The Visual Disturbance and Limb Numbness a Person with a Migraine

question 19

Multiple Choice

The visual disturbance and limb numbness a person with a migraine experiences is probably caused by

• A) cerebral blood flow deficiency.
• B) contraction of skeletal muscles associated with the scalp.
• C) excess blood pulsating through cranial vessels.
• D) vasodilation of cerebral vessels.
• E) increased blood flow in the skin of the scalp.

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Definitions:

Mere Exposure Effect

A psychological phenomenon where repeated exposure to a stimulus increases an individual's preference for that stimulus.

Just-World Phenomenon

The cognitive bias to believe that the world is inherently fair, leading individuals to justify an unequal treatment or outcomes for others.

Ingroup Bias

The tendency to favor members of one's own group over those from external groups.

Social Identities

Aspects of a person's identity that are derived from their perceived membership in societal groups, such as race, gender, nationality, etc.