Network


Latest external collaboration on country level. Dive into details by clicking on the dots.

Hotspot


Dive into the research topics where Thomas A. Wehr is active.

Publication


Featured researches published by Thomas A. Wehr.


Biological Psychiatry | 1988

Nocturnal TSH and prolactin secretion during sleep deprivation and prediction of antidepressant response in patients with major depression

Siegfried Kasper; David A. Sack; Thomas A. Wehr; Hermes Andreas Kick; Voll G; Vieira A

In order to test the hypothesis that changes in the hypothalamic-pituitary axis during sleep deprivation are related to the antidepressant effects of this procedure, we measured thyroid-stimulating hormone (TSH) and prolactin levels in 32 depressed patients at 2:00 AM during a night before, during, and after total sleep deprivation (TSD). TSH levels increased significantly (p less than 0.05) during TSD, and prolactin levels decreased significantly (p less than 0.0001). When we divided the patients into responder and nonresponder groups based on a 30% reduction in the Hamilton Rating Scale, there was no difference between the two groups in their hormone levels on the baseline, TSD, or recovery nights. Changes in prolactin or TSH were not correlated with clinical improvement when the two groups were considered together or in the responder/nonresponder groups separately. Baseline values of both hormones were significantly (p less than 0.01) correlated with their respective levels during TSD and recovery sleep. These findings indicate that the relative levels of nocturnal TSH and prolactin are stable even within acutely depressed individuals and that changes in their levels are not related to the clinical response to sleep deprivation.


Archive | 1992

Therapeutischer Schlafentzug und Resistenz auf Antidepressiva — Neuroendokrinologische und klinische Befunde

Siegfried Kasper; David A. Sack; Thomas A. Wehr

Der antidepressive Effekt des therapeutischen Schlafentzugs (SE) ist gut dokumentiert, und Ergebnisse von nichtkontrollierten Studien (zur Ubersicht: Kasper 1990) weisen darauf hin, das die Kombination von wiederholten SE und Antidepressiva eine gunstige therapeutische Wirkung entfaltet, wenn eine Resistenz auf Antidepressiva alleine besteht (Moller et al. 1990). Eine andere, bis jetzt noch nicht untersuchte Frage ist, wie der unmittelbare Effekt einer Schlafentzugsbehandlung bei einer Vorgeschichte von Non-Response auf Antidepressiva ausfallt. Wir sind dieser Fragestellung anhand einer groseren Patientenstichprobe nachgegangen. Da wahrend der SE-Nacht auch charakteristische hormonelle Veranderungen auftreten (Baumgartner et al. 1990), war es ein weiteres Ziel dieser Untersuchung herauszufinden, ob die Schlafent-zugseffekte bei den Gruppierungen hinsichtlich des vorangegangenen Ansprechens auf Antidepressiva mit einem unterschiedlichen nachtlichen hormonellen Sekretionsmuster einhergehen.


Encephale-revue De Psychiatrie Clinique Biologique Et Therapeutique | 1992

The role of sleep and wakefulness in the genesis of depression and mania.

Siegfried Kasper; Thomas A. Wehr


Archive | 1990

Portable light delivery system

Stephen B. Leighton; Norman E. Rosenthal; Thomas A. Wehr


Psychopharmacology Bulletin | 1988

Serotonergically induced hormonal responses and the antidepressant effect of total sleep deprivation in patients with major depression.

Siegfried Kasper; Vieira A; Thomas A. Wehr; Roland Schmidt; Hermes Andreas Kick; Voll G; Murphy Dl


Archive | 1989

Portable light dosage system

Norman E. Rosenthal; Thomas A. Wehr; Stephen B. Leighton


Psychopharmacology Bulletin | 1988

Personality as a dimension of summer and winter depression.

Schulz Pm; Goldberg S; Thomas A. Wehr; David A. Sack; Siegfried Kasper; Norman E. Rosenthal


Archive | 1991

Low intensity light visor for phototherapy

Norman E. Rosenthal; Thomas A. Wehr; Stephen B. Leighton


Nervenarzt | 1988

[Season-related forms of depression. II. Modification by phototherapy and biological results].

Siegfried Kasper; Thomas A. Wehr; Norman E. Rosenthal


Nervenarzt | 1988

[Season-related forms of depression. I. Principles and clinical description of the syndrome].

Siegfried Kasper; Thomas A. Wehr; Norman E. Rosenthal

Collaboration


Dive into the Thomas A. Wehr's collaboration.

Top Co-Authors

Avatar
Top Co-Authors

Avatar

Siegfried Kasper

Medical University of Vienna

View shared research outputs
Top Co-Authors

Avatar

David A. Sack

National Institutes of Health

View shared research outputs
Top Co-Authors

Avatar
Top Co-Authors

Avatar

Voll G

Heidelberg University

View shared research outputs
Top Co-Authors

Avatar

Vieira A

University of São Paulo

View shared research outputs
Top Co-Authors

Avatar

Erick H. Turner

National Institutes of Health

View shared research outputs
Top Co-Authors

Avatar

Michael A. Sherer

National Institutes of Health

View shared research outputs
Top Co-Authors

Avatar

Paul J. Schwartz

National Institutes of Health

View shared research outputs
Researchain Logo
Decentralizing Knowledge