Elective mutism was described as " a continuous refusal to speak in almost all social situations " despite normal ability to speak.
2.
Subjects covered in her books include autism, Tourette syndrome, sexual abuse, fetal alcohol syndrome, and elective mutism ( now called selective mutism ), her specialty.
3.
The " Diagnostic and Statistical Manual of Mental Disorders " ( DSM ), first published in 1952, first included Elective Mutism in its third edition, published in 1980.
4.
Elective mutism in the third edition revised ( DSM III-R ) is described similarly to the third edition except for specifying that the disorder is " not " related to social phobia.
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In 1980, a study by Torey Hayden identified what she called four " subtypes " of elective mutism ( as it was called then ), although this set of subtypes is not in current diagnostic use.
6.
Elective mutism in the third edition revised ( DSM III-R ) is described similarly as in the third edition except for specifying that the disorder is " not " related to social anxiety disorder.
7.
In 1994, Sue Newman, co-founder of the Selective Mutism Foundation, requested that the fourth edition of the DSM reflect the name change from elective mutism to selective mutism and describe the disorder as a " failure " to speak.
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