PSYCO104 Lecture Notes - Lecture 5: Gustav Fechner, Absolute Threshold, Psychophysics

• School: University of Alberta
• Department: Psychology
• Course: PSYCO104
• Professor: Michele Moscicki

Document Summary

Perceptual experience of one sense that is evoked by other. Most common: seeing colours evoked by sounds. Brain regions for different sensory modalities cross-activate one another. Some people may have this due to : the pruning of your synapses when developing (so they have extra connections) Suspect that people may have a deficiency in their inhibitory senses in their brain. Sensing and perceiving the simple stimulation of a sense organ. The organization, identification and interpretation of a sensation in order to form a mental representation. Sensation and perception are both related, but separate, events. When many sensors in the body convert physical signals from the environment into encoded neural signals sent to the cns. Ie: eyes sensing, brain seeing what the eyes sense. Hearing: vibrations causes changes in air pressure. Science development to get around introspection when studying stimulus. Method that measure the strength of a stimulus and the observer sensitivity at the stimulus.