Module 5

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Author:
bubble7creations
ID:
113831
Filename:
Module 5
Updated:
2011-11-01 22:21:27
Tags:
psychololgy
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Description:
Exam II
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  1. What is an EEG?
    Electroencephalogram- amplified recording of the brains electrical waves measured by electrodes placed on the scalp.
  2. A visual display of brain activity that detects a radioactive form of glucose while the brain performs a given task is a
    PET scan (positron emission tomography)
  3. What is an MRI?
    • Magnetic resonance imaging.
    • uses magnetic fields and radio waves to produce computer generated images that distinguish among the different types of brain tissue.
  4. Where is the brainstem and what are its functions?
    where the spinal cord swells and enters the skull. responsible for automatic survival funtions. oldest part of the brain.
  5. Which part of the brainstem controls heart beat and breathing? Where in the brainstem is it located?
    • the medulla
    • at the base of the brainstem
  6. What is the reticular formation?
    A nerve network in the brainstem which plays an important role in controlling arousal
  7. Where is the thalamus located and what is it's function?
    • On the top of the brainstem
    • sensory switchboard- It directs messages to the sensory areas in the cortex and transmits replies to the cerebellum and the medulla.
  8. What is the "little brainn" attached to the rear of the brainstem and what is it responsible for?
    • cerebellum
    • helps coordinate voluntary movements and balance
  9. What 4 neural structurs are apart of the Limbic System? And where is the general location of this system?
    • hypothalamus
    • pituitary gland
    • amygdala
    • hippocampus
    • located at the border of the brainstem and the cerebrum
  10. Which nueral structure in the limbic system is linked to the emotion of fear and anger?
    amygdala
  11. Which nueral structure in the limbic system is linked to directing several maintenance activites such as eating, drinking, body temperature and emotions?
    • hypothalamus- located under the thalamus
    • governs the endocrine system via the pituitary gland
  12. Where is the motor cortex and what is its function?
    • rear of the frontal lobe
    • controls voluntary movements
    • output
  13. Where is the sensory cortex and what is its function?
    • rear of the frontal lobes
    • receives information from the skin surface and sense organs.
    • aka parietal cortex
    • input
  14. An impairment of language usually caused by left hemisphere damage to the Broca's area (impaired speaking) or to Wernicke's area (impaired understanding is called?
    Aphasia
  15. ___________ refers the the brains ability to modify itself after some type of injury or illness.
    plasticity
  16. Split brain patient's have a severed
    corpus callosum
  17. Left hemisphere of the brain is responsible for..
    reading, writing, speaking, math, comprehension
  18. Right hemisphere of the brain is responsible for...
    perceptual tasks

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