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PSYC 101 Chapter Notes -Thalamus, Basilar Membrane, Cochlea

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rosescorpion41
5 Nov 2011
School
UBC
Department
Psychology
Course
PSYC 101
Professor
Peter Graf

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PSYC 101 Full Course Notes
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PSYC 101 Full Course Notes
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Document Summary

Energy (stimulus) from environment and conversion into neural signals. Signal detection theory useful for computing how/when presence of faint stimulus/signal amid bg noise(or other stimulation) is detected assumes that there is no single abs threshold; detection depends on: experience, expectations, motivation, fatigue level. Weber"s law: method: present base stimulus and comparison stimulus; use diff. base stimuli on diff. trials; comparison stimulus differs from base by some amt. C-constant eg. 10, r-intensity of original (starting stimulus) C-constant eg. 10, r-intensity of original (starting stimulus) eg. to hear increase in tone at 50 decibels, comparison stimulus needs 55. Sensory adaptation stimuli below abs threshold for conscious awareness diminished sensitivity to stimulus as consequence of constant stimulation by that stimulus nerve cells fire less often permits us to perceive what is useful. =dimension of color determined by wavelength amt of energy in wave determined by amplitude; related to perceived brightness.

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Related Questions

6. Which of the following is/are considered to be a stimulus for the perception of movement? A) the absolute movement of the stimulus across the retina B) binocular disparity, in which each eye sees a slightly different image C) the relative movement of an object in relation to its background D) the object's height in the horizontal plane E) Both A) and C).

Which of the following is NOT true? A) To fully taste something, one needs the sense of smell B) Because there are taste buds on the roof and back of the mouth, a person without a tongue could still experience taste C) The centre of the tongue is a relatively insensitive area with respect to taste D) The perception of taste results from the stimulation of a particular area on the tongue E) A taste bud consists of more than one receptor cell

6. Compared with unconscious information processing, conscious information processing is relatively a. fast and especially effective for solving simple problems. b. slow and especially effective for solving simple problems. c. fast and especially effective for solving complex problems. d. slow and especially effective for solving complex problems.