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PSYCH 101 (705)
Lecture

sensation and perception

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Department
Psychology
Course
PSYCH 101
Professor
Stephanie Denison
Semester
Winter

Description
Sensation and Perception Ambiguous Figures - show someone a picture, and see very different things. Sensartion -basic processes by which our sensory organs and nervous system respond to stimuli in the environment transforming physical stimuli into neural signals in the brain physical stimulus - the matter in the world that has effect on the sensory organs physiological response - sensory experience - subjective psychological perception or experience - sensation is what we take from our environment and translating it into neural signal. - perception is the psychophysics - physical characteristics of our stimuli + experience important concepts - absolute threshold (detection threshold) - point of intensity at which a person ca just detect the presence of a stimulus. - different threshold - magnitude of the difference between two stimuli of differing intensities. transduction - proccess by which environment is activating cells and sending message to brain s
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