When No Evidence of Organic Brain Damage Can Be Found

question 49

Multiple Choice

When no evidence of organic brain damage can be found, cases are labeled ________ intellectual disability. Individuals with this type of disability have IQs between 55 and 70.

• A) pseudo-social
• B) moderate
• C) cultural-familial
• D) severe

Comprehend the challenges in reconstructing phylogenetic relationships among viruses.

Understand molecular techniques for studying gene function, such as reverse transcription.

Understand the ecological roles and impacts of viruses on human health.

Comprehend the characteristics of double-stranded DNA viruses.

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Definitions:

Evoked Responses

Electrical potentials recorded from the nervous system following presentation of a stimulus, used to assess sensory function and neural pathways.

Extinction

The process by which stimuli lose their ability to evoke learned responses because the events that had followed the stimuli no longer occur. The learned responses are said to be extinguished.

Operant Conditioning

A method of learning that occurs through rewards and punishments for behavior, aiming at increasing or decreasing specific behaviors.

Voluntary Responses

Actions that are under conscious control, often in contrast to reflexive or automatic responses.