We Do Not See the Blood Vessels and Neurons That

question 12

Multiple Choice

We do not see the blood vessels and neurons that lie in front of the retina because​ 

• A)the visual system does not respond much to stimuli that never change. 
• B)these structures are made of special proteins whose fibers make them transparent. 
• C)they are blocked by the vitreous humor. 
• D)they lie behind the lens and cornea.

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Definitions:

Habituation

The process by which an organism becomes accustomed to a stimulus after repeated exposures, leading to a decrease in response.

Classical Conditioning

A form of learning in which an environmental stimulus becomes associated with stimuli that elicit reflex responses.

Operant Conditioning

A form of learning in which behavior increases or decreases based on environmental consequences.

Neurogenesis

The process of generating new neurons in the brain, which continues throughout life in certain areas of the brain.