Glossary E

Extrapyramidal means outside the pyramidal tracts , with origin in the basal ganglia . These cell bodies are involved with starting, stopping, and smoothing out movements

Extrapyramidal motor system refers to a system which is responsible for stereotyped postural and reflexive motor activity. The Extrapyramidal motor system also acts to keep individual muscles ready to respond.
Extrasensory perception is defined as the purported ability to perceive events in ways that cannot be explained by known capacities of the sensory organs.
Extrastriate body area (EBA) is defined as an area of the temporal lobe that is activated by pictures of bodies and parts of bodies.

Extraversion is defined as one of the two (2) major attitudes or orientations of personality . Extraversion is associated with valuing objective experience and receiving and responding to the external world rather than thinking about one’s own perceptions or internal world. It refers to the degree to which an individual tends to seek out social contacts . Introverts are oriented primarily toward inner perceptions and judgments of concepts and ideas, whereas extraverts are oriented primarily toward social experiences. Extraversion, moreover, refers to an attitude of the psyche characterized by an orientation toward the external world and other people. People high on this dimension thrive on social interaction , readily express their opinions and feelings , like to keep busy, and prefer stimulating and challenging environments.

Extremely low birth weight refers to newborns who weigh less than 1,000 grams or 2 pounds

Extrinsic motivation refers to the desire to engage in an activity because of external rewards or pressures, not because we enjoy the task or find it interesting
Extrinsic muscles is defined as muscles that arise or originate outside of or proximal to the body part on which they act.

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