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Ketamine (Ketalar) affects the neurotransmitter:
Cone
A photoreceptor cell in the retina that is responsible for color vision and functions best in relatively bright light.
Color-Deficient Vision
A condition where an individual's ability to see one or more colors is impaired, commonly referred to as color blindness.
Opponent-Process Theory
A psychological and neurological model that explains how humans perceive colors as the brain processes signals from the eyes in an antagonistic manner.
Young-Helmholtz Theory
A theory of color vision that proposes three types of cones in the retina, each sensitive to red, green, or blue light.
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