Table 2.

Summary of syndromic profiles of emotional sound processing in patients relative to healthy controls

Disease group	Pupil responses		Valence rating	Semantic performance†
Overall reactivity	Valence coupling∗
bvFTD	Impaired‡	Impaired	Preserved	Impaired
SD	Impaired§	Preserved||	Preserved	Impaired¶
PNFA	Impaired‡	Preserved	Preserved	Preserved
AD	Preserved	Impaired	Impaired§	Preserved

Abbreviations: bvFTD, behavioral variant frontotemporal dementia; SD, semantic dementia; PNFA, progressive nonfluent aphasia; AD, Alzheimer's disease. See text for details.

^∗Correlation of pupil response with affective sound valence ratings by that group.

^†Nonverbal auditory semantic classification task.

^‡Also relative to AD group.

^§Relative to all other groups.

^||Impaired if referenced to healthy control (rather than patients' own) affective ratings.

^¶Also relative to PNFA group.