Who Actually Found Three Types of Cones in the Retina

question 364

Multiple Choice

Who actually found three types of cones in the retina?

• A) Young and Helmholtz
• B) Hering
• C) Wald and Brown
• D) Smith and Wesson

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Definitions:

Neurotransmitter

Chemicals in the brain that transmit signals from one neuron to another, influencing a wide range of bodily and psychological functions.

Norepinephrine

A neurotransmitter and hormone involved in arousal, alertness, and the stress response.

Dopamine

A neurotransmitter involved in controlling the brain's reward and pleasure centers, as well as regulating movement and emotional responses.

Endorphins

Are neurochemicals produced by the nervous system to cope with pain or stress, often referred to as "feel-good" chemicals.