Biological Psychology Overview

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Questions and Answers

What is the concept that views the mind and body as separate substances?

  • Physicalism
  • Dualism (correct)
  • Dual-aspect theory
  • Reductionism

Which theory suggests that all areas of the brain are capable of performing similar tasks?

  • Equipotentiality (correct)
  • Grandmother cell theory
  • Functional specialisation
  • Phrenology

Which lobe of the cerebral cortex is primarily responsible for processing visual information?

  • Frontal lobe
  • Temporal lobe
  • Occipital lobe (correct)
  • Parietal lobe

Which part of the brain connects the two cerebral hemispheres?

<p>Corpus callosum (A)</p> Signup and view all the answers

Which of the following best describes the 'grandmother cell theory'?

<p>Some neurons respond to specific stimuli by representing complex concepts. (A)</p> Signup and view all the answers

What defines Brodmann areas in the cerebral cortex?

<p>Layered composition of cells in specific regions. (D)</p> Signup and view all the answers

Which term refers to the region of the brain that processes sensory information related to touch?

<p>Parietal lobe (B)</p> Signup and view all the answers

Which theory states that psychological traits are not scientifically grounded?

<p>Phrenology (D)</p> Signup and view all the answers

What is primarily contained within gray matter in the brain?

<p>Neuronal cell bodies (B)</p> Signup and view all the answers

Which of the following best describes reductionism in psychological contexts?

<p>Reducing complex phenomena to biological explanations. (A)</p> Signup and view all the answers

Flashcards

Biological Psychology

The study of how the brain influences behavior, including the contributions of genes, hormones, and drugs.

Dualism

The concept that the mind and body are separate substances.

Phrenology

An outdated theory claiming that psychological traits are linked to the size and shape of the skull.

Functional Specialization

Different parts of the brain have specific roles in controlling various functions.

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Equipotentiality

The idea that all brain areas are capable of performing a function.

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Gray Matter

Part of the brain containing neuronal cell bodies.

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White Matter

Part of the brain containing axons and myelin.

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Corpus Callosum

A large band of white matter connecting the two brain hemispheres.

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Cerebral Cortex

Outer layer of the brain, responsible for higher-level functions.

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Brain Development

Describes how the human brain grows, especially in childhood and early adulthood, contrasting with other species.

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Study Notes

Biological Psychology

  • Examines how the brain influences behaviour.
  • Considers the role of genes in behaviour.
  • Explores the impact of hormones and drugs on behaviour.

Historical Foundations

  • Ancient debate on the physical basis of thoughts (heart vs. brain).
  • Early theories on the relationship between body and mind:
    • Dualism: Mind and body are distinct substances.
    • Dual-aspect theory: Mind and body are two ways of describing the same phenomenon.
    • Reductionism: Mind can be explained in terms of physical processes.
  • Phrenology: Proposed that specific brain areas corresponded to personality traits, based on skull shape.
  • Critically, phrenology lacked scientific rigor.

Functional Specialization

  • Different brain areas have specialized roles.
  • Equipotentiality: Brain areas have equivalent potential to perform tasks.
  • Grandmother cell: A single neuron may code for a complex stimulus (e.g., a specific person). Dynamic coordination rather than a fixed one-to-one relationship between locations and functions.
  • A continuous spectrum rather than fixed points of functional specialization.

Brain Structure

  • Gray matter: Contains neuronal cell bodies.
  • White matter: Composed of axons, myelin, and glial cells.
  • Corpus callosum: A large white matter tract connecting both brain hemispheres.

Anatomical Terms

  • Dorsal: Top side.
  • Ventral: Bottom side.
  • Anterior: Front side.
  • Posterior: Back side.
  • Lateral: Outer side.
  • Medial: Inner side.
  • Coronal: Frontal plane (like slicing through a crown).
  • Sagittal: Longitudinal plane (like slicing down the middle).
  • Axial: Horizontal plane (like slicing across).

Cerebral Cortex

  • Consists of two hemispheres (left and right).
  • Divided into four lobes (frontal, parietal, temporal, occipital).
  • Each lobe has distinct gyri (ridges) and sulci (grooves).
  • Brodmann areas: Regions differentiated by cellular structure.

Brain Development

  • Human brains are relatively large.
  • Significant brain development occurs after birth.
  • Brain connectivity differs from other species.
  • Humans show a capacity for advanced learning, particularly in childhood and adolescence.

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