Describe the Role of the Lens in Vision

question 75

Essay

Describe the role of the lens in vision. Name and explain the disease caused by the hardening of the lens.

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Definitions:

Positive Reinforcer

A stimulus which, when presented after a behavior, increases the likelihood of that behavior occurring again in the future.

Negative Reinforcer

An unpleasant or adverse stimulus that, when removed after a behavior, increases the likelihood of that behavior being repeated.

Mother

A female parental figure who may give birth to, adopt, or rear a child in the role of providing care, nurture, and protection.

Positive Punishment

A behavioral strategy that involves the addition of an unfavorable outcome in response to an undesired behavior.