Influence of visually guided tracking arm movements on single cell activity in area MT.

abstract：:Electron microscopic examination of the monkey lateral geniculate nucleus, pars dorsalis (LGNd) reveals the occurrence of synaptic contacts between profiles belonging to interneurons (I-cells). Almost all combinations are observed, namely, axodendritic, dendrodendritic, dendrosomatic and somatodendritic, the most freq...

journal_title：Experimental brain research

authors： Pasik P,Pasik T,Hámori J

更新日期：1976-05-10 00:00:00

abstract：:Many activities of daily living involve multi-digit, voluntary rotational manipulations of grasped objects. Yet, only a few studies have focused on coordination of individual fingertip forces during such tasks. The objective of this study was to investigate individual digit contributions to a three-digit task in which...

journal_title：Experimental brain research

authors： Manis RP,Santos VJ

更新日期：2015-07-01 00:00:00

abstract：:Responses to binocular visual stimulation were compared in cortical area 18 of normal cats and in cats in which one eye was exodeviated by surgery early in postnatal life. In contrast to normal cats where most units (58%) were binocularly activated, relatively few units (10%) in strabismic cats were activated well by ...

journal_title：Experimental brain research

authors： Cynader M,Gardner JC,Mustari M

更新日期：1984-01-01 00:00:00

abstract：:Size constancy is the ability to perceive objects as remaining constant in size regardless of their distance from the observer. Emmert's law demonstrates that viewing distance determines the perceived size of afterimages according to the amount of depth cues that are available. Using an afterimage paradigm, we examine...

journal_title：Experimental brain research

authors： Millard AS,Sperandio I,Chouinard PA

更新日期：2020-04-01 00:00:00

abstract：:Pyramidal cell structure varies systematically in occipitotemporal visual areas in monkeys. The dendritic trees of pyramidal cells, on average, become larger, more branched and more spinous with progression from the primary visual area (V1) to the second visual area (V2), the fourth (V4, or dorsolateral DL visual area...

journal_title：Experimental brain research

authors： Elston GN,Benavides-Piccione R,Elston A,DeFelipe J,Manger P

更新日期：2005-12-01 00:00:00

abstract：:Microscopic illumination of two neighbouring photoreceptor cells within a single ommatidium induces a strong sequence-dependent response in a directionally selective, motion-sensitive neuron. The response is characterized by a strong facilitation in the preferred direction and a weaker inhibition in the reverse direct...

journal_title：Experimental brain research

authors： Riehle A,Franceschini N

更新日期：1984-01-01 00:00:00

abstract：:We studied 12 patients with Parkinson's disease (PD): 6 with postural instability (Hoehn and Yahr Stage 3) and 6 without (Stage 2 or 2.5), using a quantitative test based on the clinical pull test. Their findings were compared with those for 12 healthy controls. The patients on their usual medications were pulled eith...

journal_title：Experimental brain research

authors： Colebatch JG,Govender S

更新日期：2019-07-01 00:00:00

abstract：:We investigated the relationships between cortical arousal and cholinergic facilitation of evoked responses in the auditory cortex. The basal forebrain (BF) was stimulated unilaterally, while cluster recordings were obtained simultaneously from both auditory cortices in urethane-anesthetized rats. The global electroen...

journal_title：Experimental brain research

authors： Edeline JM,Hars B,Maho C,Hennevin E

更新日期：1994-01-01 00:00:00

abstract：:When two target elements are presented in close proximity, the endpoint of a saccade is generally positioned at an intermediate location ('global effect'). Here, we investigated whether the global effect also occurs for eye movements executed to distracting elements. To this end, we adapted the oculomotor capture para...

journal_title：Experimental brain research

authors： Van der Stigchel S,de Vries JP,Bethlehem R,Theeuwes J

更新日期：2011-04-01 00:00:00

abstract：:Pontine omnipause neurons (OPNs) have so far been considered as forming a homogeneous group of neurons whose tonic firing stops during the duration of saccades, when the head is immobilized. In cats, they pause for the total duration of gaze shifts, when the head is free to move. In the present study, carried out on a...

journal_title：Experimental brain research

authors： Petit J,Klam F,Grantyn A,Berthoz A

更新日期：1999-04-01 00:00:00

abstract：:Neurons responding to deep or cutaneous stimuli are situated in different parts of the ventrobasal complex. Within the cutaneous region elongated clusters of cells with common place and modality properties project to single columns in the somatic sensory cortex. The present study sought to determine to what extent sin...

journal_title：Experimental brain research

authors： Rainey WT,Jones EG

更新日期：1983-01-01 00:00:00

abstract：:The results of this study show that the different receptive fields of multisensory neurons in the cortex of the cat anterior ectosylvian sulcus (AES) were in spatial register, and it is this register that determined the manner in which these neurons integrated multiple sensory stimuli. The functional properties of mul...

journal_title：Experimental brain research

authors： Wallace MT,Meredith MA,Stein BE

更新日期：1992-01-01 00:00:00

abstract：:When sight-reading a piece of music the eyes constantly scan the score slightly ahead of music execution. This separation between reading and acting is commonly termed eye-hand span and can be expressed in two ways: as anticipation in notes or in time. Previous research, predominantly in piano players, found skill-dep...

journal_title：Experimental brain research

authors： Wurtz P,Mueri RM,Wiesendanger M

更新日期：2009-04-01 00:00:00

abstract：:Evidence suggests that there are positive effects of exercise on learning and memory. Moreover, some studies have demonstrated that forced exercise plays the role of a stressor. This study was aimed at investigating the effects of different timing of exercise and exercise withdrawal on memory, and serum and hippocampa...

journal_title：Experimental brain research

authors： Radahmadi M,Alaei H,Sharifi MR,Hosseini N

更新日期：2015-10-01 00:00:00

abstract：:Does the brain use a separate internal model for cursor mechanics during visuomotor adaptation? We compared the amount of adaptation and transfer to the opposite arm when subjects reached the targets under different viewing conditions of the arm during reaching. If the brain forms separate models, we predict a differe...

journal_title：Experimental brain research

authors： Balitsky Thompson AK,Henriques DY

更新日期：2010-05-01 00:00:00

abstract：:We have investigated the visual responses of 184 single units located in the superficial layers of the optic tectum (OT) of the decerebrate, paralysed pigeon. Visual responses were similar to those reported in non-decerebrate preparations; most units responded best to moving visual stimuli, 18% were directionally sele...

journal_title：Experimental brain research

authors： Knox PC,Whalley HC

更新日期：1997-10-01 00:00:00

abstract：:We recently described an area in the ferret posterior suprasylvian (PSS) cortex characterized by a high proportion of direction selective neurons. To answer the question whether area PSS subserves functions similar to cat posteromediolateral suprasylvian area (PMLS) and monkey medial temporal area (MT) we investigated...

journal_title：Experimental brain research

authors： Hupfeld D,Distler C,Hoffmann KP

更新日期：2007-10-01 00:00:00

abstract：:Lateral and medial thalamus are traditionally thought to have separate roles in pain processing, with lateral lemniscal regions transmitting discriminative information about location and intensity, while medial nonspecific regions are involved in emotional responses. Contrary to this view, the present study shows that...

journal_title：Experimental brain research

authors： Bushnell MC,Duncan GH

更新日期：1989-01-01 00:00:00

abstract：:This investigation was designed to study the effects of post-activation depression in different spinal pathways fed by group I afferents available to investigation in human subjects. It was precipitated by a recent investigation in the cat showing that-contrary to the general assumption-post-activation depression is n...

journal_title：Experimental brain research

authors： Lamy JC,Wargon I,Baret M,Ben Smail D,Milani P,Raoul S,Pénicaud A,Katz R

更新日期：2005-10-01 00:00:00

abstract：:The effects of visual contextual illusions on motor behaviour vary largely between experimental conditions. Whereas it has often been reported that the effects of illusions on pointing and grasping are largest when the movement is performed some time after the stimulus has disappeared, the effect of a delay has hardly...

journal_title：Experimental brain research

authors： de Brouwer AJ,Brenner E,Smeets JB

更新日期：2016-04-01 00:00:00

abstract：:The content of calcitonin gene-related peptide-like immunoreactivity (CGRP-LI) in motoneurons was studied in four motor pools supplying muscles in the rat hind limb subserving different types of motor activity. The motor pools were identified by retrograde labeling with horseradish peroxidase or fluorophore-conjugated...

journal_title：Experimental brain research

authors： Piehl F,Arvidsson U,Hökfelt T,Cullheim S

更新日期：1993-01-01 00:00:00

abstract：:We investigated the post-train effects of repetitive transcranial magnetic stimulation (rTMS) on motor evoked potential (MEP) size and cortical silent period (SP) duration. rTMS was delivered over the primary motor cortex in trains of 5, 10, 20, 40 and 60 stimuli in normal subjects at rest and in trains of 5, 10 and 2...

journal_title：Experimental brain research

authors： Gilio F,Conte A,Vanacore N,Frasca V,Inghilleri M,Berardelli A

更新日期：2007-02-01 00:00:00

abstract：:Prior studies have shown that procedural learning is severely impaired in patients with diffuse cerebellar damage (cortical degeneration) as measured by the serial reaction time task (SRTT). We hypothesize that focal cerebellar lesions can also have lateralized effects on procedural learning. Our objective was to asse...

journal_title：Experimental brain research

authors： Gómez-Beldarrain M,García-Moncó JC,Rubio B,Pascual-Leone A

更新日期：1998-05-01 00:00:00

abstract：:In order to assess the effects of [K+]o on the passive membrane properties of neostriatal neurons, the cable properties of these cells were determined at two extracellular potassium concentrations (6.25 and 3.0 mM). The effect of tetraethylammonium (TEA) on cable properties was also studied at 6.25 [K+]o. At 6.25 mM [...

journal_title：Experimental brain research

authors： Bargas J,Galarraga E,Aceves J

更新日期：1988-01-01 00:00:00

abstract：:Primary gaze fixation is never perfectly stable but can be interrupted by involuntary, conjugate saccadic intrusions (SI). SI have a high prevalence in the normal population and are characterised by a horizontal fast eye movement away from the desired eye position, followed, after a variable duration, by a return sacc...

journal_title：Experimental brain research

authors： Gowen E,Abadi RV

更新日期：2005-07-01 00:00:00

abstract：:Experimental neurogenic tumors were induced transplacentally in rats by single injections of ethylnitrosourea (ENU). The resulting primary tumors as well as isogenic transplantation tumor lines and clonal cell lines derived therefrom were examined for their content of the brain specific protein 14-3-2 by a quantitativ...

journal_title：Experimental brain research

authors： Braun M,Grasso A,Wechsler W

更新日期：1976-05-10 00:00:00

abstract：:The purpose of this study was to compare the asymmetric gait induced by unilateral spinal cord injury in chicks with asymmetric gaits of other bipeds and quadrupeds. After lateral hemisection of the left thoracic spinal cord, kinetic (ground reaction forces) and kinematic (distance and timing) data were recorded as ch...

journal_title：Experimental brain research

authors： Muir GD,Katz SL,Gosline JM,Steeves JD

更新日期：1998-10-01 00:00:00

abstract：:A total of ten alpha motor axons which innervated the peroneus brevis muscle were isolated in two cynomolgus monkeys. In each experiment, the isolated alpha axons were stimulated collectively to deplete glycogen from their muscle units. The muscle was then frozen quickly , cut serially, and stained for glycogen. Of th...

journal_title：Experimental brain research

authors： Murthy KS,Letbetter WD,Eidelberg E,Cameron WE,Petit J

更新日期：1982-01-01 00:00:00

abstract：:Long-range tactile masking has been reported between mirror symmetric body locations. This suggests a general principle of contralateral inhibition between corresponding points on each side of the body that may serve to enhance distinguishing touches on the two halves of the body. Do such effects occur before or after...

journal_title：Experimental brain research

authors： D'Amour S,Harris LR

更新日期：2016-02-01 00:00:00

abstract：:This report describes two models of human behavior when detecting displacements of joints that allow one to compare and integrate findings from different proprioception tests in a quantitative way. Results from various tests have led to different and often conflicting conclusions about proprioceptive behaviors and the...

journal_title：Experimental brain research

authors： Clark FJ,Deffenbacher KA

更新日期：1996-12-01 00:00:00