BIOL 404-Exam 4-CNS 7

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kyleannkelsey
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216473
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BIOL 404-Exam 4-CNS 7
Updated:
2013-04-28 23:03:42
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BIOL 404 Exam CNS
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BIOL 404-Exam 4-CNS 7
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  1. What types of influences create a learning experience?
    Positive and negative influences
  2. What is a conscious experience?
    • Internal and External awareness
    • Includes: taste, happiness, perception of touch
  3. What is selective attention?
    • The ability to avoid distraction by recruiting attention for only one item and ignoring excess stimuli
    • Often momentary
  4. What is habituation?
    • eventual diminishment of response to repeated stimuli
    • e.g. slowing dissipating sound of ticking clock
  5. What is the purpose of habituation?
    To reduce overwhelming or unnecessary stimuli
  6. What are the steps of selective attention?
    • Disengagement from current stimulus
    • Acquire new stimulus
    • Increased arousal and attention to new stimulus
  7. What major areas contribute to selective attention?
    • Multisensory modalities (all over the brain)
    • Brainstem
    • Cerebral cortex
  8. What is the function of the locus coeruleus in conscious thought?
    Information processing
  9. Where is the locus coeruleus located?
    The brain stem
  10. What is the role of the cerebral cortex in conscious thought?
    Direct thoughts and memories associated with stimuli
  11. What part of the brain directs thoughts and memories associated with stimuli?
    Cerebral cortex
  12. What happens to a person with damage to the right parietal lobe?
    partial images in the left field
  13. Why do people with right parietal lobe damage have reduced visual field?
    They are receiving info through the eyes, but the brain can't process it
  14. What is primary motivated behavior?
    • Internal stimuli = thirst, cold
    • Maintenance of homeostasis
  15. What type of behavior is motivated by maintaining homeostasis?
    Primary motivated behavior
  16. What is secondary motivated behavior?
    • does not rely on primary motivated behavior
    • Making a choice
    • based on learning, habits intellect, emotions
    • e.g. soda or coffee
  17. What type of behavior is associated with making a choice?
    Secondary motivated behavior
  18. What is secondary motivated behavior based on?
    Intellect, previous experiences, emotions, incentives, habits
  19. What region of the brain is involved in motivated behavior?
    Mesolimbic region
  20. What is the Mesolimbic region associated with?
    motivated behavior
  21. Name the parts of the Mesolimbic region:
    • Locus cerebreus
    • Nucleus accumbens

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