Neural site of strabismic amblyopia in cats: X-cell acuities in the LGN.

abstract：:The cortical anatomical substrates by which visual information may influence the frontal areas controlling reaching movements to visual targets were studied in monkeys. A reaching task was employed to characterize the arm-related regions of the frontal lobe. Injections of retrograde tracers into these physiologically ...

journal_title：Experimental brain research

authors： Johnson PB,Ferraina S,Caminiti R

更新日期：1993-01-01 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 investigated the capacities of human subjects to intercept moving targets in a two-dimensional (2D) space. Subjects were instructed to intercept moving targets on a computer screen using a cursor controlled by an articulated 2D manipulandum. A target was presented in 1 of 18 combinations of three acceleration types...

journal_title：Experimental brain research

authors： Port NL,Lee D,Dassonville P,Georgopoulos AP

更新日期：1997-10-01 00:00:00

abstract：:Spatial orientation is crucial when subjects have to accurately reach memorized visual targets. In previous studies modified gravitoinertial force fields were used to affect the accuracy of pointing movements in complete darkness without visual feedback of the moving limb. Target mislocalization was put forward as one...

journal_title：Experimental brain research

authors： Prieur JM,Bourdin C,Vercher JL,Sarès F,Blouin J,Gauthier GM

更新日期：2005-03-01 00:00:00

abstract：:In cats, anaesthetized with chloralose and paralysed, the responses of units in the right lateral thalamus were recorded while the extrinsic ocular muscles (EOM) of the right eye were stretched in the dark. Phasic responses were found in all layers of the dorsal lateral geniculate nucleus (LGNd) and in the perigenicul...

journal_title：Experimental brain research

authors： Donaldson IM,Dixon RA

更新日期：1980-02-01 00:00:00

abstract：:Haptic perception is based on the integration of afferent proprioceptive and tactile signals. A further potential source of information during active touch is predicted sensory feedback (PSF) derived from a copy of efferent motor commands that give rise to the exploratory actions. There is substantial evidence that PS...

journal_title：Experimental brain research

authors： Sciutti A,Squeri V,Gori M,Masia L,Sandini G,Konczak J

更新日期：2010-01-01 00:00:00

abstract：:The convergence of the posterior semicircular canal (PC) and utricular (UT) inputs in single vestibular nuclei neurons was studied intracellularly in decerebrate cats. A total of 160 vestibular neurons were orthodromically activated by selective stimulation of the PC and the UT nerve and classified according to whethe...

journal_title：Experimental brain research

authors： Zakir M,Kushiro K,Ogawa Y,Sato H,Uchino Y

更新日期：2000-05-01 00:00:00

abstract：:Single unit activity was studied in the dorsomedial edge of the frontal lobe, above the superior arcuate sulcus in three trained monkeys (Macaca nemestrina). Gaze and head movements were recorded with two magnetic search coils. Discharges preceding spontaneous eye movements in a preferred direction were consistently o...

journal_title：Experimental brain research

authors： Schlag J,Schlag-Rey M

更新日期：1985-01-01 00:00:00

abstract：:The capacity to acquire motor skills through repeated practice of a sequence of movements underlies many everyday activities. Extensive research in humans has dealt with the importance of spatial and temporal factors on motor sequence learning, standing in contrast to the few studies available in animals, particularly...

journal_title：Experimental brain research

authors： Deffains M,Legallet E,Apicella P

更新日期：2011-10-01 00:00:00

abstract：:Nystagmic eye movements in response to selective optokinetic stimulation of different parts of the retina were studied in normal human subjects by two methods: 1. a digital computer controlled by the eye movement signal was used to generate an optokinetic display which stimulated only the peripheral retina, simulating...

journal_title：Experimental brain research

authors： Cheng M,Outerbridge JS

更新日期：1975-08-14 00:00:00

abstract：:The primary objective of this study was to explore why preischemic hypoglycemia, which restricts tissue acidosis during the ischemic insult, does not ameliorate cell damage incurred as a result of transient ischemia. The question arose whether hypoglycemia (plasma glucose concentration 2-3 mM) delays resumption of ext...

journal_title：Experimental brain research

authors： Li PA,Kristián T,Katsura K,Shamloo M,Siesjö BK

更新日期：1995-01-01 00:00:00

abstract：PURPOSE:To examine the accuracy and latency of reflexive saccades to vibratory stimulation of the fingertips made by normal human subjects and to compare the findings to those of visually guided saccades. METHODS:Eye movements were recorded using infrared oculography. Stimuli were presented via an array of audiometric...

journal_title：Experimental brain research

authors： Sullivan A,Fitzmaurice K,Abel LA

更新日期：2004-02-01 00:00:00

abstract：:Corticofugal influence upon lateral geniculate units was evaluated by inactivating the visual cortex with a topical application of 3M KCL in rabbits. The results revealed a decrease of spontaneous firing in slow P cells following cortical depression suggesting a tonic corticofugal influence. The most consistently obse...

journal_title：Experimental brain research

authors： Molotchnikoff S,Lachapelle P

更新日期：1977-09-28 00:00:00

abstract：:When reaches are performed toward target objects, the presence of other non-target objects influences kinematic parameters of the reach. A typical observation has been that non-targets positioned ipsilaterally to the acting limb interfere more with the trajectory of the hand than contralateral non-targets. Here, we in...

journal_title：Experimental brain research

authors： Menger R,Van der Stigchel S,Dijkerman HC

更新日期：2013-09-01 00:00:00

abstract：:The purpose of this study was to investigate the temporal relationship between presaccadic neuronal discharges in the frontal eye fields (FEF) and supplementary eye fields (SEF) and the initiation of saccadic eye movements in macaque. We utilized an analytical technique that could reliably identify periods of neuronal...

journal_title：Experimental brain research

authors： Hanes DP,Thompson KG,Schall JD

更新日期：1995-01-01 00:00:00

abstract：:In the present work, we characterize electrophysiologically a commissural subcortical pathway which is related to binocular interactions in the nucleus of the optic tract (NOT) of the opossum. The main role played by the circuit comprising this pathway seems to be in relaying information coming from the ipsilateral ey...

journal_title：Experimental brain research

authors： Pereira Júnior A,Volchan E,Bernardes RF,Rocha-Miranda CE

更新日期：1994-01-01 00:00:00

abstract：:Previous studies have reported abnormalities in fine hand and finger movements following interruption of the fasciculus cuneatus (FC) in primates. We report here that many of these deficits could be caused by an inability to actively regulate the position of the finger. Three macaques were trained to maintain the inde...

journal_title：Experimental brain research

authors： Glendinning DS,Vierck CJ Jr,Cooper BY

更新日期：1993-01-01 00:00:00

abstract：:Since normal human subjects can perform smooth-pursuit eye movements only in the presence of a moving target, the occurrence of these eye movements represents an ideal behavioural probe to monitor the successful processing of visual motion. It has been shown previously that subjects can execute smooth-pursuit eye move...

journal_title：Experimental brain research

authors： Lindner A,Ilg UJ

更新日期：2000-08-01 00:00:00

abstract：:Middle cerebral artery occlusion (MCAO) models have become well established as the most suitable way to simulate stroke in experimental studies. The high variability in the size of the resulting infarct due to filament composition, rodent strain and vessel anatomy makes the setup of such models very complex. Beside co...

journal_title：Experimental brain research

authors： Bleilevens C,Roehl AB,Goetzenich A,Zoremba N,Kipp M,Dang J,Tolba R,Rossaint R,Hein M

更新日期：2013-01-01 00:00:00

abstract：:The ability to control speed and accuracy of goal directed aiming tasks underpins many activities of daily living. Recent evidence has begun to suggest that obesity can affect the control of movement. This study evaluated perceptual motor control of 183 normal weight, overweight, and obese participants using a discret...

journal_title：Experimental brain research

authors： Gaul D,Fernandez L,Issartel J

更新日期：2018-10-01 00:00:00

abstract：:It was previously proposed that a linkage between the optokinetic system and the stereoscopic system in higher mammals serves to allow these animals to selectively stabilize those parts of the visual scene which lie in the plane of convergence as the animals move forward in a three-dimensional world (Howard and Ohmi, ...

journal_title：Experimental brain research

authors： Howard IP,Simpson WA

更新日期：1989-01-01 00:00:00

abstract：:The effects of an opioid receptor antagonist, naloxone (NAL), were studied on the changes in pituitary hormone secretion induced by emotional stress. Male Wistar rats were trained with tone stimuli paired with electric footshocks and tested with the tone and environmental cue signals for emotional stress of fear acqui...

journal_title：Experimental brain research

authors： Onaka T,Yagi K

更新日期：1990-01-01 00:00:00

abstract：:Extracellular single-neuron recordings were obtained from electrophysiologically identified nigrostriatal neurons in chloral hydrate anesthetized rats, in order to test the hypothesis that excitatory amino acid receptors are involved in responses of these neurons to electrical stimulation of the pontine region where t...

journal_title：Experimental brain research

authors： Di Loreto S,Florio T,Scarnati E

更新日期：1992-01-01 00:00:00

abstract：:The importance of the caudal ventrolateral medulla (CVLM) in mediating vagal cardiopulmonary (Bezold-Jarisch reflex) reflex activity was studied in urethane-anaesthetized rats. Unilateral electrolytic lesion of the CVLM markedly attenuated Bezold-Jarisch reflex responses (hypotension and bradycardia) elicited by intra...

journal_title：Experimental brain research

authors： Verberne AJ,Beart PM,Louis WJ

更新日期：1989-01-01 00:00:00

abstract：:Stimulation of the caudal raphe nuclei alters visceral functions. The caudal raphe nuclei project to the nucleus of the solitary tract, which receives the central terminations of vagal afferents and plays an important role in the central integration of autonomic activities. The caudal raphe nuclei also project to the ...

journal_title：Experimental brain research

authors： Manaker S,Fogarty PF

更新日期：1995-01-01 00:00:00

abstract：:The eyeblink reflex is one of the most extensively studied behaviors in mammals. The active downward force that causes lid closure is controlled by the orbicularis oculi (OO) muscle. To augment our studies on the neurophysiology and plasticity of the rat eyeblink circuit, here we present the first anatomical paper to ...

journal_title：Experimental brain research

authors： Faulkner B,Brown TH,Evinger C

更新日期：1997-08-01 00:00:00

abstract：:Cells in cat's area 17 respond optimally if elongated contrasts are presented at a certain angle or orientation with respect to the retina, or to the visual field, respectively (Hubel and Wiesel, 1962). The preferred orientation and the range of orientation sensitivity of cells in close proximity to one another have b...

journal_title：Experimental brain research

authors： Albus K

更新日期：1975-12-22 00:00:00

abstract：:Early blindness in humans and experimental visual deprivation in animal models are known to induce compensatory somatosensory and/or auditory activation of the visual cortex. An abnormal hydrocephalic cat with extreme malformation of the visual system, born in our breeding colony, rendered a good model system for inve...

journal_title：Experimental brain research

authors： Yaka R,Yinon U,Rosner M,Wollberg Z

更新日期：2000-03-01 00:00:00

abstract：:The current study examined the EEG of young, old and old declined adults performing a visual paired associate task. In order to examine the effects of encoding context and stimulus repetition, target pairs were presented on either detailed or white backgrounds and were repeatedly presented during both early and late p...

journal_title：Experimental brain research

authors： Hogan MJ,Kenney JP,Roche RA,Keane MA,Moore JL,Kaiser J,Lai R,Upton N

更新日期：2012-02-01 00:00:00

abstract：:Discrimination learning can cause improved and worsened ability to perceive differences. This subsequently affects how stimuli are associated with meanings and behaviors. Here, human listeners were trained with frequency-modulated (FM) tonal sweeps (500-1000 Hz) in a paradigm where one FM rate (8.29 octaves per second...

journal_title：Experimental brain research

authors： Wisniewski MG

更新日期：2017-04-01 00:00:00