GLUCAGON

the name of a polypeptide hormone that is secreted by A cells in the islets of the langerhans that will increase the glucose concentration...

GLYCINE

The is the amino acid that serving as one of the two major inhibitory neurotransmitters in the central nervous system, mainly the spinal...

GOAL-FREE EVALUATION

the evaluating of the program that is conducted without knowledge of the stated goals or objectives. Less subject to preconceptions and biases of the...

GONADAL HORMONES

the name that is given to the primary male and female sex hormones.

GOOD SHAPE

Principle of perception. People tend to perceive figures as the most uniform and stable forms that are possible. Identified by Max Wertheimer in...

GRADE NORM

the name for the standard score or the range of scores representing average achievement of a set group of people. See grade equivalent.

GRANDMOTHER CELLS

These are the feature detector cells found in the visual association cortex that will be stimulated only by certain objects in the visual field...

GRAPHOMOTOR APRAXIA

the name used to describe an inability to perform the motor activities involved in writing or drawing despite normal capacity to hold and manipulate...

GREAT IMITATOR

1. Slang for lupus erythematosus or lyme disease, and other diseases that are difficult to diagnose correctly. 2. Former colloquial name for syphilis because...

GROUND

a term that is used to describe the relatively homogeneous and indistinct background of figure perceptions.

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