The AAIDD and the DSM-IV-TR Agree That All of the Following

question 13

Multiple Choice

The AAIDD and the DSM-IV-TR agree that all of the following are criteria for what the DSM refers to as mental retardation EXCEPT

• A) significant limitation in intellectual functioning (IQ<70).
• B) significant limitation in adaptive functioning.
• C) significant perceptual impairment.
• D) onset before age 18.

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Definitions:

E. H. Weber

A pioneering psychologist and physician known for his work in the somatosensory system and Weber's Law, which relates to the perceived change in a stimulus to its initial intensity.

Absolute Differences

The minimum amount by which two sensory stimuli can differ for an individual to perceive them as different.

Gustav Fechner

A German philosopher, physicist, and experimental psychologist who founded psychophysics, studying the relationship between the physical properties of stimuli and the sensations they produce.

Psychological Sensation

The subjective experience or perception of a stimulus through the mind's interpretation of sensory information.