نتایج جستجو برای: sensory thresholds

تعداد نتایج: 126041  

Journal: :Occupational and environmental medicine 1997
T Kovala E Matikainen T Mannelin J Erkkilä V Riihimäki H Hänninen A Aitio

OBJECTIVES Assessment of neurophysiological functions in workers with low level exposure to lead and evaluation of the efficacy of bone lead measurements in the prediction of effects of lead. METHODS Exposure to lead of 60 workers from a lead battery battery factory was estimated from historical blood lead measurements and analysis of lead in the tibial and calcaneal bones with x ray fluoresc...

2015
Benita Kuni Haili Wang Markus Rickert Volker Ewerbeck Marcus Schiltenwolf

BACKGROUND AND PURPOSE Pain sensitization may be one of the reasons for persistent pain after technically successful joint replacement. We analyzed how pain sensitization, as measured by quantitative sensory testing, relates preoperatively to joint function in patients with osteoarthritis (OA) scheduled for joint replacement. PATIENTS AND METHODS We included 50 patients with knee OA and 49 wi...

Journal: :Brain : a journal of neurology 2003
F M Molloy T D Carr K E Zeuner J M Dambrosia M Hallett

Sensory processing is impaired in focal hand dystonia (FHD), with most previous studies having evaluated only the symptomatic limb. The purpose of this study was to establish whether the sensory system is affected in other types of dystonias and whether the contralateral hand is also involved in FHD. We used a spatial acuity measure (Johnson-Van Boven-Phillips domes) to evaluate sensory spatial...

Journal: :PloS one 2015
Karl J Hollensteiner Florian Pieper Gerhard Engler Peter König Andreas K Engel

During the last two decades ferrets (Mustela putorius) have been established as a highly efficient animal model in different fields in neuroscience. Here we asked whether ferrets integrate sensory information according to the same principles established for other species. Since only few methods and protocols are available for behaving ferrets we developed a head-free, body-restrained approach a...

2010
Leslie D. Kwakye Jennifer H. Foss-Feig Carissa J. Cascio Wendy L. Stone Mark T. Wallace

Autism spectrum disorders (ASD) are characterized by deficits in social reciprocity and communication, as well as by repetitive behaviors and restricted interests. Unusual responses to sensory input and disruptions in the processing of both unisensory and multisensory stimuli also have been reported frequently. However, the specific aspects of sensory processing that are disrupted in ASD have y...

Journal: :Advances in physiology education 2010
Johann P Kuhtz-Buschbeck Wiebke Andresen Stephan Göbel René Gilster Carsten Stick

About four decades ago, Perl and collaborators were the first ones who unambiguously identified specifically nociceptive neurons in the periphery. In their classic work, they recorded action potentials from single C-fibers of a cutaneous nerve in cats while applying carefully graded stimuli to the skin (Bessou P, Perl ER. Response of cutaneous sensory units with unmyelinated fibers to noxious s...

Journal: :Pain 2001
O Rommel J P Malin M Zenz W Jänig

Based on bed-side neurological testing, it has recently been shown that 33% of chronic complex regional pain syndrome (CRPS) type I patients exhibit sensory impairments, which extend past the painful area of the affected limb in a hemisensory distribution (Pain, 80 (1999) 95). In the present study, the clinically observed changes in touch and temperature sensations on the side of the body ipsil...

2016
Hendrik Strumpf Toemme Noesselt Mircea Ariel Schoenfeld Jürgen Voges Patricia Panther Joern Kaufmann Hans-Jochen Heinze Jens-Max Hopf

The parapontine nucleus of the thalamus (PPN) is a neuromodulatory midbrain structure with widespread connectivity to cortical and subcortical motor structures, as well as the spinal cord. The PPN also projects to the thalamus, including visual relay nuclei like the LGN and the pulvinar. Moreover, there is intense connectivity with sensory structures of the tegmentum in particular with the supe...

2000
G Holtmann J Gschossmann J Neufang-Hüber G Gerken N J Talley

Background—Abnormal visceral mechanosensory function has been reported in 50% of non-ulcer (functional) dyspepsia patients. However, only a minority of subjects with functional dyspepsia ever seek medical attention. Whether factors promoting health care seeking behaviour explain visceral hypersensitivity is unknown. Decreased rectal thresholds following sigmoid mechanical stimulation have been ...

Journal: :Journal of neurology, neurosurgery, and psychiatry 1992
A W Chan I A MacFarlane D Bowsher J A Campbell

A simple device is described, consisting of 12 weighted 23 gauge disposable needles (0.2 to 5.2 g), for testing sensation in busy diabetic clinics. The pinprick sensory threshold (PPT) is the lightest weighted needle which consistently elicits a sharp sensation. The subjects were 48 healthy controls (hospital staff), 44 diabetic patients without neuropathic symptoms, and 35 diabetic patients wi...

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