Tag
Perception
Entries tagged perception.
5 entries
Gate Control Theory of Pain
Pain is not a direct readout of injury but a signal a spinal gate can amplify or dampen, which is why rubbing a hurt helps and why a lost limb can still ache.
7 min
ConceptGestalt Principles of Perception
The mind groups raw sensory fragments into organized wholes by rules like proximity, similarity, closure, and continuity, rather than building perception up piece by piece.
9 min
TraditionGestalt Psychology
The claim that perception and thought are organized into structured wholes that cannot be built up from separate sensory parts.
12 min
ConceptTheories of Color Vision
Two rival accounts of how the eye sees color, three receptor types versus opposed color pairs, that modern neuroscience shows are both right, at different stages of the visual pathway.
6 min
ConceptWeber's Law
The just-noticeable difference between two stimuli is a roughly constant fraction of their magnitude, so we perceive changes by ratio, not by absolute amount.
9 min