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Abstract
The primary objective of this discussion paper is to review the available evidence for the role of psychogenic and psychosocial factors in the development of functional voice disorders (FVD). Current theoretical models linking these factors to the aetiology of FVD and to vocal hyperfunction are then considered. Since there is a paucity of solid empirical evidence to date, general patterns of evidence derived from single case reports and case series are examined first, followed by those empirical studies using more sophisticated methodologies. The discussion is structured around a framework that includes the following psychosocial areas of enquiry: demographic profiles of individuals with FVD; stressful incidents preceding onset; personality traits; coping styles and psychiatric disorder. Current evidence and associated theoretical models suggest that cognitive, affective, neurophysiological and behavioural aspects culminate in the development of these complex voice disorders. The implications of these findings are discussed with respect to clinical practice and clinical training, with suggestions for future scientific research.