Biological Psychology Overview
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Questions and Answers

What does biological psychology primarily aim to discover?

  • The development of psychological disorders
  • How biological fundamentals produce psychological phenomena (correct)
  • The classification of animal species
  • The history of psychological theories

Which technique is NOT used in biological psychology?

  • Neuroimaging techniques
  • Post mortem dissection
  • Behavioral therapy (correct)
  • CAT scan

What is phrenology associated with?

  • The study of personality through skull bumps (correct)
  • The measurement of brain waves
  • Neuroimaging and brain activity
  • Neuroscience research in brain injuries

What does EEG measure in biological psychology?

<p>Brain function (A)</p> Signup and view all the answers

Which condition is characterized by the inability to respond but awareness of self and environment?

<p>Locked-in syndrome (D)</p> Signup and view all the answers

What does FMRI help detect in patients with a vegetative state?

<p>Signs of cognitive function and awareness (A)</p> Signup and view all the answers

Which of the following offers a way for locked-in syndrome patients to communicate?

<p>Eye movements (A)</p> Signup and view all the answers

What is a misconception about behavioral assessments in vegetative patients?

<p>They reliably indicate consciousness (A)</p> Signup and view all the answers

Flashcards

Biological Psychology

A field of study that explores the biological bases of psychological phenomena, like learning, memory, and emotion.

Phrenology

An outdated idea that personality traits are linked to bumps on the skull.

Neuroimaging Techniques

Methods used to visualize and measure brain structure and function.

CT Scan

A neuroimaging technique that creates detailed images of brain structure using X-rays.

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Vegetative State

A state of severely reduced awareness where patients are awake but unaware of themselves or their environment; they can demonstrate sleep-wake cycles and basic reflexes, but cannot respond to commands.

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Locked-in Syndrome

A neurological disorder characterized by awareness but an inability to communicate due to paralysis.

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EEG

Electroencephalography; a technique that measures electrical activity in the brain.

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FMRI

Functional Magnetic Resonance Imaging; a technique used to measure brain activity.

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Study Notes

Biological Psychology

  • Aims to understand how biological processes create psychological phenomena (learning, memory, emotions, perception)

History of Biological Psychology

  • Phrenology (19th Century): Gall proposed personality and abilities are revealed by skull bumps.

Techniques

  • Observational studies: Behaviour after head injuries
  • Animal brain dissection
  • Post-mortem human brain dissection
  • Microscopic nerve cell examination
  • Neuroimaging

Neuroimaging Techniques

Brain Structure

  • CT scan (Computed Tomography): Computerized scan of brain structure
  • MRI scan (Magnetic Resonance Imaging): Detailed images of brain structure using magnetic fields

Brain Function

  • EEG (Electroencephalography): Measures electrical activity in brain
  • PET scan (Positron Emission Tomography): Shows brain activity by detecting radioactive substances
  • fMRI (Functional Magnetic Resonance Imaging): Measures changes in blood flow in the brain related to activity
  • MEG (Magnetoencephalography): Measures magnetic fields generated by brain activity
  • TMS (Transcranial Magnetic Stimulation): Uses magnetic pulses to stimulate or disable brain areas

Disorders of Consciousness

  • Coma: No wakefulness or awareness; no response to commands
  • Vegetative State: Awake but unaware; sleep-wake cycles and reflexes present, no response to commands
  • Locked-In Syndrome: Aware and awake but unable to respond due to paralysis and speech impairment; communication via eye movements

EEG and Vegetative Patients

  • EEG can investigate brain activity in vegetative patients
  • Healthy brains show complex, connected networks.
  • Some vegetative patients show preserved networks similar to healthy adults.

Conclusions about the Vegetative State

  • Behavioural assessments may underestimate awareness in patients with severe motor impairments.
  • fMRI can detect residual cognitive function and awareness, even in locked-in syndrome cases.
  • fMRI and other brain activity measures allow individuals in vegetative states potential communication.

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Description

Explore the fascinating field of Biological Psychology, which examines how biological processes underlie psychological phenomena such as learning, memory, and emotions. Delve into historical perspectives, influential techniques, and modern neuroimaging methods that reveal the complexities of the brain.

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