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What is a TOVA?
TOVA stands for Test of Variables of Attention. It is a computerized continuous performance test that is medically necessary to titrate medication doses and measure treatment efficacy. It uses nonlinguistic stimuli and is extensively normed. Through the TOVA, a patient's neurophysiological vigilance, visual information processing, and response inhibition can be tested. However, its results alone are not sufficient to diagnose attentional deficits, nor does a normal result preclude attentional deficits, especially when the test is performed while the patient is on medication. Clinical correlation is still necessary to forming a proper diagnosis.
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