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Moreover, increased activity during sexual motivation, hunger and aggression has been seen [50]. VMB is based on locally-averaged GM segmentations and is therefore sensitive to the inaccuracies of tissue-type classification and arbitrary smoothing extents [30] , [51] — [53]. Conclusion In spite of the growing interest of cerebral correlates in sexual behavior, male sexual dysfunctions have received poor attention. Open in a separate window.

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In this study, we determined the presence of grey matter GM atrophy patterns in subcortical structures such as amygdala, hippocampus, nucleus accumbens, caudate nucleus, putamen, pallidum, thalamus, and hypothalamus in patients with psychogenic ED and healthy men. Neurosci Biobehav Rev. Additionally, normal nocturnal and morning erections was evaluated by the Rigiscan device during three consecutive nights, while, normal penile hemodynamics was assessed using color Doppler Sonography. The diagnostic evaluation of psychogenic erectile dysfunction Generalized type was performed by means of a physical examination with particular emphasis on the genitourinary, endocrine, vascular and neurological systems. Is it legal for her to look at herself naked in the mirror. In this way, the local shape changes was directly assessed by analysing vertex locations and by looking at the differences in mean vertex position between controls and patients groups. Taken together, these studies show that bilateral lesions of medial preoptic nucleus and the anterior hypothalamus impair sexual motivation in rats [40] , [47] , [49].

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Normal nocturnal erection was also verified in the controls. Pleasure rather than salience activates human nucleus accumbens and medial prefrontal cortex. The alterations of subcortical structures taken together with previous functional neuroimaging evidences shed new light on the complex phenomenon of sexual dysfunction in men. Patterns of sexual arousal.

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Description: Combining shape and connectivity analysis. According to Ferretti and colleagues [4] the hypothalamus can be brain area that triggers the erectile response evoked by erotic clips. After Rigiscan evaluation, urological, general medical, metabolic and hormonal, psychological and psychiatric assessment, 17 outpatients with psychogenic ED and 25 healthy controls were recruited for structural MRI session. Significant GM atrophy of nucleus accumbens was observed bilaterally in patients with respect to controls. In spite of the growing interest of cerebral correlates in sexual behavior, male sexual dysfunctions have received poor attention. The role of oxytocin and the paraventricular nucleus in the sexual behaviour of male mammals.
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