OBJECT AND LOCATION MEMORY

a type of spatial cognition which consists of finding and retaining items in spatial arrays. It shouldn't be confused with the more typical...

OBJECT-BASED ATTENTION

interest seen as operating mostly on items instead of on spatial locations.

OBJECTIVE TEST

an examination modeled to induce a particular response, accurate or inaccurate. A true or false examination is one instance of an objective test.

OBSERVATIONAL LEARNING 1

the collecting of data, skills, or actions by way of observing the behavior of others, either directly or through such media as videotapes and...

OCCAM

the maxim which, given an option between two hypotheses, the one containing the lesser amount of presumptions should be favored.

OCCUPATIONAL CULTURE

a distinctive pattern of thought and actions shared by members of the same profession and showed in their language, morals, outlooks, beliefs, and traditions.

OCTAVE

the interval between two noises which have a frequency ratio of 2:1.

OCULOMOTOR NUCLEUS

a nucleus in the brainstem which is correlated with either of the occulomotor nerves.

OFF-CENTER GANGLION CELL

a retinal ganglion cell which is hindered by light in the core of its receptive region but is aroused by light in the surrounding...

OLFACTION

noun. the sense of scent, that is aroused by odorant excitement of receptor cells in the olfactory epithelium within the nasal passages.

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