نتایج جستجو برای: primary somatosensory cortex

تعداد نتایج: 769020  

2014
Clemens C. C. Bauer Fernando A. Barrios José-Luis Díaz

In order to explore the neurobiological foundations of qualitative subjective experiences, the present study was designed to correlate objective third-person brain fMRI measures with subjective first-person identification and scaling of local, subtle, and specific somatosensory sensations, obtained directly after the imaging procedure. Thus, thirty-four volunteers were instructed to focus and s...

Journal: :NeuroImage 2002
S Laureys M E Faymonville P Peigneux P Damas B Lambermont G Del Fiore C Degueldre J Aerts A Luxen G Franck M Lamy G Moonen P Maquet

The persistent vegetative state (PVS) is a devastating medical condition characterized by preserved wakefulness contrasting with absent voluntary interaction with the environment. We used positron emission tomography to assess the central processing of noxious somatosensory stimuli in the PVS. Changes in regional cerebral blood flow were measured during high-intensity electrical stimulation of ...

2014
Andrew W. Carter Spencer C. Chen Nigel H. Lovell Richard M. Vickery John W. Morley

Integration of information by convergence of inputs onto sensory cortical neurons is a requisite for processing higher-order stimulus features. Convergence across defined peripheral input classes has generally been thought to occur at levels beyond the primary sensory cortex, however recent work has shown that this does not hold for the convergence of slowly-adapting and rapidly-adapting inputs...

Journal: :thrita 0
masoumeh kourosh arami department of basic sciences, faculty of allied medicine, iran university of medical sciences, tehran, ir iran; department of basic sciences, faculty of allied medicine, iran university of medical sciences, tehran, ir iran. tel: +98-2186704788 behnam jameie department of basic sciences, faculty of allied medicine, iran university of medical sciences, tehran, ir iran

context the current study aimed to review research articles concerning cortical representational plasticity following the manipulations of inputs. evidence acquisition this review article compromised previous studies in pubmed, google scholar and scientific information databases according to the keywords since 1988. results ca1 neurons depolarization paired with ca3 presynaptic input result in ...

Journal: :Journal of dental research 2008
K Kubo Y Shibukawa M Shintani T Suzuki T Ichinohe Y Kaneko

To elucidate the dental pulp-representing area in the human primary somatosensory cortex and the presence of A-beta fibers in dental pulp, we recorded somatosensory-evoked magnetic fields from the cortex in seven healthy persons using magnetoencephalography. Following non-painful electrical stimulation of the right maxillary first premolar dental pulp, short latency (27 ms) cortical responses o...

2016
Takayuki Yamashita Carl Ch Petersen

Goal-directed behavior involves distributed neuronal circuits in the mammalian brain, including diverse regions of neocortex. However, the cellular basis of long-range cortico-cortical signaling during goal-directed behavior is poorly understood. Here, we recorded membrane potential of excitatory layer 2/3 pyramidal neurons in primary somatosensory barrel cortex (S1) projecting to either primar...

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