Functional recovery after trauma | AQA A-Level Psychology Revision
- Revision Notes
- Aug 3
- 20 min read
Updated: Aug 23
For 7182 specification, first teach in September 2025
AQA A-Level Psychology | Free Revision Notes
Estimated study time: 45 minutes
These Functional recovery after trauma A-Level Psychology revision notes explain how abilities may improve following damage to the brain. You will examine the relationship between recovery and the brain’s capacity to change, consider how behavioural and biological evidence can be used to investigate improvement, and evaluate explanations carefully. The AQA specification requires students to understand plasticity and functional recovery after brain trauma, while the course plan emphasises explaining recovery, linking it to plasticity and evaluating its explanation.
Learning Objectives 🎯
By the end of this revision page, you should be able to:
Define functional recovery after brain trauma.
Explain how brain trauma may disrupt a psychological or physical function.
Explain the relationship between functional recovery and brain plasticity.
Distinguish improvement in performance from proof that the original brain system has been restored.
Apply functional recovery to unfamiliar situations involving brain damage.
Evaluate explanations and evidence relating to recovery.
Revision Notes 📚
Functional recovery after trauma A-Level Psychology revision overview
Functional recovery after trauma refers to the return or improvement of abilities that were disrupted by damage to the brain.
The affected ability might involve:
Movement.
Bodily sensation.
Vision.
Hearing.
Language.
Memory.
Other forms of psychological processing.
Recovery may be:
Gradual rather than immediate.
Partial rather than complete.
Different for different functions.
Different between individuals.
Supported by changes in how the brain is organised or used.
The broad sequence is:
Brain trauma → disruption of function → brain adapts over time → performance improves
Functional recovery is closely connected with brain plasticity because recovery depends on the brain having some capacity to change following damage.
Specification boundary
The AQA specification names plasticity and functional recovery of the brain after trauma as required content. However, it does not list particular named mechanisms, individual research studies or a prescribed set of factors affecting recovery.
The provided source material does not contain enough information to complete a detailed account of named recovery mechanisms accurately.
These notes therefore focus on the specification-supported relationship between brain trauma, plasticity, functional improvement and the evaluation of evidence.
What is brain trauma?
Brain trauma refers to damage or injury affecting the brain.
The consequences depend on factors such as:
Which area has been affected.
Which function that area normally supports.
How extensive the damage is.
Whether other connected areas are also affected.
For example, damage to an area involved in voluntary movement may produce movement difficulties. Damage to a language area may affect speech production or comprehension.
The initial effect of trauma can therefore be understood using specialised brain centres and their functions.
Trauma and localisation of function
Localisation of function proposes that particular areas of the brain make specialised contributions.
Area affected | Function that may be disrupted |
Motor centre | Voluntary movement |
Somatosensory centre | Processing bodily sensations |
Visual centre | Visual processing |
Auditory centre | Auditory processing |
Broca’s area | Speech production |
Wernicke’s area | Language comprehension |
Damage to one of these areas may produce a predictable difficulty.
However, the later course of recovery may show that brain organisation is not entirely fixed.
The person may:
Regain some ability.
Improve through repeated practice.
Use an alternative strategy.
Show changes in the activity of undamaged brain areas.
Functional recovery therefore links localisation with plasticity.
What does functional recovery involve?
Functional recovery is identified through an improvement in what the person can do.
For example, following trauma, a person might gradually improve in their ability to:
Move an affected limb.
Produce words.
Understand speech.
Recognise visual information.
Complete a memory task.
Coordinate a sequence of actions.
The term functional is important. It refers to the person’s ability to perform a function.
It does not automatically mean that:
Damaged tissue has returned to its original condition.
The exact original neural pathway is being used.
Recovery is complete.
The person performs the task in precisely the same way as before.
Improvement does not necessarily mean complete restoration
A person might improve without the brain returning to its original organisation.
There are at least two broad possibilities:
The original ability becomes stronger again
The systems that previously supported the function may regain some effectiveness.
The person develops another way of completing the task
Different brain areas, pathways or behavioural strategies may make a greater contribution.
Both outcomes may appear as functional improvement.
Researchers therefore need more than a performance score if they want to explain how
recovery occurred.
Functional recovery and brain plasticity
Brain plasticity is the brain’s capacity to change and adapt following experience or damage.
Functional recovery is one possible outcome of this capacity.
The relationship can be expressed as:
Trauma disrupts existing brain organisation → plasticity allows adaptation → altered organisation supports improved functioning
Plasticity may involve a change in:
Which areas contribute to an ability.
How strongly an area contributes.
How neural pathways are used.
How several areas work together.
How effectively a person performs a task.
The broad principles of structural and functional change are covered in experience-dependent change and adaptation.
Plasticity is the capacity, recovery is the outcome
Brain plasticity and functional recovery are related but not identical.
Brain plasticity | Functional recovery |
The brain’s capacity to change | Improvement in an ability after damage |
May occur through learning, experience or trauma | Specifically concerns functioning following trauma |
Describes adaptation within the brain | Describes the behavioural result of adaptation |
May be adaptive or unhelpful | Usually refers to regained or improved functioning |
A useful distinction is:
Plasticity makes recovery possible, while functional recovery is the improvement that may result.
Recovery as neural reorganisation
Neural reorganisation is a broad description of changes in how the brain’s remaining systems contribute to behaviour.
Following trauma:
An established system may no longer support the function effectively.
Undamaged areas continue to receive and process information.
Repeated use of the affected ability creates demands on the remaining system.
The contribution of brain areas or pathways may change.
Performance may gradually improve.
This explanation does not mean that every part of the brain can perform every function equally.
The brain remains biologically organised and recovery may be limited by the location and severity of the trauma.
The importance of repeated experience
Recovery frequently involves repeated attempts to use or practise an affected ability.
Repeated activity may provide the experience needed for plastic change.
For example, a person recovering movement might repeatedly practise:
Reaching.
Grasping.
Coordinating the hand.
Completing everyday actions.
A person recovering language might repeatedly practise:
Producing sounds.
Naming objects.
Understanding instructions.
Forming sentences.
The general principle is:
Repeated experience → repeated activation of relevant systems → opportunity for plastic adaptation
Improvement still cannot be guaranteed, and the amount of change may vary.
Recovery following damage to a localised area
Imagine that a person has damage in an area associated with movement.
Initially, they may have difficulty controlling part of the body.
Over time, their movement may improve.
A plasticity explanation would suggest that the organisation or use of the remaining brain systems has changed.
Evidence supporting this explanation might include:
Improved movement scores.
Greater independence in daily tasks.
Changes in brain activity during movement.
Increased contribution from undamaged regions.
Consistent improvement across repeated assessments.
Behavioural improvement alone demonstrates recovery, but biological measurements are needed to investigate the neural changes associated with it.
Recovery and hemispheric lateralisation
Some functions are more strongly associated with one hemisphere.
For example, language is usually more strongly lateralised to the left hemisphere.
If a lateralised system is damaged, recovery may involve changes in:
The contribution of remaining areas within the affected hemisphere.
The contribution of areas in the opposite hemisphere.
Communication across wider brain networks.
The strategies used to perform the function.
This suggests that lateralisation describes the brain’s typical organisation, not an arrangement that can never change.
Review the normal relationship between the hemispheres through language lateralisation and split-brain evidence.
Recovery does not disprove localisation
Functional recovery may appear to challenge localisation because an ability can improve after its usual area has been damaged.
However, the two ideas can be combined.
Localisation explains the initial impairment
Damage to a specialised area disrupts the function it normally supports.
Plasticity explains later improvement
The brain changes how remaining systems contribute to the function.
The most accurate conclusion is therefore:
The brain contains specialised areas, but its organisation can adapt following trauma.
Recovery may be partial
Functional recovery should not be described as an all-or-nothing process.
A person may:
Recover one part of an ability but not another.
Improve without returning to their earlier level.
Perform accurately but more slowly.
Complete simple tasks but struggle with complex ones.
Improve in controlled testing but experience difficulties in everyday life.
Develop an effective alternative strategy.
Researchers should therefore measure recovery in several ways.
Measuring functional recovery
Functional recovery can be investigated using behavioural measures.
These might assess:
Accuracy.
Speed.
Number of successful movements.
Number of correctly produced words.
Understanding of instructions.
Independence in everyday tasks.
Performance across repeated assessments.
A single score may provide limited information.
A fuller assessment might combine:
Standardised tasks.
Observations.
Self-reports.
Reports from other people.
Biological measurements.
Repeated testing over time.
Behavioural evidence
Behavioural evidence records what a person can do.
For example, a researcher might measure how many objects a person can name correctly after language-related trauma.
The same test could be completed at several points:
Time after trauma | Objects named correctly out of 30 |
Initial assessment | 8 |
Later assessment | 16 |
Final assessment | 23 |
The increase suggests functional recovery because performance improved.
However, the results do not show:
Which brain areas produced the improvement.
Whether the original system was restored.
Whether a different strategy was used.
Whether practice on the test affected performance.
Behavioural and biological evidence should therefore be considered together.
Evidence from functional magnetic resonance imaging
Functional magnetic resonance imaging, abbreviated to fMRI, detects changes in blood oxygenation associated with activity in the living brain.
Researchers may compare brain activity:
Soon after trauma.
During later stages of recovery.
While the person performs the affected task.
With activity in people without the injury.
If performance improves and patterns of activity also change, the evidence may support an explanation based on plasticity.
The strengths and limitations of the method are covered in blood oxygenation and functional brain maps.
Interpreting changes in fMRI activity
A change in brain activity does not explain itself.
Increased activity in an undamaged area might indicate that:
The area is contributing more strongly to the task.
The task requires greater effort.
The person is using a different strategy.
Several areas are compensating for the damaged system.
General attention or movement demands have changed.
Researchers therefore need:
A suitable comparison condition.
Repeated measurements.
Behavioural performance data.
Careful control of task difficulty.
Cautious conclusions.
A scan can support a recovery explanation, but it does not directly reveal the person’s thoughts or prove that one area caused the improvement.
Evidence from EEGs and ERPs
An electroencephalogram, or EEG, records electrical activity in the brain.
An event-related potential, or ERP, is an averaged electrical response linked to a particular event.
These methods may help researchers investigate whether the timing of brain responses changes during recovery.
For example, an ERP study might examine whether:
A response becomes faster after repeated practice.
Electrical responses differ across stages of recovery.
Previously weak responses become more consistent.
Processing follows a different sequence after trauma.
EEGs and ERPs provide strong temporal information but relatively limited information about the precise source of activity.
Review these methods through electrical brain activity and event-related responses.
Evidence from post-mortem examinations
A post-mortem examination investigates the physical structure of the brain after death.
It may identify:
The location of earlier damage.
The extent of structural injury.
Areas that remained intact.
Structural features relevant to the person’s difficulties.
However, a post-mortem examination cannot show:
Brain activity during recovery.
When reorganisation occurred.
How activity changed across time.
Which areas contributed to successful performance.
The method can provide detailed structural evidence but is less useful for following functional recovery as it happens.
Its methodological strengths and limitations are explored in structural examination of the brain after death.
Comparing evidence about recovery
Method | Information produced | Contribution to studying recovery | Main limitation |
Behavioural assessment | Performance on a task | Shows whether functioning improves | Does not identify the neural cause |
fMRI | Changes in blood oxygenation | Shows where activity is associated with the task | Indirect measure of neural activity |
EEG | Continuous electrical activity | Shows when general electrical activity changes | Poor spatial resolution |
ERP | Event-specific electrical activity | Shows timing of responses to particular stimuli | Requires repeated trials |
Post-mortem examination | Physical brain structure | Shows location and extent of damage | Cannot examine live recovery |
The most convincing explanation may come from converging evidence, where different methods support the same conclusion.
Converging evidence
Suppose a person shows:
Improved language performance.
Changes in activity during a language task.
More efficient electrical responses.
Consistent improvement across several assessments.
Together, these findings provide stronger support for functional recovery than one measure alone.
Each method addresses a different question:
Behavioural data show whether performance improved.
fMRI may indicate where activity changed.
EEGs and ERPs may indicate when processing changed.
Structural evidence may clarify what was damaged.
Agreement between these sources strengthens the plasticity explanation.
Cause and effect
Functional recovery is often studied after naturally occurring brain trauma.
Researchers cannot ethically assign participants to receive brain damage.
This makes strict experimental control difficult.
Even when improvement follows a programme of practice, other factors may have contributed:
Time since the injury.
General health changes.
Medication.
Previous experience.
Support from other people.
Repeated exposure to the assessment.
Natural variation in performance.
Researchers should therefore be cautious before claiming that one particular experience caused the recovery.
Improvement across time
A longitudinal investigation studies recovery across several points in time.
This has important advantages:
The person can be compared with their earlier performance.
Researchers can identify when improvement occurs.
Biological and behavioural changes can be tracked together.
The direction of change becomes clearer.
However, changes occurring across time may still have several causes.
A relationship between time and improvement does not, by itself, establish the mechanism responsible.
The role of a baseline
A baseline is an initial measurement taken before later changes are assessed.
Without a baseline, researchers may not know:
How impaired the person was initially.
Whether performance has improved.
How quickly the change occurred.
Whether different abilities recovered at different rates.
Ideally, researchers would compare:
Initial performance after trauma.
Performance during recovery.
Later performance.
Biological measurements collected at similar stages.
A clear baseline strengthens claims that functional improvement has occurred.
The role of comparison groups
A comparison group may help researchers distinguish recovery-related changes from changes that would have occurred anyway.
Possible comparisons include:
People with similar trauma receiving different forms of practice.
People with trauma affecting different areas.
People without brain trauma completing the same task.
The same participants at different stages.
However, people with brain trauma may differ in:
Injury location.
Injury severity.
Age.
health.
Previous abilities.
Time since trauma.
Perfectly matching participants is therefore difficult.
Individual differences in recovery
Functional recovery varies considerably between individuals.
Two people with apparently similar injuries may show different outcomes.
This means researchers should avoid assuming that:
One case represents everyone.
One recovery timetable applies to every person.
The same brain areas reorganise in every individual.
Improvement in one task represents recovery in all settings.
Individual evidence can be valuable, particularly when injuries are unusual, but findings should be generalised cautiously.
Case-study evidence
A case study may provide a detailed account of one person’s recovery.
It can include:
Medical information.
Behavioural assessments.
Brain scans.
Interviews.
Observations.
Changes across time.
This depth may reveal processes that would be missed in a large group study.
However:
The person’s injury may be unusual.
Their recovery may not generalise.
Researchers may find it difficult to replicate the case.
Several variables may change at the same time.
Researcher interpretation may influence the conclusions.
Strength: functional recovery is consistent with plasticity
One strength of explanations based on plasticity is that they connect behavioural improvement with the brain’s capacity to change.
The explanation is logically consistent:
Trauma disrupts an established brain system.
The brain is capable of adaptation.
Remaining systems change their contribution.
Performance improves.
This provides a biological explanation for why some abilities may return after damage.
It also links functional recovery with broader evidence that experience can alter the brain.
Strength: objective biological evidence
Brain-study methods can produce objective measurements.
Researchers may record:
Changes in blood oxygenation.
Changes in electrical activity.
Structural damage.
Differences between brain areas.
Changes across time.
This strengthens recovery explanations because they are not based solely on a person reporting that they feel better.
However, objectivity of measurement does not guarantee that the interpretation is correct.
Researchers must still infer how the biological change relates to the psychological function.
Strength: practical value
Understanding functional recovery may have practical value.
It suggests that improvement following trauma may be possible and that continued use of an affected ability could support adaptation.
Knowledge about recovery can help researchers and professionals:
Assess changes over time.
Identify abilities that are improving.
Design activities targeting an affected function.
Monitor whether practice is associated with progress.
Adjust support according to the individual’s performance.
The practical value of an explanation increases when it leads to measurable improvements.
Limitation: recovery does not reveal the mechanism
Observing that a person has improved does not show how the improvement occurred.
Several explanations may fit the same behavioural outcome:
The original system became more effective.
Another brain area increased its contribution.
The person learned a new strategy.
General practice improved performance.
The test became more familiar.
Several processes operated together.
Researchers need biological and behavioural evidence before selecting between these explanations.
Limitation: biological measurements are indirect
Some methods used to study recovery do not measure neural activity directly.
For example, fMRI detects changes in blood oxygenation associated with activity.
Researchers then infer:
That neural activity changed.
That the change was connected with recovery.
That the identified area contributed to the improved ability.
Each stage involves interpretation.
A clear image of brain activity may therefore appear more conclusive than the evidence truly is.
Limitation: difficulty establishing causation
Trauma and recovery cannot usually be manipulated in a fully controlled experiment.
As a result, researchers may identify associations such as:
More practice is associated with greater improvement.
Changes in brain activity are associated with better performance.
Younger or healthier participants show different recovery patterns.
One type of injury is associated with a particular outcome.
These relationships do not automatically establish cause and effect.
Alternative explanations and uncontrolled variables must be considered.
Limitation: measurement of recovery
Recovery can be difficult to operationalise.
Researchers might measure:
Accuracy.
Speed.
Independence.
Self-reported improvement.
Performance on a standardised task.
Activity in a brain area.
Each measure captures a different aspect of functioning.
For example, a person may perform well on a simple laboratory task but still struggle with complex everyday situations.
Researchers should avoid treating improvement on one measure as proof of complete recovery.
Limitation: ecological validity
Some recovery assessments may use highly controlled tasks.
A person might be asked to:
Name isolated pictures.
Move an object a short distance.
Press a button after seeing a stimulus.
Remember a small set of items.
These tasks allow accurate measurement, but they may not represent the complexity of everyday functioning.
A person who performs well in a controlled task may still find it difficult to:
Hold a natural conversation.
Move safely through a busy environment.
Manage several demands at once.
Complete an unfamiliar real-world activity.
Assessment should therefore consider both controlled and everyday performance.
Limitation: generalisation from unusual samples
People with brain trauma form a diverse group.
A study may include only a small number of participants because:
The specific injury is rare.
The participants must meet strict criteria.
Repeated scanning is expensive.
Recovery must be followed over a long period.
Small and specialised samples limit generalisation.
The findings may apply to the participants studied without applying to all people with brain trauma.
Limitation: recovery may not always be beneficial or complete
Plastic change does not guarantee a complete or useful outcome.
A person may:
Recover only part of the ability.
Develop a slower strategy.
Improve in one area but not another.
Experience continuing difficulties.
Find that improvement reaches a limit.
Explanations should therefore describe recovery as possible rather than inevitable.
Claims that the brain can always rewire itself completely are scientifically inaccurate.
Ethical and practical limits on research
Researchers cannot deliberately cause brain trauma.
They must investigate injuries that have already occurred.
This protects participants but reduces experimental control.
Research must also consider:
Informed consent.
The person’s ability to understand the study.
Fatigue.
Emotional distress.
Confidentiality.
Physical demands of testing.
The effect of repeated assessments.
A methodologically ideal investigation may not be appropriate for a participant recovering from a serious injury.
Applying functional recovery to a scenario
Consider the following scenario:
Following damage to an area involved in movement, Aisha initially had little control over her right hand. After several months of repeated movement practice, she could pick up small objects. Brain scans showed increased activity in undamaged areas while she completed the movement.
This may be explained through functional recovery because:
The original trauma disrupted voluntary movement.
Her ability improved across time.
The improvement followed repeated experience.
Changes in activity suggest that brain organisation may have adapted.
Undamaged areas may have increased their contribution to the movement.
However, the scans do not prove that the increased activity caused the improvement.
Researchers would also need to consider:
Changes occurring naturally over time.
Other treatment or practice.
Whether Aisha used a new strategy.
Whether the improvement generalises to everyday movement.
Applying recovery to language
Consider another situation:
After damage affecting speech production, Leon initially communicated using single words. One year later, he could produce short sentences, although his speech remained slow.
This demonstrates partial functional recovery because:
Speech production improved.
Leon moved from single words to sentences.
His performance did not return completely to its earlier level.
The remaining difficulty shows that recovery can be incomplete.
A plasticity explanation would propose that the contribution or organisation of remaining brain systems changed.
To investigate this, researchers could combine:
Language assessments.
Observations of conversation.
Brain scans.
Electrical recordings.
Repeated measurements.
A method for answering application questions
Use the following steps.
1. Identify the trauma
State which brain area or function was affected.
2. Identify the initial impairment
Use the exact difficulty described in the scenario.
3. Identify the later improvement
Explain how performance changed.
4. Link improvement with plasticity
State that the brain’s organisation or use of remaining systems may have adapted.
5. Apply biological evidence
Use any scan, electrical recording or structural information given.
6. Evaluate cautiously
Consider whether the evidence proves the mechanism or only shows an association.
A method for evaluating an explanation of recovery
Ask six questions:
Has functional improvement been measured clearly?
Was there an initial baseline?
Were participants followed across time?
Is there biological evidence of neural change?
Could another variable explain the improvement?
Can the findings be generalised beyond the person or sample?
This structure helps move evaluation beyond simply stating that a study used a brain scan.
Writing an effective explanation
A strong explanation might state:
Functional recovery is the return or improvement of an ability following brain trauma. It is linked to brain plasticity because the brain can change how remaining areas and pathways contribute to behaviour. Damage to a localised area may initially disrupt its usual function, but neural organisation may alter through continued experience, allowing performance to improve. Recovery may be partial and does not necessarily mean that the original brain tissue or pathway has been restored.
This answer:
Defines functional recovery.
Links it directly to plasticity.
Applies localisation.
Explains adaptation.
Avoids claiming that recovery is always complete.
Writing an effective evaluation paragraph
A developed paragraph might state:
One strength of plasticity explanations is that they can be supported by both behavioural and biological evidence. A person may show improved performance while fMRI also identifies changes in brain activity during the task. This supports the view that recovery is associated with altered brain functioning. However, fMRI measures changes in blood oxygenation rather than neural activity directly, and increased activity may reflect effort or a new strategy rather than the cause of recovery. The findings therefore support an association but do not establish the precise mechanism.
Overall evaluation
Functional recovery after trauma is best understood as a possible outcome of brain plasticity.
The explanation is supported when:
Performance improves across time.
The change is measured using appropriate tasks.
Biological activity changes alongside behaviour.
Findings are consistent across methods.
Alternative explanations are reduced.
However, conclusions must remain cautious because:
Recovery varies between people.
Improvement may be partial.
Behavioural change does not reveal the mechanism.
Brain measurements require interpretation.
Naturally occurring trauma limits experimental control.
Practice, time and other influences may be confounded.
Laboratory improvement may not represent everyday functioning.
The strongest conclusion is that the brain can adapt following trauma, but the extent, form and cause of functional recovery must be investigated rather than assumed.
Key Words 🔑
Key word | Student-friendly definition | How it may be used in an exam |
Functional recovery | The return or improvement of an ability following brain trauma. | Define the topic or identify improvement in an applied scenario. |
Brain trauma | Damage or injury affecting the brain and its functions. | Explain the cause of an initial impairment. |
Brain plasticity | The brain’s ability to change and adapt following experience or damage. | Explain how functional recovery may occur. |
Neural reorganisation | A broad change in how brain areas or pathways contribute to a function. | Link plasticity with improvement after trauma. |
Localisation of function | The principle that particular brain areas perform particular functions. | Explain why damage produces a specific initial impairment. |
Hemispheric lateralisation | The principle that some functions are more strongly associated with one hemisphere. | Explain possible changes following damage to a lateralised function. |
Partial recovery | Improvement that does not completely restore the earlier level of functioning. | Describe a person who improves but retains difficulties. |
Behavioural evidence | Measurements of what a person can do. | Identify whether functional performance has improved. |
Baseline | An initial measurement used to assess later change. | Explain how recovery can be measured across time. |
Longitudinal investigation | Research following the same person or group across time. | Evaluate evidence tracking recovery. |
fMRI | A method detecting changes in blood oxygenation associated with brain activity. | Investigate where activity changes during recovery. |
EEG | A continuous recording of electrical brain activity. | Investigate changes in the timing of general activity. |
ERP | An averaged electrical response associated with a particular event. | Investigate event-specific processing during recovery. |
Post-mortem examination | An examination of the physical brain after death. | Identify structural damage but not live recovery. |
Converging evidence | Evidence from different methods supporting a similar conclusion. | Strengthen an explanation of functional recovery. |
Cause and effect | A relationship in which one factor directly produces a change in another. | Evaluate whether practice or brain activity caused improvement. |
Validity | The extent to which evidence measures or supports what it claims to measure. | Evaluate recovery tasks and interpretations. |
Reliability | The consistency of a measurement or finding. | Evaluate repeated assessments of improvement. |
Generalisability | The extent to which findings apply beyond the person or sample studied. | Evaluate evidence from small or unusual trauma samples. |
Common Mistakes ⚠️
Mistake: Describing functional recovery and brain plasticity as identical.
Why this is incorrect:Plasticity is the brain’s capacity to change, whereas functional recovery is an improvement in an ability following trauma.
How to improve:Explain that plasticity provides a possible basis for recovery.
Mistake: Saying that recovery means damaged brain tissue has returned to its original condition.
Why this is incorrect:Performance may improve because remaining brain systems change their contribution or the person develops another strategy.
How to improve:Separate functional improvement from complete biological restoration.
Mistake: Claiming that recovery is guaranteed after brain trauma.
Why this is incorrect:Recovery may be partial, limited or absent, and its extent varies between individuals.
How to improve:Describe functional recovery as a possibility rather than an inevitable outcome.
Mistake: Saying that recovery disproves localisation of function.
Why this is incorrect:Localisation can explain the initial impairment, while plasticity explains how brain organisation may later adapt.
How to improve:Describe the brain as specialised but capable of change.
Mistake: Treating improved test performance as proof of neural reorganisation.
Why this is incorrect:Improvement might result from familiarity, practice or an alternative strategy.
How to improve:Use behavioural evidence alongside biological measurements.
Mistake: Assuming increased fMRI activity proves that an area caused recovery.
Why this is incorrect:The activity may reflect greater effort, attention or a different strategy.
How to improve:Use cautious terms such as “associated with” or “may contribute to”.
Mistake: Saying that a brain scan directly records a recovered psychological function.
Why this is incorrect:Brain scans record biological information from which psychological processes are inferred.
How to improve:Distinguish the measurement from the interpretation.
Mistake: Ignoring the person’s initial level of impairment.
Why this is incorrect:Without a baseline, researchers cannot measure how much improvement has occurred.
How to improve:Compare later performance with an initial assessment.
Mistake: Generalising from one unusual case to everyone with brain trauma.
Why this is incorrect:Trauma location, severity and individual characteristics differ.
How to improve:Treat detailed cases as valuable but limited evidence.
Mistake: Listing recovery evidence without evaluating cause and effect.
Why this is incorrect:Naturally occurring trauma and changes across time make alternative explanations difficult to eliminate.
How to improve:Consider practice, test familiarity, time and other influences.
Mistake: Assuming improvement in a laboratory task represents full everyday recovery.
Why this is incorrect:Controlled tasks may be simpler than natural activities involving several demands.
How to improve:Consider ecological validity and evidence from everyday functioning.
Exam-Style Questions ✍️
Question 1
Which one of the following best defines functional recovery?
A. The permanent location of a function in one brain area
B. The return or improvement of an ability following brain trauma
C. The measurement of blood oxygenation during a task
D. The transfer of information between the cerebral hemispheres
[1 mark]
Question 2
Define functional recovery after brain trauma.
[2 marks]
Question 3
Explain the relationship between brain plasticity and functional recovery.
[4 marks]
Question 4
Following damage to a brain area involved in movement, Ravi initially struggled to control his left hand. Six months later, he could pick up and move objects, although his movements remained slow.
Explain how Ravi’s behaviour demonstrates functional recovery.
[4 marks]
Question 5
Explain why functional recovery following damage to a localised brain area does not necessarily disprove localisation of function.
[4 marks]
Question 6
A psychologist assessed a participant’s performance on a movement task at three points after brain trauma.
Assessment | Movement score out of 40 |
Initial assessment | 11 |
After three months | 23 |
After six months | 31 |
a) Calculate the increase in the movement score between the initial and final assessments.
[1 mark]
b) Describe what the data suggest about the participant’s functioning.
[2 marks]
c) Explain why these data alone do not prove that neural reorganisation caused the improvement.
[3 marks]
Question 7
A researcher uses fMRI while a person recovering from language-related trauma completes a naming task. The person’s naming accuracy improves, and activity in several undamaged brain areas increases.
Explain one conclusion the researcher might draw and one reason why the conclusion should be treated cautiously.
[4 marks]
Question 8
Explain one strength and one limitation of using brain-scanning evidence to investigate functional recovery.
[6 marks]
Question 9
A psychologist studies one person’s recovery for two years using interviews, behavioural assessments, fMRI and EEG recordings.
Evaluate this investigation as evidence for functional recovery.
[6 marks]
Question 10
Discuss functional recovery of the brain after trauma.
Refer to brain plasticity and evidence used to investigate recovery in your answer.
[8 marks]
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