Glossary O

Occupational therapy or OT refers to a rehabilitation specialty that focuses on improving self -care activities such as grooming, bathing, dressing, and feeding, as well as activities concerned with a person's occupation and avocation.

OCD is the abbreviations of Obsessive-compulsive disorder which refers to an extreme preoccupation with certain thoughts and compulsive performance of certain behaviors; persistent and uncontrollable thoughts or feelings in which individuals feel compelled to repeat behaviors again and again.

Octave are tones that have frequencies that are binary multiples of each other (2, 4, etc.). For example, an 800-Hz tone is one Octave above a 400-Hz tone.

Ocular dominance refers to the degree to which a neuron is influenced by stimulation of each eye. A neuron has a large amount of Ocular dominance if it responds only to stimulation of one eye. There is no Ocular dominance if the neuron responds equally to stimulation of both eyes.
Ocular dominance column refers to a column in the visual cortex that contains neurons that respond best to stimulation of the same eye.

Oculesics is the use of the eyes in a communication setting. Whereas in most Western cultures, the use of direct eye contact symbolises listening and attention, direct eye contact is seen as unfavourable by, for example, various Asian cultures. The length of the eye contact is also a cultural variable, as it might extend to become perceived as aggression when used for too long, or as uninterested, when perceived too short.

Oculomotor cue refers to depth cue that depends on our ability to sense the position of our eyes and the tension in our eye muscles. Accommodation and convergence are Oculomotor cues.

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