Psychology 1000 Study Guide - Final Guide: Brainstem, Drug Tolerance, Homeostasis

• School: Western University
• Department: Psychology
• Course: Psychology 1000
• Professor: Laura Fazakas- De Hoog

Document Summary

Synesthesia a condition where sensory stimuli are experienced not only in the normal sensory modality, but in others as well. A mix of the senses (experiencing sounds as colours for example) Sensation the stimulus-detection process by which our sense organs respond to and translate environmental stimuli into nerve impulses that are sent to the brain. Perception making sense of what our senses tell us the active process of organizing this stimulus input and giving it meaning. Transduction the process whereby the characteristics of a stimulus are converted into nerve impulses. Psychophysics the study of the relations between the physical characteristics of stimuli and sensory capabilities. Concerned with the absolute limits of sensitivity and the differences between stimuli. Absolute threshold the lowest intensity at which a stimulus can be detected correctly 50% of the time (thus the lower the absolute threshold the greater the sensitivity)