OPERANT

noun. a class of reactions which generate a shared impact on the surroundings. It is marked by its impact instead of by the specific...

OLIGOPHRENIA (literally, “small mentality”)

A term for mental retardation or mental deficiency, more commonly used in Europe than the United States. Until recently the term appeared in the...

OLFACTORY STIMULATION

the arousal of the cilia within the olfactory receptors inside the nasal cavity by inhaled odorants, that are absorbed into nasal mucus.

OBJECTIVE PSYCHOLOGY

an technique in psychology which centers upon gauging of behavioral procedures or other observable emotions.

OLSAT

acronym form of: the Otis-Lennon school ability test.

OPTIMAL LEVEL THEORY

any theory which stresses living beings' strife to reach optimal levels of some attribute, like arousal or stimulation, tension, foraging, or motion.

OPTIC DISK

the region of the retina where the axons of the retinal ganglion cells collect prior to exiting the retina to shape the optic nerve....

ORGANIC DEFECT

a congenital illness which isn't the outcome of an inherited anomaly.

OCULAR DOMINANCE

a reaction trait of neurons in the striate cortex. Several neurons react more vigorously to arousal by way of one eye than they do...

OMNIPOTENCE

noun. in psychology, the delusion that one can personally direct, or manage, reality exterior to one's self through solely through wishing or thinking. With...

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