نتایج جستجو برای: anterior cingulate cortex
تعداد نتایج: 257456 فیلتر نتایج به سال:
Clinical studies of cingulotomy patients and imaging studies predict that the human cingulate gyrus might display pain-related activity. We now report potentials evoked by painful cutaneous stimulation with a CO2 laser (LEP) and recorded from subdural electrodes over the medial wall of the hemisphere. In response to facial laser stimulation on both sides, a negative (latency 211-242 ms) and the...
Zen meditation has been associated with low sensitivity on both the affective and the sensory dimensions of pain. Given reports of gray matter differences in meditators as well as between chronic pain patients and controls, the present study investigated whether differences in brain morphometry are associated with the low pain sensitivity observed in Zen practitioners. Structural MRI scans were...
OBJECTIVE To determine functional connectivity of the default mode network in patients with sensorineural hearing loss (SNHL) in resting state. METHODS The posterior cingulate cortex was selected as a seed for assessment of functional connectivity of the activated brain areas in resting state by using a seed-based correlation analysis of the resting state functional magnetic resonance imaging...
The contribution of anterior and posterior cingulate cortical areas to spatial learning and memory was examined in 4 experiments using the place-navigation task. Rats with complete bilateral cingulate cortex aspiration or aspiration of posterior cingulate cortex (area 29) alone could not swim directly to a hidden platform located in a fixed place. When animals with these lesions were tested for...
Imbalances in the corticosteroid milieu result in reductions in hippocampal volume in humans and experimental rodents. The functional correlates of these changes include deficits in cognitive performance and regulation of the hypothalamic-pituitary-adrenal axis. Since other limbic structures which are intricately connected with the hippocampal formation, also play an important role in behaviour...
BACKGROUND The neural mechanisms underlying the modulation of pain perception by hypnosis remain obscure. In this study, we used positron emission tomography in 11 healthy volunteers to identify the brain areas in which hypnosis modulates cerebral responses to a noxious stimulus. METHODS The protocol used a factorial design with two factors: state (hypnotic state, resting state, mental imager...
Self-compassion is an important emotion regulation strategy predicting positive psychological health and fewer psychopathological problems, but little known about its structural neural basis. In the current study, we investigated neurostructural correlates of dispositional self-compassion components using voxel-based morphometry (VBM). We found that was inversely correlated with gray matter vol...
OBJECTIVE In patients with long-standing diabetes mellitus (DM), there is increasing evidence for abnormal processing of gastrointestinal sensations in the central nervous system. Using magnetic resonance diffusion tensor imaging, we characterized brain microstructure in areas involved in visceral sensory processing and correlated these findings to clinical parameters. RESEARCH DESIGN AND MET...
Insulin resistance (IR) and related disorders, such as T2DM, increase the risk of major depressive disorder (MDD) vice versa. Current evidence indicates that psychological stress overeating can induce chronic low-grade inflammation interfere with glutamate metabolism in MDD well insulin signaling, particularly atypical subtype. Here we first review interactive role inflammatory processes develo...
OBJECTIVE The Social Responsiveness Scale-Adult Version (SRS-A) measures autistic traits that are continuously distributed in the general population. Based on increased recognition of the dimensional nature of autistic traits, the authors examined the neural correlates of these traits in neurotypical individuals using the SRS-A and established a novel approach to assessing the neural basis of a...
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