Now showing items 1-10 of 395
New perspective on the pathophysiology of panic: merging serotonin and opioids in the periaqueductal gray
(Associação Brasileira de Divulgação Científica, 2012)
Panic disorder patients are vulnerable to recurrent panic attacks. Two neurochemical hypotheses have been proposed to explain this susceptibility. The first assumes that panic patients have deficient serotonergic inhibition ...
Prolactin response to the cold pressor test in patients with panic attacks
Recent advances in psychiatric nosology have provided a clearer clinical description of panic disorder and agoraphobia with panic attacks. This clinical improvement has yet to result in a better understanding of the basic ...
The hypothalamic-pituitary-adrenal axis in anxiety and panic
(Pontificia Universidade Católica do Rio de JaneiroUniversidade de BrasíliaUniversidade de São Paulo, 2010)
This review article focuses on the differential activation of the hypothalamic-pituitary-adrenal (HPA) axis in generalized anxiety and panic. The results of experimental studies that assayed adrenocorticotropic hormone, ...
Neurobiology of panic disorder: From animal models to brain neuroimaging
(PERGAMON-ELSEVIER SCIENCE LTD, 2008)
Evidence from animal models of anxiety has led to the hypothesis that serotonin enhances inhibitory avoidance (related to anxiety) in the forebrain, but inhibits one-way escape (panic) in the midbrain periaqueductal gray ...
Panic attacks in a patient treated with isotretinoin for acne. Report of one case Crisis de pánico en un paciente con acné tratado con isotretinoína. Caso clínico
The use of isotretinoin as a treatment for acne is related to psychiatric syndromes such as psychosis and depression. On the other hand, several drugs have been identified as causing panic attacks. A relationship between ...
Fighting by sleep-deprived rats as a possible manifestation of panic: effects of sodium lactate
(Associação Brasileira de Divulgação Científica (ABRADIC), 2014)
Unpredictable chronic prenatal stress and manifestation of generalized anxiety and panic in rat's offspring
Often the manifestation of anxiety cannot be explained by known environmental or hereditary factors. With this perspective, it has been reported that prenatal stress may lead to emotional disturbances in the offspring. ...
Potentiation of panic-like behaviors of the rat by subconvulsive doses of strychnine
(Elsevier B.V., 2004-01-01)
The present study was carried out to determine possible panicogenic effects of strychnine administered in subconvulsive doses to rats. Two experiments were conducted to assess two major features of panic in animal models: ...
Burden and Distress in Caregivers of Patients With Panic Disorder and Agoraphobia
(Lippincott Williams & Wilkins, 2017-01-01)
We estimated the prevalence, severity, and correlates of burden and distress in caregivers of patients with panic disorder and agoraphobia. The instruments used in this cross-sectional study with 40 caregivers and 40 ...