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determinant

n.

1. any internal or external condition that is the cause of an event.

2. a value that represents the generalized variance in a matrix of numbers, with large values indicating that the matrix numbers are very dissimilar and thus have more varied information. A determinant can be calculated by multiplying the eigenvalues of a matrix by one another.

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Psychology term of the day

February 1st 2025

sensory evoked potential

sensory evoked potential

a type of evoked potential recorded from electrodes placed on the scalp, overlying the cerebral cortex, in response to sensory stimulation. The stimuli may be visual, auditory, somatosensory, gustatory, or olfactory, and the mapping of sensory evoked potentials in the cortex helps to locate the different sensory areas. See also auditory evoked potential; visual evoked potential. Compare motor evoked potential.