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 perigeniculate nucleus (PGN). A given unit usually responded to stretch of more than one EOM and thus to more than one direction of rotation of the eye in the orbit. LGNd. Of a sample of 76 units in LGNd, 55 (72%) gave visula but no muscle responses and 21 (28%) responded to EOM stretch. In all, 40 units with EOM responses were examined and 25 of the 27 tested (93%) also had visual responses. Of the 40 units, 32 could be allocated to layers, thus; layer A, 8 (25%); layer A1, 20 (63%); layer B, 3 (9%); central interlaminar nucleus, 1 (3%). It is interesting that most of the EOM responses were found in layer A1 which recieves the excitatory visual input from the eye whose EOM were stretched. Muscle responsive units occurred with ON- and OFF-centre visual responses of sustained and transient types. PGN. In PGN, 21 units gave EOM responses and most of them were also excited by visual input. The conclusion is that the LGNd and PGN receive an extraretinal proprioceptive signal which should be present during at least large saccadic eye movements. The anatomical pathways which may be involved and the significance of the signal are discussed briefly.
journal_name
Exp Brain Resjournal_title
Experimental brain researchauthors
Donaldson IM,Dixon RAdoi
10.1007/BF00236643subject
Has Abstractpub_date
1980-02-01 00:00:00pages
245-55issue
3eissn
0014-4819issn
1432-1106journal_volume
38pub_type
杂志文章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
pub_type: 杂志文章
doi:10.1007/s00221-010-2155-0
更新日期:2010-05-01 00:00:00
abstract::The human soleus H-reflex is commonly tested as an indicator of the reflex excitability of the calf muscles with infrequent stimuli to a subject seated and at rest. However, the reflex varies widely with the level of voluntary contraction and with the time history of stimulation. We studied two aspects of this variati...
journal_title:Experimental brain research
pub_type: 杂志文章
doi:10.1007/s00221-007-0989-x
更新日期:2007-09-01 00:00:00
abstract::We have investigated the effects of mental set on predictive capabilities using a saccade square-wave tracking paradigm with ten normal subjects, comparing three amplitudes (10, 20, and 40 degrees ) and five inter-stimulus intervals (ISIs) (400, 500, 625, 1000, and 2000 ms). Subjects were instructed simply to "follow ...
journal_title:Experimental brain research
pub_type: 临床试验,杂志文章
doi:10.1007/s00221-005-2317-7
更新日期:2005-09-01 00:00:00
abstract::Neuron activity was recorded in monkey cerebral cortex during a visually guided reaching task. Cells located in the banks of the arcuate sulcus at its curvature changed their activity during the period in which the monkey saw a food reward in a certain position, but before it moved to retrieve the reward. A role of th...
journal_title:Experimental brain research
pub_type: 杂志文章
doi:10.1007/BF00238755
更新日期:1981-01-01 00:00:00
abstract::Cerebral palsy (CP) is a group of non-progressive developmental movement disorders inducing a strong brain reorganization in primary and secondary motor areas. Nevertheless, few studies have been dedicated to quantify brain pattern changes and correlate them with motor characteristics in CP children. In this context, ...
journal_title:Experimental brain research
pub_type: 杂志文章
doi:10.1007/s00221-017-5149-3
更新日期:2018-02-01 00:00:00
abstract::We previously demonstrated that velocity and movement time for the initial segment for a two-stroke movement are scaled in relation to the difficulty of the second segment. The interdependent kinematic changes were interpreted as evidence that movement planning/organization processes consider the movement parameters o...
journal_title:Experimental brain research
pub_type: 杂志文章
doi:10.1007/s002210000450
更新日期:2000-09-01 00:00:00
abstract::Adequate postural control is a prerequisite for daily activities such as reaching for an object. However, knowledge on the relationship between postural adjustments and the quality of reaching movements during human ontogeny is scarce. Therefore we evaluated the development of the relationship between the kinematic fe...
journal_title:Experimental brain research
pub_type: 杂志文章
doi:10.1007/s00221-007-0964-6
更新日期:2007-08-01 00:00:00
abstract::The arm movement control system often relies on visual feedback to drive motor adaptation and to help specify desired trajectories. Here we studied whether kinematic errors that were indicated with auditory feedback could be used to control reaching in a way comparable with when vision was available. We randomized twe...
journal_title:Experimental brain research
pub_type: 杂志文章,随机对照试验
doi:10.1007/s00221-012-3144-2
更新日期:2012-08-01 00:00:00
abstract::The cerebral representation of space depends on the integration of many different sensory inputs. The vestibular system provides one such input and its dysfunction can cause profound spatial disorientation. Using positron emission tomography (PET), we measured regional cerebral perfusion with various vestibular stimul...
journal_title:Experimental brain research
pub_type: 临床试验,杂志文章
doi:10.1007/BF00241421
更新日期:1994-01-01 00:00:00
abstract::The properties of sensory reweighting for control of human upright stance have primarily been investigated through experimental techniques such as sinusoidal driving of postural sway. However, other forms of visual inputs that are commonly encountered, such as translation, may produce different adaptive responses. We ...
journal_title:Experimental brain research
pub_type: 杂志文章
doi:10.1007/s00221-006-0502-y
更新日期:2006-10-01 00:00:00
abstract::Is it possible to learn to perform a motor sequence without awareness of the sequence? In two experiments, we presented participants with the most elementary sequence: an alternation between two options. We used a double-step pointing task in which the final position of the target alternated between two quite similar ...
journal_title:Experimental brain research
pub_type: 杂志文章
doi:10.1007/s00221-016-4566-z
更新日期:2016-06-01 00:00:00
abstract::It is a conservative and reasonable suggestion that implicit functioning, as in blindsight, is simply a weakened, degraded form of normal functioning, especially as the parameters of vision in blindsight are themselves weakened--e.g., acuity is reduced, detection thresholds are raised, chromatic discrimination is coar...
journal_title:Experimental brain research
pub_type: 杂志文章,评审
doi:10.1007/s00221-008-1388-7
更新日期:2009-01-01 00:00:00
abstract::This study explored the directional specificity of fear of falling (FoF) effects on the stabilizing function of anticipatory postural adjustments (APA). Participants (N = 71) performed a series of lateral leg raises from an elevated surface in three conditions: in the "Control condition", participants stood at the mid...
journal_title:Experimental brain research
pub_type: 杂志文章
doi:10.1007/s00221-015-4471-x
更新日期:2016-03-01 00:00:00
abstract::Pain serves to protect against bodily threat, and therefore initiates protective responses such as attending toward threat-relevant information. Since pain is often exacerbated by executing movements, these motor actions may serve as cues for pain. Up to date, however, pain-related attention during movement remains la...
journal_title:Experimental brain research
pub_type: 杂志文章
doi:10.1007/s00221-020-05790-2
更新日期:2020-05-01 00:00:00
abstract::Following large injections of horseradish peroxidase - wheat germ agglutinin in the pontine nuclei, corticopontine neurons in areas 18 and 19 were quantitatively mapped and flat maps showing the distribution of retrogradely labeled cells were constructed. The areal borders were defined either cyto- and myeloarchitecto...
journal_title:Experimental brain research
pub_type: 杂志文章
doi:10.1007/BF00237845
更新日期:1985-01-01 00:00:00
abstract::Although the perception of emotion in individuals is an important social skill, very little is known about how emotion is determined from a crowd of individuals. We investigated the perception of emotion in scenes of crowds populated by dynamic characters each expressing an emotion. Facial expressions were masked in t...
journal_title:Experimental brain research
pub_type: 杂志文章
doi:10.1007/s00221-009-2037-5
更新日期:2010-07-01 00:00:00
abstract::Inhibition of return (IOR) is thought to reflect a bias against returning attention to previously attended locations. According to this view, IOR should occur only if attention is withdrawn from the target location prior to target appearance. In the present study, endogenous attention and exogenous cueing were manipul...
journal_title:Experimental brain research
pub_type: 临床试验,杂志文章
doi:10.1007/s00221-004-1963-5
更新日期:2004-12-01 00:00:00
abstract::In an earlier posturographic investigation (Collins and De Luca 1993) it was proposed that open-loop and closed-loop control mechanisms are involved in the regulation of undisturbed, upright stance. In this study, stabilogram-diffusion analysis was used to examine how visual input affects the operational characteristi...
journal_title:Experimental brain research
pub_type: 临床试验,杂志文章
doi:10.1007/BF00241972
更新日期:1995-01-01 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
pub_type: 杂志文章
doi:10.1007/s00221-011-2966-7
更新日期:2012-02-01 00:00:00
abstract::Earlier studies have reported temporal rotation of Listing's plane with convergence of the eyes causing torsion, which is dependent on eye elevation. The amount by which the planes rotate differs from study to study. To gain insight into the functional significance of the temporal tilt of Listing's plane for vision, w...
journal_title:Experimental brain research
pub_type: 杂志文章
doi:10.1007/s002210050727
更新日期:1999-05-01 00:00:00
abstract::We determined whether uncertainty about the location of one's hand in virtual environments limits the efficacy of online control processes. In the Non-aligned and Aligned conditions, the participant's hand was represented by a cursor on a vertical or horizontal display, respectively. In the Natural condition, particip...
journal_title:Experimental brain research
pub_type: 杂志文章
doi:10.1007/s00221-010-2487-9
更新日期:2011-02-01 00:00:00
abstract::Using combined psychophysics and event-related potentials (ERPs), we investigated the effect of perceptual learning on face gender discrimination and probe the neural correlates of the learning effect. Human subjects were trained to perform a gender discrimination task with male or female faces. Before and after train...
journal_title:Experimental brain research
pub_type: 杂志文章
doi:10.1007/s00221-012-3396-x
更新日期:2013-04-01 00:00:00
abstract::Microelectrode recordings were made from dorsal column postsynaptic (DCPS) fibres, in the fasciculus gracilis of the cat, at thoracic level Th 12, and from single cells in the nucleus gracilis. The sensitivity of the fibres (Th 12) and cells (bulbar level) to both gentle and noxious stimuli was studied and a classific...
journal_title:Experimental brain research
pub_type: 杂志文章
doi:10.1007/BF00237349
更新日期:1975-05-22 00:00:00
abstract::The motor cortex contains a distributed map of muscles, with a single muscle represented over a wide cortical area. We have searched for inter-connections between distant sites projecting to common muscles by delivering pairs of 20-microA single-pulse intracortical microstimuli (ICMS) to sites separated by 1.5-2 mm in...
journal_title:Experimental brain research
pub_type: 杂志文章
doi:10.1007/s002210050585
更新日期:1998-12-01 00:00:00
abstract::We tested the hypothesis that frontal eye field (FEF) visual activity integrates visual information with a template of a target by examining whether a target that is not present in a search display influences the target selection in FEF. Neural activity was recorded in FEF of macaque monkeys performing visual search f...
journal_title:Experimental brain research
pub_type: 杂志文章
doi:10.1007/s00221-003-1461-1
更新日期:2003-08-01 00:00:00
abstract::The principal goal of our study is to gain an insight into the representation of peripersonal space. Two different experiments were conducted in this study. In the first experiment, subjects were asked to represent principal anatomical reference planes by drawing ellipses in the sagittal, frontal and horizontal planes...
journal_title:Experimental brain research
pub_type: 杂志文章
doi:10.1007/s00221-005-0121-z
更新日期:2006-02-01 00:00:00
abstract::Sensitivity to many visual stimuli, and, in particular, image displacement, is reduced during a change in fixation (saccade) compared to when the eye is still. In these experiments, we studied the sensitivity of observers to ecologically relevant image translations of large, complex, real world scenes either during ho...
journal_title:Experimental brain research
pub_type: 杂志文章
doi:10.1007/s00221-009-2120-y
更新日期:2010-04-01 00:00:00
abstract::The effect of histamine administered via the common carotid artery on the transport processes of brain capillaries was investigated in rats. The fine structure of endothelial cells and the glial end-feet system was studied by electron microscopy and the serum albumin was visualized for light microscopy by the peroxida...
journal_title:Experimental brain research
pub_type: 杂志文章
doi:10.1007/BF00239384
更新日期:1982-01-01 00:00:00
abstract::Parkinsonian rigidity is characterized by an increased resistance of a joint to externally imposed motion that remains uniform with changing joint angle. Two candidate mechanisms are proposed for the uniformity of rigidity, involving neural-mediated excitation of shortening muscles, i.e., shortening reaction (SR), or ...
journal_title:Experimental brain research
pub_type: 杂志文章
doi:10.1007/s00221-011-2594-2
更新日期:2011-04-01 00:00:00
abstract::The present study investigated how valence, arousal, and subjective liking of music affect visually induced motion sickness (VIMS). VIMS is a common side effect when interacting with virtual environments, resulting in discomfort, dizziness, and/or nausea. Music has previously been shown to reduce VIMS, but the precise...
journal_title:Experimental brain research
pub_type: 杂志文章
doi:10.1007/s00221-020-05871-2
更新日期:2020-10-01 00:00:00