Despite the current opinion of a good quality of life after CPA treatment, careful long-term neurocognitive follow-up is needed in order to inform parents and teachers about the behavioral and cognitive sequelae and to contribute to timely social and educational intervention.

"Cerebellar" mutism refers to a specific childhood disorder in which a complete but transient loss of speech, followed by dysarthria, occurs after removal of a cerebellar tumor. We present a consecutive series of 15 children with this disorder, which we prefer to designate "mutism and subsequent dysarthria." The conditions in which it develops suggest also an extracerebellar component of cerebellar mutism. Hydrocephalus at presentation, localization of tumor adjacent to the fourth ventricle, and postsurgical edema of the pontine tegmentum are involved in its development.

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In unselected adult patients with brain damage, the Judgment of Line Orientation Test and the Facial Recognition Test are considered valid instruments for detecting right cerebral hemisphere lesions. It is unknown, however, whether this applies to children as well. Performance levels on the Judgment of Line Orientation Test and the Facial Recognition Test of 18 children with acquired left cerebral lesions and 14 children with acquired right cerebral lesions were reviewed. Subjects were unselected for age, sex, or etiology. Age-related norms were obtained in 81 normal controls, aged 7 to 14 years. Judgment of Line Orientation Test and Facial Recognition Test performance levels did not predict the presence of cerebral pathology per se in our unselected groups with demonstrated unilateral cerebral lesions, nor did they contribute to the prediction of the side of the lesion within the two groups with cerebral lesions. These results cast serious doubt on an important aspect of the clinical utility of both tests in children, namely their discriminative validity in the assessment of etiologically unselected populations with brain damage.

Acquired neurologic mutism in childhood is a complex phenomenon occurring in various neurologic conditions with different etiologies. We illustrate its clinical heterogeneity as reflected in a wide range of concomitant behavioral features by presenting 4 children with acquired neurologic mutism. Neuropsychologic examinations revealed differential patterns of defective or preserved phonation, orofaciai movements, communicative behavior, and linguistic functions. We propose that detailed neuropsychologic analysis contributes to descriptions of the evolution of the speech impairment beyond the mute phase and the long-term disability. A framework for the clinical evaluation of children is therefore presented.

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