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)
Also Known As:
Selective Mutism; Elective Mutism; Kussmaul's Aphasia; Mutism, Conversion; Mutism, Elective; Mutism, Organic; Mutism, Selective; Mutism, Voluntary; Aphasia, Kussmaul; Aphasia, Kussmaul's; Conversion Mutism; Conversion Mutisms; Elective Mutisms; Kussmauls Aphasia; Mutisms; Mutisms, Conversion; Mutisms, Elective; Mutisms, Organic; Mutisms, Voluntary; Organic Mutism; Organic Mutisms; Voluntary Mutism; Voluntary Mutisms; Kussmaul Aphasia