Biological Psychology Fundamentals
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Biological Psychology Fundamentals

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Questions and Answers

What is biological psychology?

  • The study of the influence of biological systems on behavior (correct)
  • The study of the economy on health
  • The study of the influence of environmental factors on behavior
  • The study of human interactions
  • What does behavior encompass?

    Anything that an organism does that involves action and response to stimulation

    What does monism refer to?

  • The idea that there is only one underlying reality, either body or mind (correct)
  • The belief that the body and mind are separate
  • The study of nerve connections
  • The concept of multiple realities
  • What is dualism?

    <p>The idea that both body and mind exist</p> Signup and view all the answers

    What is a reflex?

    <p>An involuntary response to a stimulus caused by direct connection between a sensory receptor and a muscle</p> Signup and view all the answers

    What does the bell magendie law state?

    <p>The principle that the dorsal root of a spinal nerve carries sensory information to the spinal cord and the ventral root conveys commands to the muscles</p> Signup and view all the answers

    What does the doctrine of specific nerve energies propose?

    <p>The message detected by the nervous systems is determined by which nerve carries the message</p> Signup and view all the answers

    What causes a pressure phophene?

    <p>A visual sensation caused by pressure on the optic nerve</p> Signup and view all the answers

    What is phrenology?

    <p>Gall's science of the mind, which assumed that mental functions are localized in certain brain areas and that character can be determined by studying the skull</p> Signup and view all the answers

    What is the cerebrum?

    <p>The uppermost portion of the brain</p> Signup and view all the answers

    What is Broca's area responsible for?

    <p>Contributes to speech production</p> Signup and view all the answers

    What is Wernicke's area responsible for?

    <p>Contributes to understanding language and producing intelligible speech</p> Signup and view all the answers

    What is an engram?

    <p>A memory trace or the physical location of specific memories</p> Signup and view all the answers

    What does mass action entail?

    <p>The finding that the greater the brain area destroyed, the more severe the impact on learning</p> Signup and view all the answers

    What is equipotentiality?

    <p>The idea that any part of a functional area can carry out the function of that area</p> Signup and view all the answers

    What does nerve net theory propose?

    <p>The idea that the nervous system consists of a network of connected nerves</p> Signup and view all the answers

    What does neuronal theory state?

    <p>The idea that the nervous system is made up of individual nerve cells</p> Signup and view all the answers

    What is a neuron?

    <p>A nerve cell</p> Signup and view all the answers

    What is a synapse?

    <p>The point of functional contact between a neuron and its target</p> Signup and view all the answers

    What is vagusstoff?

    <p>Loewi's term for the chemical that acts to decrease the heart rate</p> Signup and view all the answers

    What does ablation refer to?

    <p>The experimental destruction of neurons or the surgical removal of a part of the brain</p> Signup and view all the answers

    What is a stereotaxic apparatus?

    <p>A surgical instrument that allows a neuroscientist to create a lesion in a specific region of the brain</p> Signup and view all the answers

    What is CAT?

    <p>A technique that produces a static image of the brain by shooting a narrow beam of x rays from all angles to produce a cross-sectional image</p> Signup and view all the answers

    What is MRI?

    <p>A technique that produces a static image of the brain by passing a strong magnetic field through the brain, followed by a radio wave, then measuring the radiation emitted from hydrogen atoms</p> Signup and view all the answers

    What is a macroelectrode?

    <p>An electrode designed to record from many neurons at one</p> Signup and view all the answers

    What is an EEG?

    <p>A graphical record of the electrical activity of the cerebral cortex</p> Signup and view all the answers

    What is an evoked potential?

    <p>A neural response to sensory stimulation introduced by an experimenter</p> Signup and view all the answers

    What is a microelectrode?

    <p>An electrode designed to record the activity of one or a few neurons</p> Signup and view all the answers

    What does PET stand for?

    <p>Positron Emission Tomography</p> Signup and view all the answers

    What is cognitive neuroscience?

    <p>The study of the relationship between the nervous system and mental processes</p> Signup and view all the answers

    What does fMRI measure?

    <p>Cerebral blood flow in the brain to obtain images of neural activity</p> Signup and view all the answers

    What is autoradiography?

    <p>The injection of radioactive chemicals into the bloodstream and subsequent analysis of neural tissue to determine where a specific chemical is found in the nervous system</p> Signup and view all the answers

    Study Notes

    Biological Psychology Fundamentals

    • Biological psychology examines how biological systems influence behavior.
    • Behavior encompasses any action or response from an organism due to stimuli.

    Theories of Mind and Body

    • Monism proposes a single underlying reality, viewing body and mind as one.
    • Dualism believes in the existence of both body and mind as separate entities.

    Reflexes and Neural Pathways

    • Reflexes are involuntary responses triggered directly by stimuli through a sensory receptor to muscle connection.
    • The Bell-Magendie Law describes how spinal nerves carry sensory information via the dorsal root and motor commands via the ventral root.

    Nervous System Functionality

    • The Doctrine of Specific Nerve Energies states that sensory messages are determined by the specific nerves transmitting them.
    • Pressure phosphenes occur when pressure is applied to the optic nerve, causing visual sensations.

    Historical Perspectives on Brain Function

    • Phrenology, developed by Gall, suggested mental functions are localized in the brain; head bumps indicated moral and intellectual characteristics.
    • The cerebrum is the uppermost section of the brain, integral to higher brain functions.

    Language and Brain Areas

    • Broca's Area, located in the frontal lobe, is crucial for speech production.
    • Wernicke's Area, found in the temporal lobe, is essential for understanding language and generating coherent speech.

    Memory and Learning Processes

    • Engrams represent physical locations of specific memories in the brain.
    • Mass Action indicates that damage to larger brain areas leads to more significant impairments in learning.

    Concepts of Brain Plasticity

    • Equipotentiality posits that any part of a functional area could serve its function, highlighting brain adaptability.
    • Ablation techniques involve removing brain parts or destroying neurons to study their functions.

    Research Tools and Techniques

    • Stereotaxic apparatus allows precise lesions in targeted brain regions for experimental studies.
    • Imaging techniques like CAT and MRI generate static brain images using x-rays and magnetic fields respectively.
    • EEG records electrical activity across the cerebral cortex, while PET measures metabolic activity to assess neural function.

    Electrode Types and Recording Techniques

    • Macroelectrodes capture signals from numerous neurons collectively.
    • Microelectrodes focus on the activity of individual or small groups of neurons.

    Advanced Imaging and Analysis

    • fMRI assesses cerebral blood flow related to neural activity, providing insights into brain function during tasks.
    • Autoradiography uses radioactive chemicals to trace locations of specific substances in neural tissues.
    • Microdialysis is a technique for measuring specific chemicals in the brain by monitoring freely diffusing substances.

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    Description

    This quiz explores the core concepts of biological psychology, including how biological systems influence behavior and the relationship between the mind and body. It also delves into reflexes, neural pathways, and the evolution of ideas about brain function. Test your knowledge of these foundational principles in biological psychology.

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