PSYC 1200 Chapter Notes - Chapter 4: Occipital Lobe, Opponent Process, Ames Room

• School: University of Manitoba
• Department: Psychology
• Course: PSYC 1200
• Professor: Jason Leboe- Mcgowan

Document Summary

Ian howard is known internationally as a pioneer in sensation/perception research. People can rely on 3 types of cues to determine which way is up - visual, gravity, and body direction. Perception: the selection, organization, and interpretation of sensory input. Psychophysics: the study of how physical stimuli and translated into psychological experience. Stimulus: any detectable input from the environment: sensation begins with a stimulus. Threshold: a dividing point between energy levels that do and do not have a detectable effect. Absolute threshold: for a specific type of sensory input is the minimum amount of stimulation that an organism can detect. Just noticeable difference (jnd): the smallest difference in the amount of stimulation that a specific sense can detect. Weber"s law: states that the size of a jnd is a constant proportion of the size of the initial stimulus: as the stimulus increases in magnitude, the jnd becomes larger.