In Experimental Research on Humans, the Independent Variable Is

question 171

Multiple Choice

In experimental research on humans, the independent variable is

• A) some form of stimulus presented to the subjects
• B) under the full, active control of the experimenter
• C) the potential causal half of the cause-and-effect relationship
• D) all of these

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Definitions:

Frontal Lobe

Part of the cerebral cortex, which performs the brain’s executive functions, such as decision making, and voluntary movement; lies anterior to the central sulcus and beneath the frontal bone of the skull.

Chronic Traumatic Encephalopathy (CTE)

Progressive degenerative disease caused by multiple concussions and other closed-head injuries, characterized by neurofibrillary tangles, plaques, cerebral atrophy, and expanded ventricles due to cell loss.

Neurofibrillary Tangles

Twisted fibers that accumulate inside neurons, often associated with diseases like Alzheimer's, contributing to neuronal death.

Diaschisis

A sudden loss of function in a portion of the brain connected to a distant, but damaged, brain area due to the disruption of neural circuits.