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PSYA01H3 Study Guide - Quiz Guide: Phantom Pain, Visual Cortex, Somatic Nervous System

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Steve Joordens
Study Guide

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MTuner 2
1. The relatively stable state during which a cell is not transmitting messages is called its resting
2. Researchers often use the lesion method instead of studying humans with brain damage
because it is possible to test more subjects using the lesion method, and brain damage usually
differs between patients.
3. “The other region, the anterior cingulate gyrus, influences our attentional and emotional
responses to pain; this brain region is found on the medial surface of the brain immediately
above the corpus callosum. Although you might not immediately think of pain as an emotional
experience, you can likely think of situations in which you were quite upset and frustrated after
hurting yourself. These feelings are due, in part, to activity of the anterior cingulate gyrus,
which forms networks with many structures within the limbic system.” P.171
4. Responses from rods are not associated with particular colours (no differentiation between
wavelengths), while there are three types of cones that respond to different wavelengths of
5. Dendrites are small branches radiating from the cell body that receive messages from other
cells and transmit those messages toward the rest of the cell.
6. The amygdala facilitates memory formation for emotional events, mediates fear responses, and
plays a role in recognizing and interpreting emotional stimuli.
7. Chromosomes are made up of DNA.
8. An antagonist is a drug that blocks the actions of a neurotransmitter.
9. The autonomic nervous system and somatic nervous system are part of the peripheral nervous
10. Yellow is the opponent colour of blue- after seeing white following looking at blue for some
time, there is a rebound effect related to disinhibition, resulting in the perception of yellow
(even though yellow light is not present).
11. The human ear is not very sensitive to sounds above 22000 Hz, so for the 23000 Hz tone to be
heard, it was likely of a very high amplitude. The human ear is, however, is usually very sensitive
to tones oscillating at 11500 Hz, so if the large amplitude from the 23000 Hz ton was used, it
would be very loud (and piercing 11500 Hz is a high pitched tone).
12. Patients with damage to the right parietal lobe sometimes show evidence of neglect, which is a
failure to attend to the left half of their visual field.
13. “The amplitude of a sound wave determines its loudness: High-amplitude sound waves are
louder than low-amplitude sound waves”P.160.
14. The left visual field of both eyes is directed to the contralateral (opposite, right) side of the
primary visual cortex. (Please see figure 4.17 on P.149)
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