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Neuropsychology and Cognitive Neuroscience

Core Concepts: Definitions

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Neuropsychology

Specialized branch bridging brain function and behaviour. Focuses on structure, function, and cognitive processes (memory, attention, language).
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Cognitive Neuroscience

Subfield examining how brain activity underpins cognitive processes. Combines psychology, neuroscience, and biology to explain mental functions.

Brain Regions and Functional Localization

The brain is divided into different regions, each associated with specific functions, crucial for predicting functional impairment from localized damage.

1

Frontal lobes

Involved in decision-making, planning, and motor control.
2

Parietal lobes

Process sensory information such as touch and spatial awareness.
3

Temporal lobes

Critical for memory and understanding language.
4

Occipital lobes

Responsible for visual processing.

Advanced Imaging Techniques

Visualizing brain structures and activity in real-time through non-invasive scanning technologies.

Method Technology Focus Resolution
CT X-rays Structure/Density Abnormalities (Tumours)
PET Tracer/Glucose Function/Metabolism Active Brain Areas
fMRI Blood Oxygenation Activity/Flow High Spatial Resolution

Landmark Study: Tulving's Memory Localization

Episodic vs Semantic Memory

Endel Tulving used PET scans to explore episodic memory (personal experiences). He found that the episodic memory task activated the prefrontal cortex on the right side, whereas semantic memory (general knowledge) activated it on the left. This provided crucial evidence of functional localization.

Predicting Deficits

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If a specific brain area is damaged, how accurately can we predict the resulting impairment?
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Understanding this specialization enables researchers and clinicians to predict how damage to certain brain areas might impair related cognitive functions.

Neurological Damage and Effects

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Stroke EffectsBlood supply interrupted, causing brain cells to die. Can lead to motor impairments (hemiparesis or hemiplegia) and difficulties with speech (aphasia).
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TBI EffectsInjury from external mechanical force. Can damage frontal lobes, leading to problems with planning, impulse control, and emotional regulation.

Application of Knowledge

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Rehabilitation Strategy: Understanding how brain damage influences behaviour is crucial for neuropsychologists to develop rehabilitation strategies and provide support to affected individuals.

Neuropsychology Flashcards
Term
Neuropsychology

What is neuropsychology?

Answer
Definition

A branch of psychology studying the relationship between brain function and behavior.

Term
Cognitive Neuroscience

What does cognitive neuroscience focus on?

Answer
Focus

How brain activity underpins cognitive processes like thinking and memory.

Term
Frontal Lobes

Which brain region is responsible for decision-making and motor control?

Answer
Functions

The frontal lobes.

Term
Temporal Lobes

What function is associated with the temporal lobes?

Answer
Functions

Memory and language comprehension.

Term
CT Scan

What imaging technique uses X-rays to create detailed brain images?

Answer
Technique

Computed Tomography (CT) scans.

Term
PET Scan

How do PET scans measure brain activity?

Answer
Method

By detecting glucose metabolism with a radioactive tracer.

Term
fMRI

What does fMRI scan detect to show brain activity?

Answer
Detection

Blood oxygenation levels.

Term
Tulving’s Memory Study

What did Tulving’s memory study reveal about episodic and semantic memory?

Answer
Finding

Different brain regions (right and left prefrontal cortex) support episodic and semantic memory, respectively.

Term
Hemiparesis

What is a common motor deficit caused by stroke?

Answer
Definition

Hemiparesis (weakness on one side of the body).

Term
Traumatic Brain Injury

How can traumatic brain injury affect behavior?

Answer
Effect

By damaging frontal lobes, causing problems with planning and impulse control.

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🧠 Neuropsychology Quiz

1. What does neuropsychology primarily study?

Neuropsychology bridges brain function and behavior, studying how brain areas influence mental processes.

2. Which brain lobe is mainly involved in sensory processing and spatial awareness?

The parietal lobes process sensory input and help with spatial orientation.

3. PET scans are used to:

PET scans use radioactive tracers to see how brain cells metabolize glucose during activity.

4. Tulving’s study showed that episodic memory activates which brain region?

Episodic memory was linked to right prefrontal cortex activity, distinct from semantic memory.

5. Which of the following is a common consequence of stroke affecting motor areas?

Stroke often causes hemiparesis, or weakness on one side, due to motor area damage.

📊 Results

  • Notes and Quiz
  • Psychology
  • GCSE
  • Neuropsychology and Brain
  • AQA