Psychology / Unit 4 Psych 0371 short lesson, about 20 seconds
Sensation
Captions available
The idea
Sensation is the detection of physical energy by sensory receptors and its conversion into neural signals.
In practice
Light striking the retina activates receptor cells that begin sending signals toward the brain.
Where people slip
Sensation ends at the signal. Nothing has been recognized yet at this stage.
Your place on the trail
Every lesson rests on earlier ones and opens later ones. Tap any to jump.
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