Abstract
Individuals with multiple chemical sensitivity (MCS) report decreased attention/concentration, memory loss, disorientation, confusion, fatigue, depression, irritability, decreased libido, sleep disturbances, headaches, and weakness. These neurobehavioral symptoms represent possible alterations in the central nervous system (CNS). The evaluation of neurobehavioral functioning using neuropsychological techniques provides an indirect method for determining the integrity of the CNS. However, caution must be used in interpreting neuropsychological test results, since this technique is extremely sensitive but is not specific. Clinically significant aberrant test performance may be noted after chemical exposure as well as with other diseases of the CNS. In addition, neuropsychiatric conditions such as anxiety and depression are often manifested as cognitive difficulties that are similar in pattern to the cognitive dysfunction caused by toxic chemicals. Herein, limitations and cautions in the interpretations of neuropsychological test results are discussed.
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