Neurotoxic complaint base rates of personal injury claimants: Implications for neuropsychological assessment

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Abstract
This study reports base rate data for 113 family practice patients with no history of head trauma or toxic exposure, 68 family practice patients with a history of head trauma or toxic exposure, and 156 personal injury claimants with no history of toxic exposure or head trauma who presented for a psychological evaluation due to emotional distress. Personal injury claimants reported suffering from significantly more neurotoxic and neuropsychologic symptoms than subjects with a reported history of head trauma and/or toxic exposure. The authors urge that evaluating psychologists consider the base rate of these symptoms in litigating populations and use caution in relying on self-reported symptoms as evidence of injury when patients are in litigation.