نتایج جستجو برای: urbach wiethe
تعداد نتایج: 420 فیلتر نتایج به سال:
Numerous neuroimaging studies have strongly implicated the amygdala in dreaming. Various neuropsychological dream theories propose roles for the amygdala in dreaming (particularly in the generation of dream affect), however little empirical research on its function in dreaming exists. Urbach Wiethe Disease is a very rare genetic condition which leads to calcification of the amygdala over time. ...
Neurobiological evidence implicates the amygdala as well as serotonergic (serotonin, 5-HT) signaling via postsynaptic 5-HT(2A) receptors as essential substrates of anxiety behaviors. Assuming a functional interdependence of these substrates, we hypothesized that a low-fear behavioral phenotype due to bilateral lesion of the amygdala would be associated with significant 5-HT(2A) receptor changes...
Amygdala control of emotion-induced forgetting and remembering: evidence from Urbach-Wiethe disease.
When presented in a neutral context, emotional items interfere with episodic encoding of temporally contiguous non-emotional items, resulting in dissociable valence-dependent retrograde and arousal-dependent anterograde modulatory effects. By studying two rare patients with congenital lipoid proteinosis (Urbach-Wiethe) and a focal disease emphasis on the basolateral amygdala (BLA), we demonstra...
Patients with Urbach-Wiethe disease constitute a unique nature experiment as more than half have bilaterally symmetrical damage in the amygdaloid region. Ten such patients were studied neuropsychologically and, nine of them, neuroradiologically with static (CT) and functional imaging techniques [single-photon emission computed tomography (SPECT) and PET]. Their principal bilateral amygdala dama...
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