Relationship between visual and tactile representations in cat superior colliculus.

abstract：:We used the framework of the uncontrolled manifold (UCM) hypothesis to explore changes in the structure of variability in multifinger force-production tasks when a secondary task was introduced. Healthy young subjects produced several levels of the total force by pressing with the four fingers of the hand on force sen...

journal_title：Journal of neurophysiology

authors： Zhang W,Scholz JP,Zatsiorsky VM,Latash ML

更新日期：2008-02-01 00:00:00

abstract：:Interhemispheric interactions through the corpus callosum play an important role in the control of bimanual forces. However, the extent to which physiological connections between primary motor cortices are modulated during increasing levels of bimanual force generation in intact humans remains poorly understood. Here ...

journal_title：Journal of neurophysiology

authors： Long J,Tazoe T,Soteropoulos DS,Perez MA

更新日期：2016-03-01 00:00:00

abstract：:Previous studies of visual processing in humans using event-related potentials (ERPs) have demonstrated that task-related modulations of an early component called the "N1" wave (140-200 ms) reflect the operation of a voluntary discrimination process. Specifically, this component is larger in tasks requiring target dis...

journal_title：Journal of neurophysiology

authors： Hopf JM,Vogel E,Woodman G,Heinze HJ,Luck SJ

更新日期：2002-10-01 00:00:00

abstract：:Increasing evidence demonstrates that modulating the cGMP-dependent protein kinase G (PKG) pathway produces an array of behavioral phenotypes in the fruit fly, Drosophila melanogaster. Altering PKG activity, either genetically via the foraging (for) gene or using pharmacology modifies tolerance to acute abiotic stress...

journal_title：Journal of neurophysiology

authors： Caplan SL,Milton SL,Dawson-Scully K

更新日期：2013-02-01 00:00:00

abstract：:Octopus arms, as well as other muscular hydrostats, are characterized by a very large number of degrees of freedom and a rich motion repertoire. Over the years, several attempts have been made to elucidate the interplay between the biomechanics of these organs and their control systems. Recent developments in electrop...

journal_title：Journal of neurophysiology

authors： Yekutieli Y,Mitelman R,Hochner B,Flash T

更新日期：2007-09-01 00:00:00

abstract：:Vestibuloocular reflex performance and adaptation were examined during vestibulocerebellar inactivation by localized lidocaine microdialysis or injection in goldfish. In the light, eye velocity perfectly compensated for head velocity (Vis-VOR) during sinusoidal yaw rotation (1/8 Hz +/- 20 degrees). In the dark, the re...

journal_title：Journal of neurophysiology

authors： McElligott JG,Beeton P,Polk J

更新日期：1998-03-01 00:00:00

abstract：:Sensory areas should be adapted to the properties of their natural stimuli. What are the underlying rules that match the properties of complex cells in primary visual cortex to their natural stimuli? To address this issue, we sampled movies from a camera carried by a freely moving cat, capturing the dynamics of image ...

journal_title：Journal of neurophysiology

authors： Körding KP,Kayser C,Einhäuser W,König P

更新日期：2004-01-01 00:00:00

abstract：:The intermediate and deep layers of the monkey superior colliculus (SC) are known to be important for the generation of saccadic eye movements. Recent studies have also provided evidence that the rostral SC might be involved in the control of pursuit eye movements. However, because rostral SC neurons respond to visual...

journal_title：Journal of neurophysiology

authors： Krauzlis RJ

更新日期：2001-11-01 00:00:00

abstract：:Substance P initiates locomotion when injected in the brain stem of mammals. This study examined the possible role of this peptide on the supraspinal locomotor command system in lampreys. Substance P was bath applied or locally injected into an in vitro isolated brain stem, and the effects of the drug were examined on...

journal_title：Journal of neurophysiology

authors： Brocard F,Bardy C,Dubuc R

更新日期：2005-04-01 00:00:00

abstract：:There is mounting evidence for the idea that performance in a visuomotor rotation task can be supported by both implicit and explicit forms of learning. The implicit component of learning has been well characterized in previous experiments and is thought to arise from the adaptation of an internal model driven by sens...

journal_title：Journal of neurophysiology

authors： Bond KM,Taylor JA

更新日期：2015-06-01 00:00:00

abstract：:1. The selectivity of adaptation to unidirectional motion was examined in neurons of the cat striate cortex. Following prolonged stimulation with a unidirectional high-contrast grating, the responsivity of cortical neurons was reduced. In many units this decrease was restricted to the direction of prior stimulation. T...

journal_title：Journal of neurophysiology

authors： Marlin SG,Hasan SJ,Cynader MS

更新日期：1988-04-01 00:00:00

abstract：:Stress-related alterations to the induction of hippocampal synaptic plasticity have been implicated in certain forms of psychiatric disorders. However, relatively little is known about such changes in other psychiatric disorders-related structures. We tested this possibility in one of such structures, the nucleus accu...

journal_title：Journal of neurophysiology

authors： Hugues S,Kessal K,Hunt MJ,Garcia R

更新日期：2003-11-01 00:00:00

abstract：:The vestibular system operates in a push-pull fashion using signals from both labyrinths and an intricate bilateral organization. Unilateral vestibular lesions cause well-characterized motor deficits that are partially compensated over time and whose neural correlates have been traced in the mean response modulation o...

journal_title：Journal of neurophysiology

authors： Yu XJ,Thomassen JS,Dickman JD,Newlands SD,Angelaki DE

更新日期：2014-08-15 00:00:00

abstract：:A consistent feature of animal locomotion is the capacity to maintain stable movements in changing environments. Here we describe long-term modification of the swing movement of the hind leg in cats in response to repeatedly impeding the movement of the leg. While studying phase transitions in the hind legs, we discov...

journal_title：Journal of neurophysiology

authors： McVea DA,Pearson KG

更新日期：2007-01-01 00:00:00

abstract：:1. Intracellular recordings from neostriatal neurons in an in vitro slice preparation of the rat brain were used to analyze the pharmacological sensitivity of the action potential (AP) repolarization and the afterhyperpolarization (AHP) that follows a single action potential. The interspike voltage trajectory and the ...

journal_title：Journal of neurophysiology

authors： Pineda JC,Galarraga E,Bargas J,Cristancho M,Aceves J

更新日期：1992-07-01 00:00:00

abstract：:Nerve injury induces a reorganization of subcortical and cortical sensory or motor maps in mammals. A similar process, vestibular plasticity 2 mo after unilateral section of the ramus anterior of N. VIII was examined in this study in adult frogs. The brain was isolated with the branches of both N. VIII attached. Monos...

journal_title：Journal of neurophysiology

authors： Goto F,Straka H,Dieringer N

更新日期：2001-06-01 00:00:00

abstract：:Neurons in the primate extrastriate cortex are highly selective for complex stimulus features such as faces, objects, and motion patterns. One explanation for this selectivity is that neurons in these areas carry out sophisticated computations on the outputs of lower-level areas such as primary visual cortex (V1), whe...

journal_title：Journal of neurophysiology

authors： Tsui JM,Hunter JN,Born RT,Pack CC

更新日期：2010-06-01 00:00:00

abstract：:1. We present a new mathematical description of the complete distribution of electrical responses to stochastic synaptic activity (quantal analysis) that is intended as a model of experiments on central neuronal synapses. Unlike previous treatments, this distribution is calculated for each instant after the release of...

journal_title：Journal of neurophysiology

authors： Blum KI,Idiart MA

更新日期：1994-09-01 00:00:00

abstract：:Two forms of undulatory locomotion in the lamprey (a lower vertebrate) have been described earlier: fast forward swimming (FFS) used for long distance migrations and slow backward swimming (SBS) used for escape from adverse tactile stimuli. In the present study, we describe another form of escape behavior: slow forwar...

journal_title：Journal of neurophysiology

authors： Islam SS,Zelenin PV

更新日期：2008-01-01 00:00:00

abstract：:Electrical stimulation of the median nerve at the wrist may elicit a blink reflex [hand blink reflex (HBR)] mediated by a neural circuit at brain stem level. As, in a Sherringtonian sense, the blink reflex is a defensive response, in a series of experiments we tested, in healthy volunteers, whether and how the HBR is ...

journal_title：Journal of neurophysiology

authors： Sambo CF,Liang M,Cruccu G,Iannetti GD

更新日期：2012-02-01 00:00:00

abstract：:Recent findings indicate that monkeys can report their confidence in perceptual decisions and that this information is encoded in neurons involved in making decisions, including the lateral intraparietal area (LIP) and the supplementary eye field (SEF). A key issue to consider when studying confidence is that decision...

journal_title：Journal of neurophysiology

authors： Grimaldi P,Cho SH,Lau H,Basso MA

更新日期：2018-11-01 00:00:00

abstract：:Spatial and temporal properties of LGN receptive fields were studied by flashing a small bar of light across the field in 28 discrete steps. The flashes at each of the spatial positions were used to produce 28 PST histograms. These histograms were in turn displayed as a plane, with space on the chi axis, time on the p...

journal_title：Journal of neurophysiology

authors： Stevens JK,Gerstein GL

更新日期：1976-03-01 00:00:00

abstract：:1. Depolarization-induced elevations of intracellular calcium concentration ([Ca2+]i) were examined in slice-cultured hippocampal pyramidal and nonpyramidal cells of the CA3 region by combined intracellular and multisite fura-2 recording techniques. 2. In pyramidal cells, spiking activity induced by depolarizing curre...

journal_title：Journal of neurophysiology

authors： Knöpfel T,Gähwiler BH

更新日期：1992-09-01 00:00:00

abstract：:Hippocampal neurons show a strong modulation by theta frequency oscillations. This modulation is thought to be important not only for temporal encoding and decoding of information in the hippocampal system, but also for temporal ordering of neuronal activities on timescales at which physiological mechanisms of synapti...

journal_title：Journal of neurophysiology

authors： Deshmukh SS,Yoganarasimha D,Voicu H,Knierim JJ

更新日期：2010-08-01 00:00:00

abstract：:In the hippocampus, the calcium-binding protein parvalbumin (PV) is expressed in interneurons that innervate perisomatic regions. PV in GABAergic synaptic terminals was proposed to limit repetitive GABA release by buffering of "residual calcium." We assessed the role of presynaptic PV in Ca(2+)-dependent GABA release ...

journal_title：Journal of neurophysiology

authors： Vreugdenhil M,Jefferys JG,Celio MR,Schwaller B

更新日期：2003-03-01 00:00:00

abstract：:The effect of a conditioning depolarizing current pulse (80-200 micros) on quantal secretion evoked by a similar test pulse at another site was examined in visualized motor-nerve terminal branches of amphibian endplates (Bufo marinus). Tetrodotoxin (200 nM) and cadmium (50 microM) were used to block voltage-dependent ...

journal_title：Journal of neurophysiology

authors： Macleod GT,Farnell L,Gibson WG,Bennett MR

更新日期：1999-03-01 00:00:00

abstract：:Accurate temporal coding of low-frequency tones by spikes that are locked to a particular phase of the sine wave (phase-locking), occurs among certain groups of neurons at various processing levels in the brain. Phase-locked responses have previously been studied in the inferior colliculus and neocortex of the guinea ...

journal_title：Journal of neurophysiology

authors： Wallace MN,Anderson LA,Palmer AR

更新日期：2007-10-01 00:00:00

abstract：:The objective of this project was to examine the influence of stimulus waveform and frequency on extracellular stimulation of neurons with their cell bodies near the electrode (local cells) and fibers of passage in the CNS. Detailed computer-based models of CNS cells and axons were developed that accurately reproduced...

journal_title：Journal of neurophysiology

authors： McIntyre CC,Grill WM

更新日期：2002-10-01 00:00:00

abstract：:Across the rostrocaudal (RC) axis of the Xenopus tadpole optic tectum exists a developmental gradient. This gradient has served as a useful model to study many aspects of synapse and dendrite maturation. To compliment these studies, we characterized how the intrinsic excitability, the ease in which a neuron can fire a...

journal_title：Journal of neurophysiology

authors： Hamodi AS,Pratt KG

更新日期：2014-10-01 00:00:00

abstract：:The functional coupling of neural circuits between the upper and lower limbs involving rhythmic movements is of interest to both motor control research and rehabilitation science. This coupling can be detected by examining the effect of remote rhythmic limb movement on the modulation of reflex amplitude in stationary ...

journal_title：Journal of neurophysiology

authors： Sasada S,Tazoe T,Nakajima T,Zehr EP,Komiyama T

更新日期：2010-07-01 00:00:00