A transdiagnostic review of negative symptom phenomenology and etiology

GP Strauss, AS Cohen - Schizophrenia bulletin, 2017 - academic.oup.com
In the DSM5, negative symptoms are 1 of the 5 core dimensions of psychopathology
evaluated for schizophrenia. However, negative symptoms are not pathognomonic—they …

Voice patterns in schizophrenia: A systematic review and Bayesian meta-analysis

A Parola, A Simonsen, V Bliksted, R Fusaroli - Schizophrenia research, 2020 - Elsevier
Voice atypicalities have been a characteristic feature of schizophrenia since its first
definitions. They are often associated with core negative symptoms such as flat affect and …

What do we really know about blunted vocal affect and alogia? A meta-analysis of objective assessments

AS Cohen, KR Mitchell, B Elvevåg - Schizophrenia research, 2014 - Elsevier
Deficits in nonverbal vocal expression (eg, blunted vocal affect, alogia) are a hallmark of
schizophrenia and are a focus of the Research Domain Criteria initiative from the National …

Ambulatory digital phenotyping of blunted affect and alogia using objective facial and vocal analysis: proof of concept

AS Cohen, T Cowan, TP Le, EK Schwartz… - Schizophrenia …, 2020 - Elsevier
Negative symptoms reflect one of the most debilitating aspects of one of the most debilitating
diseases known to humankind. As yet, our treatments for negative symptoms are palliative at …

A comprehensive review of computational methods for automatic prediction of schizophrenia with insight into indigenous populations

R Ratana, H Sharifzadeh, J Krishnan, S Pang - Frontiers in psychiatry, 2019 - frontiersin.org
Psychiatrists rely on language and speech behavior as one of the main clues in psychiatric
diagnosis. Descriptive psychopathology and phenomenology form the basis of a common …

Voice patterns as markers of schizophrenia: building a cumulative generalizable approach via a cross-linguistic and meta-analysis based investigation

A Parola, A Simonsen, JM Lin, Y Zhou… - Schizophrenia …, 2023 - academic.oup.com
Abstract Background and Hypothesis Voice atypicalities are potential markers of clinical
features of schizophrenia (eg, negative symptoms). A recent meta-analysis identified an …

Ambulatory vocal acoustics, temporal dynamics, and serious mental illness.

AS Cohen, TL Fedechko, EK Schwartz… - Journal of abnormal …, 2019 - psycnet.apa.org
Acoustic analysis of vocal expression offers a potentially inexpensive, unobtrusive, and
highly sensitive biobehavioral measure of serious mental illness (SMI)-related issues …

Vocal expression in schizophrenia: Less than meets the ear.

AS Cohen, KR Mitchell, NM Docherty… - Journal of Abnormal …, 2016 - psycnet.apa.org
Abnormalities in nonverbal communication are a hallmark of schizophrenia. Results from
studies using symptom rating scales suggest that these abnormalities are profound (ie, 3–5 …

Evaluating speech latencies during structured psychiatric interviews as an automated objective measure of psychomotor slowing

AS Cohen, Z Rodriguez, M Opler, B Kirkpatrick… - Psychiatry …, 2024 - Elsevier
We sought to derive an objective measure of psychomotor slowing from speech analytics
during a psychiatric interview to avoid potential burden of dedicated neurophysiological …

Using machine learning of computerized vocal expression to measure blunted vocal affect and alogia

AS Cohen, CR Cox, TP Le, T Cowan, MD Masucci… - npj …, 2020 - nature.com
Negative symptoms are a transdiagnostic feature of serious mental illness (SMI) that can be
potentially “digitally phenotyped” using objective vocal analysis. In prior studies, vocal …