Chapter4- Final Exam | PSYC 1101 - General Psychology, Quizzes of Psychology

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TERM 1

Sensation vs

Perception

DEFINITION 1 Sensation begins with specialized receptor cells located it our sense organs. Perception- process where the brain selects, organizes, and interprets the coded neural messages into meaningful patterns TERM 2

Absolute Threshold vs. difference threshold

DEFINITION 2 absolute threshold- earliest point at which you hear a tone/ the smallest amount of a stimulus that an observer can reliably detect. difference threshold- noticeable difference TERM 3

Sensory Adaptation

DEFINITION 3 Receptors higher up in the sensory system get tired and actually fire less frequently. Decreased sensitivity due to repeated or constant stimulation TERM 4

Selective Attention

DEFINITION 4 Process where the brain manages to sort out the important messages and discard the rest TERM 5

Bottom up vs Top down processing

DEFINITION 5 bottom up- the flow of info from the sensory receptors to the brain top down begin at the top with higher level cognitive processes and then works down to the sensory level

TERM 6

Rods vs cones

DEFINITION 6 rods are visual receptors that detect white black and gray and are responsible for peripheral vision. they are most important in dim light and at night. cones are visual receptors adapted for color, daytime, and detailed vision. They are sensitive to many wavelengths, but each is maximally sensitive to red green or blue.