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residual vision

1. usable vision in an individual with congenital or acquired visual impairment. For example, an individual with impaired vision in the peripheral visual field due to glaucoma may still have residual vision in the central visual field. See also low vision.

2. nonconscious visual processes that are spared when damage to the striate cortex (primary visual cortex) produces loss of vision. See blindsight.

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Psychology term of the day

October 15th 2024

accuracy

accuracy

n.

1. lack of error or bias in a measure; the more accurate the measure, the closer the measurement is to the true score for an individual.

2. a measure of performance on a task, usually defined as the proportion of correct responses.

3. more generally, exactness or freedom from error. See also precision. —accurate adj.