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neutral point

the single wavelength of visible light that appears uncolored (white or gray) to a person with dichromatism (someone with only two cone photopigments, rather than three). The specific wavelength of the neutral point varies according to which photopigment is missing. Those with normal color vision (trichromatism) and three cone photopigments have no neutral point.

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Psychology term of the day

February 2nd 2025

learning

learning

n. the acquisition of novel information, behaviors, or abilities after practice, observation, or other experiences, as evidenced by change in behavior, knowledge, or brain function. Learning involves consciously or nonconsciously attending to relevant aspects of incoming information, mentally organizing the information into a coherent cognitive representation, and integrating it with relevant existing knowledge activated from long-term memory.