W
Walton T. Roth
Researcher at Stanford University
Publications - 259
Citations - 17268
Walton T. Roth is an academic researcher from Stanford University. The author has contributed to research in topics: Panic & Anxiety. The author has an hindex of 75, co-authored 258 publications receiving 16646 citations. Previous affiliations of Walton T. Roth include VA Palo Alto Healthcare System & St. Elizabeths Hospital.
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Journal ArticleDOI
Clinical application of the P3 component of event-related potentials. II. Dementia, depression and schizophrenia.
Adolf Pfefferbaum,Adolf Pfefferbaum,Brant G Wenegrat,Brant G Wenegrat,Judith M. Ford,Judith M. Ford,Walton T. Roth,Walton T. Roth,Bert S. Kopell,Bert S. Kopell +9 more
TL;DR: The data from these two paradigms suggest that the P3 amplitude and latency abnormalities observed reflect a common, rather than a diagnostically specific deficit, in patients with dementia, schizophrenia and depression.
Journal ArticleDOI
Clinical application of the P3 component of event-related potentials. I. Normal aging.
Adolf Pfefferbaum,Adolf Pfefferbaum,Judith M. Ford,Judith M. Ford,Brant G Wenegrat,Brant G Wenegrat,Walton T. Roth,Walton T. Roth,Bert S. Kopell,Bert S. Kopell +9 more
TL;DR: Normal adult volunteer subjects ranging in age from 18 to 90 years participated in a study in which analogous auditory and visual paradigms were used to elicit event-related potentials (ERPs) with a prominent P3 component.
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Cardiovascular, electrodermal, and respiratory response patterns to fear- and sadness-inducing films.
TL;DR: Responses to fear- and sadness-inducing films were assessed using a broad range of cardiovascular and electrodermal measures and facial behavior served as control measures, indicating robust differential physiological response patterns for fear, sadness, and neutral.
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P3 in schizophrenia is affected by stimulus modality, response requirements, medication status, and negative symptoms.
TL;DR: P3 amplitude reduction in schizophrenia is a robust psychobiological phenomenon that is present regardless of medication status or task demands and there was no evidence that P3 is smaller over left temporal electrode sites in schizophrenics.
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Reduced communication between frontal and temporal lobes during talking in schizophrenia
TL;DR: This finding revealed that patients failed to show an increase in coherence during talking, especially over the speech production and speech reception areas of the left hemisphere, and especially in patients prone to hallucinate.