The Human Genome Project
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Questions and Answers

Which type of neuron carries sensory information from sensory receptors to the central nervous system?

  • Interneurons
  • Sensory neurons (correct)
  • Axons
  • Motor neurons
  • What is the name for the space between neurons through which they communicate?

  • Dendrite
  • Axon
  • Terminal button
  • Synapse (correct)
  • What is the name for the voltage at which a neuron is not firing?

  • Depolarisation
  • Hyperpolarisation
  • Resting potential (correct)
  • Graded potential
  • Which part of the nervous system controls basic life processes such as the beating of the heart and breathing?

    <p>Autonomic nervous system</p> Signup and view all the answers

    What are the major structures of the central nervous system?

    <p>Brain and spinal cord</p> Signup and view all the answers

    Which structure in the hindbrain controls vital physiological functions such as heartbeat and respiration?

    <p>Medulla oblongata</p> Signup and view all the answers

    Which of the following is true about the influence of genetics on psychological functioning?

    <p>Genetics heavily influences psychological qualities and disorders.</p> Signup and view all the answers

    What is the unit of hereditary transmission?

    <p>Gene</p> Signup and view all the answers

    How many chromosomes do human cells have?

    <p>46</p> Signup and view all the answers

    What is the degree of relatedness between grandparents and grandchildren?

    <p>0.25</p> Signup and view all the answers

    What is the degree of relatedness between siblings?

    <p>0.5</p> Signup and view all the answers

    What type of twins share the same genetic make-up?

    <p>Identical twins</p> Signup and view all the answers

    According to the text, what is the main focus of the research?

    <p>Examining the effects of hemispheric disconnect on consciousness</p> Signup and view all the answers

    What method was used to test the boy's hemispheres?

    <p>Visual stimuli</p> Signup and view all the answers

    How did the boy's left hemisphere respond to the questions?

    <p>Verbally</p> Signup and view all the answers

    How did the right hemisphere respond to the questions?

    <p>By spelling out words with the left hand</p> Signup and view all the answers

    On which day did the boy's hemispheres tend to agree?

    <p>When he was in a pleasant mood</p> Signup and view all the answers

    What did the researchers find about the right hemisphere's responses?

    <p>They were consistently more negative than the left hemisphere's responses</p> Signup and view all the answers

    Which of the following best describes the concept of heritability?

    <p>The proportion of genetic variability among individuals on an observed trait</p> Signup and view all the answers

    What does a heritability coefficient of 0 indicate?

    <p>No genetic influences on the trait</p> Signup and view all the answers

    Which of the following traits has a high degree of heritability in a heterogeneous population?

    <p>Eye color</p> Signup and view all the answers

    What does it mean if a psychological attribute is genetically influenced?

    <p>MZ twins are more likely than DZ twins to share the attribute</p> Signup and view all the answers

    What does a heritability coefficient of 1.0 indicate?

    <p>A trait that is completely heritable</p> Signup and view all the answers

    What is the importance of studying twins in examining the role of genetics in psychological attributes?

    <p>Twins have similar environments and genetic relatedness</p> Signup and view all the answers

    Which part of the brain is involved in regulating eating, sleeping, sexual activity, and emotional experience?

    <p>Hypothalamus</p> Signup and view all the answers

    Which part of the brain processes arriving sensory information and transmits it to higher brain centers?

    <p>Thalamus</p> Signup and view all the answers

    Which subcortical structures are involved in emotion, motivation, learning, and memory?

    <p>Limbic system</p> Signup and view all the answers

    Which lobes of the cerebral cortex are specialized for vision?

    <p>Occipital lobes</p> Signup and view all the answers

    Which lobes of the cerebral cortex are involved in coordination of movement, attention, planning, and aspects of personality?

    <p>Frontal lobes</p> Signup and view all the answers

    What is neuroplasticity?

    <p>The dynamic nature of the brain to develop and change itself in response to neural, environmental, and behavioral experiences</p> Signup and view all the answers

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