Optimal integration of visual and proprioceptive movement information for the perception of trajectory geometry.

abstract：:The effects of an external constant force bias on the information transmitted (Ti) by the direction of isometric force exerted in 2-dimensional (2-D) space by human subjects were studied using an isometric manipulandum and random dot stereograms generated in a color display (Massey et al. 1988, Massey et al. 1990). Su...

journal_title：Experimental brain research

authors： Massey JT,Drake RA,Georgopoulos AP

更新日期：1991-01-01 00:00:00

abstract：:Electrical stimulation with repetitive pulses (6/sec) was applied to the internal medullary lamina and produced tonic contraversive turning movements of eyes and head which were associated with recruiting responses in the visual cortex. Optical gratings of a spatial frequency of 0.5 c/deg which alternated with diffuse...

journal_title：Experimental brain research

authors： Hunsperger RW,Roman D

更新日期：1976-06-18 00:00:00

abstract：:The authors determined the effects of changes in task demands on interpersonal and intrapersonal coordination. Participants performed a joint task in which one participant held a stick to which a circle was attached at the top (holding role), while the other held a pointer through the circle without touching its borde...

journal_title：Experimental brain research

authors： Ramenzoni VC,Davis TJ,Riley MA,Shockley K,Baker AA

更新日期：2011-06-01 00:00:00

abstract：:The cerebral response evoked by stimulation of the bulbar pyramidal tract in wood rats, like that of laboratory rats, consisted of a small alpha wave, almost obscured by a very large, superimposed r wave. The alpha wave behaved like a purely antidromic response, whereas the r wave behaved like a postsynaptic response,...

journal_title：Experimental brain research

authors： Towe AL,Harrison TA

更新日期：1993-01-01 00:00:00

abstract：:3,4-Methylene-dioxy-N-methylamphetamine (MDMA, 'ecstasy') has a broad spectrum of molecular targets in the brain, among them receptors and transporters of the serotonergic (5-hydroxytryptamine, 5-HT) and noradrenergic systems. Its action on the serotonergic system modulates motor systems in rodents and humans. Althoug...

journal_title：Experimental brain research

authors： Liebig L,von Ameln-Mayerhofer A,Hentschke H

更新日期：2015-01-01 00:00:00

abstract：:The firing rate of an abducens motoneuron (AbMN) is linearly related to eye position with slope K, above recruitment threshold theta. Within the AbMN population K increases as theta increases. It is possible that these properties depend on the synaptic drives generated by the major premotor inputs to AbMNs, namely pos...

journal_title：Experimental brain research

authors： Hazel TR,Sklavos SG,Dean P

更新日期：2002-09-01 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

abstract：:Autologous segments of peroneal nerve were implanted into the medulla of adult rats to induce axonal regeneration of central neurons axotomised during the grafting procedure. Grafts were inserted in the midline--where respiratory axons decussate--or laterally, either in the nucleus tractus solitarius or in the nucleus...

journal_title：Experimental brain research

authors： Lammari-Barreault N,Rega P,Gauthier P

更新日期：1994-01-01 00:00:00

abstract：:Empathy, i.e., the ability to perceive and share another person's affective state, is associated with activity in a complex neural network, including the anterior insula, the anterior and mid-cingulate cortex, and the lateral prefrontal cortex. Here, we were interested in the question how facial emotions influence the...

journal_title：Experimental brain research

authors： Enzi B,Amirie S,Brüne M

更新日期：2016-11-01 00:00:00

abstract：:Three experiments examined interactions between posture control in upright stance and a concurrent location memory task. Healthy young participants stood upright and memorized the locations of dots presented on a computer screen. In the retrieval phase, they indicated whether arrows presented on the screen would pass ...

journal_title：Experimental brain research

authors： Riley MA,Mitra S,Saunders N,Kiefer AW,Wallot S

更新日期：2012-03-01 00:00:00

abstract：:A Fitts' task was used to examine whether the large movement asymmetry in subjects with spastic hemiparesis can be reduced or eliminated when both limbs are required to perform functionally equivalent tasks. Furthermore, it was determined whether any such benefit was expressed as mutual accommodation, or whether one h...

journal_title：Experimental brain research

authors： Steenbergen B,Hulstijn W,de Vries A,Berger M

更新日期：1996-06-01 00:00:00

abstract：:In a recent study (Whitwell et al. in Exp Brain Res 185:111-119, 2008), we showed that the visuomotor system is "cognitively impenetrable" to the extent that explicit predictive knowledge of the availability of visual feedback on an upcoming trial fails to optimize grasping. The results suggested that the effects of t...

journal_title：Experimental brain research

authors： Whitwell RL,Goodale MA

更新日期：2009-04-01 00:00:00

abstract：:Extracellular recordings were made from the nucleus ambiguous in three conscious Macaca nemestrina monkeys during spontaneous vocalizations and swallows. The temporal relationship of neuronal activity to swallowing was inferred through correlation with the thyroarytenoid electromyographic (EMG) activity. Videofluorosc...

journal_title：Experimental brain research

authors： Chiao GZ,Larson CR,Yajima Y,Ko P,Kahrilas PJ

更新日期：1994-01-01 00:00:00

abstract：:Knowing when the head moves is crucial information for the central nervous system to maintain a veridical representation of the self in the world for perception and action. Previous studies have shown that active head movement onset has to precede a sound by approximately 80 ms to be perceived as simultaneous, suggest...

journal_title：Experimental brain research

authors： Chung W,Barnett-Cowan M

更新日期：2017-10-01 00:00:00

abstract：:We examined the characteristic features of galanin (GAL)-containing nerve afferents in the intermediolateral nucleus (IML) of the rat lumbosacral spinal cord (L6, S1), i.e., spinal parasympathetic nucleus, by immunocytochemistry at both light and electron microscopic levels. Firstly, the types of synapses formed by GA...

journal_title：Experimental brain research

authors： Ohmachi T,Nakamura T,Zhang FZ,Tani I,Takagi H

更新日期：1996-06-01 00:00:00

abstract：:Immunoreactivities for tyrosine hydroxylase (TH), gamma-aminobutyric acid (GABA) and, in some cases, glutamic acid decarboxylase (GAD) were detected by light and electron microscopy in axons projecting into the median eminence and pituitary gland of various mammals (rats, mice, guinea pigs, cats, rabbits and hares). L...

journal_title：Experimental brain research

authors： Schimchowitsch S,Vuillez P,Tappaz ML,Klein MJ,Stoeckel ME

更新日期：1991-01-01 00:00:00

abstract：:The experiments were designed to test two hypotheses and their corollaries: 1. That adaptation of EMG responses to support surface rotations is due to a decrease in the gain of proprioceptively triggered long-loop stretch reflexes (Nashner 1976), and that the adaptation is dependent on a normally functioning vestibula...

journal_title：Experimental brain research

authors： Keshner EA,Allum JH,Pfaltz CR

更新日期：1987-01-01 00:00:00

abstract：:In an earlier report we found that when pairs of letters were physically transposed on the keyboard and typists were required to type letters in their new location, the disruptions in typing were reduced when the transpositions involved mirror movements of homologous fingers of the two hands compared with transpositio...

journal_title：Experimental brain research

authors： Parasher R,Roy S,Gordon AM

更新日期：2001-02-01 00:00:00

abstract：:Thaw-mount autoradiography was used to map target neurons for tritiated steroids in the brains of ovariectomized rhesus monkeys. In five females, studies were performed 60 min after the administration of 3H-estradiol. Of these, two females were pretreated for five days with daily injections of 2 mg testosterone propio...

journal_title：Experimental brain research

authors： Rees HD,Bonsall RW,Michael RP

更新日期：1986-01-01 00:00:00

abstract：:The topography and receptive field (RF) organization of neurones in the trunk zone of the thalamic ventrobasal complex (VB) projecting to the homologous zone of the ipsilateral first somatosensory area (SI) were studied in the cat by performing experiments of retrograde neuronal tracing and microelectrode recording. P...

journal_title：Experimental brain research

authors： Barbaresi P,Conti F,Manzoni T

更新日期：1984-01-01 00:00:00

abstract：:We investigated the quantitative relationship between saccadic activity (as reflected in frequency of occurrence and amplitude of saccades) and blood oxygenation level dependent (BOLD) changes in the cerebral cortex using functional magnetic resonance imaging (fMRI). Furthermore, we investigated quantitative changes i...

journal_title：Experimental brain research

authors： Kimmig H,Greenlee MW,Gondan M,Schira M,Kassubek J,Mergner T

更新日期：2001-11-01 00:00:00

abstract：:Delay eyeblink conditioning was examined in patients with genetically-defined heredoataxias and age-matched control subjects. 24 patients with spinocerebellar ataxia type 6 (SCA6), type 3 (SCA3), and Friedreich's ataxia (FRDA) participated. SCA6 affects primarily the cerebellum, whereas extracerebellar involvement is ...

journal_title：Experimental brain research

authors： Timmann D,Gerwig M,Frings M,Maschke M,Kolb FP

更新日期：2005-04-01 00:00:00

abstract：:Predicted motion (PM) tasks test the accuracy of predicting the future position of a moving target. Previous PM studies using audiovisual stimuli have suggested that observers rely primarily on visual motion cues. To clarify the role of auditory signals in predicting future positions of bimodal targets, we designed a ...

journal_title：Experimental brain research

authors： Prime SL,Harris LR

更新日期：2010-06-01 00:00:00

abstract：:Slice cultures from the visual cortex of young rats were prepared using the roller culture technique (Gähwiler 1984). After 10 days in vitro the cortical cultures flattened to 1-3 cell layers, surviving for up to 12 weeks. The cultures were organotypically organized, the typical layered structure of the cortex was pre...

journal_title：Experimental brain research

authors： Caeser M,Bonhoeffer T,Bolz J

更新日期：1989-01-01 00:00:00

abstract：:Generally, increases in cortical activity go in parallel with negative shifts and decreases with positive shifts of cortical d.c. potentials. The aim of the present investigation was to test the effects of the inhibitory transmitter gamma-aminobutyric acid (GABA) and of GABA receptor agonists on cortical d.c. potentia...

journal_title：Experimental brain research

authors： Lücke A,Woesler B,Speckmann EJ

更新日期：1997-03-01 00:00:00

abstract：:Successfully picking up and handling objects requires taking into account their physical properties (e.g., material) and position relative to the body. Such features are often inferred by sight, but it remains unclear to what extent observers vary their actions depending on the perceived properties. To investigate thi...

journal_title：Experimental brain research

authors： Paulun VC,Gegenfurtner KR,Goodale MA,Fleming RW

更新日期：2016-08-01 00:00:00

abstract：:In this study we examined the performance of human subjects in three oculomotor tasks: a visually guided saccade task (VST), a simple antisaccade task (SAT) and a mirror antisaccade task (MAT). The stimulus presentation was identical for all three tasks, and the differentiation of the tasks was based on the instructio...

journal_title：Experimental brain research

authors： Evdokimidis I,Tsekou H,Smyrnis N

更新日期：2006-09-01 00:00:00

abstract：:A variety of experimental studies have demonstrated the neuroprotective effects of melatonin, based on its antioxidant activity. In a prospective randomized study, the effects of melatonin were investigated in experimental head trauma-induced oxidative stress in rabbits. The experimental study was performed on 30 rabb...

journal_title：Experimental brain research

authors： Kerman M,Cirak B,Ozguner MF,Dagtekin A,Sutcu R,Altuntas I,Delibas N

更新日期：2005-06-01 00:00:00

abstract：:It is an important issue to address the mode of information processing in the somatic motor circuit linking the frontal cortex and the basal ganglia. In the present study, we investigated the extent to which corticostriatal input zones from the primary motor cortex (MI), the supplementary motor area (SMA), and the pre...

journal_title：Experimental brain research

authors： Takada M,Tokuno H,Nambu A,Inase M

更新日期：1998-05-01 00:00:00

abstract：:Previous evidence based on perceptual integration and arbitrary responses suggests extensive cross-modal links in attention across the various modalities. Attention typically shifts to a common location across the modalities, despite the vast differences in their initial coding of space. An issue that remains unclear ...

journal_title：Experimental brain research

authors： Patchay S,Haggard P,Castiello U

更新日期：2006-04-01 00:00:00