ELECTIVE MUTISM
\ɪlˈɛktɪv mjˈuːtɪzəm], \ɪlˈɛktɪv mjˈuːtɪzəm], \ɪ_l_ˈɛ_k_t_ɪ_v m_j_ˈuː_t_ɪ_z_ə_m]\
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The inability to generate oral-verbal expression, despite normal comprehension of speech. This may be associated with BRAIN DISEASES or MENTAL DISORDERS. Organic mutism may be associated with damage to the FRONTAL LOBE; BRAIN STEM; THALAMUS; and CEREBELLUM. Selective mutism is a psychological condition that usually affects children characterized by continuous refusal to speak in social situations by a child who is able and willing to speak to selected persons. Kussmal aphasia refers to mutism in psychosis. (From Fortschr Neurol Psychiatr 1994; 62 (9):337-44)
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