Examlex
Describe how positive reinforcement and negative reinforcement play a role in drug addiction.
Just Noticeable Difference
The minimal change in a stimulus that can just barely be detected by an organism.
Absolute Threshold
The minimum intensity of a stimulus that can be detected by an organism's sensory systems at least 50% of the time.
Wavelength
The distance between successive crests of a wave, especially points in a sound wave or electromagnetic wave.
Retina
A layer at the back of the eyeball containing cells that are sensitive to light and that trigger nerve impulses that pass via the optic nerve to the brain, where a visual image is formed.
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