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Decreased left temporal lobe volume of panic patients measured by magnetic resonance imaging
Provedor de dados: 56
Autores: Uchida,R.R.; Del-Ben,C.M.; Santos,A.C.; Araújo,D.; Crippa,J.A.; Guimarães,F.S.; Graeff,F.G.
Reported neuroimaging studies have shown functional and morphological changes of temporal lobe structures in panic patients, but only one used a volumetric method. The aim of the present study was to determine the volume of temporal lobe structures in patients with panic disorder, measured by magnetic resonance imaging. Eleven panic patients and eleven controls matched for age, sex, handedness, socioeconomic status and years of education participated in the study. The mean volume of the left temporal lobe of panic patients was 9% smaller than that of controls (t21 = 2.37, P = 0.028). In addition, there was a trend (P values between 0.05 and 0.10) to smaller volumes of the right temporal lobe (7%, t21 = 1.99, P = 0.06), right amygdala (8%, t21 = 1.83, P =...
Tipo: Info:eu-repo/semantics/other
Palavras-chave: Panic disorder; Temporal lobe; Magnetic resonance imaging; Volumetric analysis.
Ano: 2003
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2003000700014

The size and prevalence of the cavum septum pellucidum are normal in subjects with panic disorder
Provedor de dados: 56
Autores: Crippa,J.A.S.; Uchida,R.; Busatto,G.F.; Guimarães,F.S.; Del-Ben,C.M.; Zuardi,A.W.; Santos,A.C.; Araújo,D.; McGuire,P.K.; Graeff,F.G.
Panic disorder is thought to involve dysfunction in the septohippocampal system, and the presence of a cavum septum pellucidum might indicate the aberrant development of this system. We compared the prevalence and size of cavum septum pellucidum in 21 patients with panic disorder and in 21 healthy controls by magnetic resonance imaging. The length of the cavum septum pellucidum was measured by counting the number of consecutive 1-mm coronal slices in which it appeared. A cavum septum pellucidum of &gt;6 mm in length was rated as large. There was no significant difference in the proportion of patients (16 of 21 or 76.2%) and controls (18 of 21 or 85.7%) with a cavum septum pellucidum (P = 0.35, Fisher's exact test, one-tailed), and no members of either...
Tipo: Info:eu-repo/semantics/other
Palavras-chave: Cavum septum pellucidum; Panic disorder; Neuroimaging; Magnetic resonance imaging.
Ano: 2004
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2004000300013

Proton magnetic resonance spectroscopy of the frontal, cingulate and perirolandic cortices and its relationship to skin conductance in patients with schizophrenia
Provedor de dados: 56
Autores: Sanches,R.F.; Crippa,J.A.S.; Hallak,J.E.C.; de Sousa,J.P.M.; Araújo,D.; Santos,A.C.; Zuardi,A.W.
The aim of the present study was to determine whether specific subgroups of schizophrenic patients, grouped according to electrodermal characteristics, show differences in the N-acetylaspartate/creatine plus choline (NAA / (Cr + Cho)) ratios in the frontal, cingulate and perirolandic cortices. Skin conductance levels (SCL) and skin conductance responses to auditory stimulation were measured in 38 patients with schizophrenia and in the same number of matched healthy volunteers (control). All subjects were submitted to multivoxel proton magnetic resonance spectroscopic imaging. When compared to the control group, patients presented significantly lower NAA / (Cr + Cho) ratios in the right dorsolateral prefrontal cortex (schizophrenia = 0.95 ± 0.03; control =...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Magnetic resonance spectroscopy; Skin conductance; Schizophrenia; N-acetylaspartate; Cingulate region; Dorsolateral prefrontal cortex.
Ano: 2008
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2008001200015