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

authors： Veilleux LN,Proteau L

更新日期：2011-02-01 00:00:00

abstract：:The purpose of this study was to test the principle of motor abundance, which has been hypothesized as the principle by which the central nervous system controls the excessive degrees of freedom of the human movements, in contrast to the traditional negative view of motor redundancy. This study investigated the change...

journal_title：Experimental brain research

authors： Karol S,Kim YS,Huang J,Kim YH,Koh K,Yoon BC,Shim JK

更新日期：2011-02-01 00:00:00

abstract：:Even the simplest volitional movements must be precisely coordinated with anticipatory postural adjustments. Little is currently known about the neural networks that coordinate these adjustments in healthy adults. We measured brain activity prior to movement during a bimanual load-lifting task, designed to elicit anti...

journal_title：Experimental brain research

authors： Ng TH,Sowman PF,Brock J,Johnson BW

更新日期：2011-01-01 00:00:00

abstract：:Numerical magnitude is believed to be represented along a mental number line (MNL), and there is evidence to suggest that the activation of the MNL affects the perception and representation of external space. In the present study, we investigated whether a spatial motor task affects numerical processing in the auditor...

journal_title：Experimental brain research

authors： Cattaneo Z,Fantino M,Silvanto J,Vallar G,Vecchi T

更新日期：2011-01-01 00:00:00

abstract：:Human sensorimotor synchronization is flexible but subject to temporal constraints. Previous research has shown that musicians tend to lose synchrony with target tones in an isochronous sequence when the sequence rate exceeds 8-10 Hz, presumably because phase correction ceases to function. The present study investigat...

journal_title：Experimental brain research

authors： Repp BH

更新日期：2011-01-01 00:00:00

abstract：:Could task performance be constrained by our ability to fully engage necessary neural processing through effort of will? The StartReact phenomenon suggests that this might be the case, as voluntary reaction times are substantially reduced by loud sounds. Here, we show that loud auditory stimulation can also be associa...

journal_title：Experimental brain research

authors： Anzak A,Tan H,Pogosyan A,Brown P

更新日期：2011-01-01 00:00:00

abstract：:Observation of hand movements has been repeatedly demonstrated to increase the excitability of the motor cortical representation of the hand. Little attention, however, has been devoted to its effect on somatosensory processing. Movement execution is well known to decrease somatosensory cortical excitability, a phenom...

journal_title：Experimental brain research

authors： Voisin JI,Rodrigues EC,Hétu S,Jackson PL,Vargas CD,Malouin F,Chapman CE,Mercier C

更新日期：2011-01-01 00:00:00

abstract：:Caloric vestibular stimulation (CVS) is a physiological technique demonstrated to transiently improve hemianaesthesia in right brain-damaged patients (Bottini et al. in Exp Brain Res 99(1):164-169, 1994, Nature 376:778-781, 1995, Neurology 65(8):1278-1283, 2005). Recent studies suggest that these effects are based on ...

journal_title：Experimental brain research

authors： Ferrè ER,Sedda A,Gandola M,Bottini G

更新日期：2011-01-01 00:00:00

abstract：:Visual information regarding limb location can override proprioceptive information when there is conflict between the two-a phenomenon referred to as visual capture. In three experiments, we employed the "mirror illusion," in which the perceived location of one's hand is influenced by the visual information specified ...

journal_title：Experimental brain research

authors： Kunz BR,Creem-Regehr SH,Thompson WB

更新日期：2010-12-01 00:00:00

abstract：:The line bisection task--commonly used as a clinical measure of unilateral neglect--requires participants to place a mark on a horizontal line to indicate where they think centre is. In general, results suggest that the allocation of attention mediates bisection. In addition, previous research shows that participants ...

journal_title：Experimental brain research

authors： Valadao DF,Hurwitz M,Danckert J

更新日期：2010-12-01 00:00:00

abstract：:Dual task paradigms can be used to examine the interactions between cognition and the control of posture and gait. Measuring and interpreting changes in dual task performance is challenging, however, because many factors can influence performance. This study examined the effects of instructed focus and walking task di...

journal_title：Experimental brain research

authors： Kelly VE,Janke AA,Shumway-Cook A

更新日期：2010-11-01 00:00:00

abstract：:Several studies have shown that people can catch a ball even if it is visible only during part of its flight. Here, we examine how well they can do so. We measured the movements of a ball and of the hands of both the thrower and the catcher during one-handed underarm throwing and catching. The catcher's sight was occl...

journal_title：Experimental brain research

authors： López-Moliner J,Brenner E,Louw S,Smeets JB

更新日期：2010-10-01 00:00:00

abstract：:Vision can improve bipedal upright stability during standing and locomotion. However, during locomotion, vision supports additional behaviors such as gait cycle modulation, navigation, and obstacle avoidance. Here, we investigate how the multiple roles of vision are reflected in the dynamics of trunk control as the ne...

journal_title：Experimental brain research

authors： Logan D,Kiemel T,Dominici N,Cappellini G,Ivanenko Y,Lacquaniti F,Jeka JJ

更新日期：2010-10-01 00:00:00

abstract：:The ability to correct reaching movements for changes in target position has been described as the hand's 'automatic pilot'. These corrections are preconscious and occur by default in double-step reaching tasks, even if the goal is to react to the target jump in some other way, for instance by stopping the movement (S...

journal_title：Experimental brain research

authors： McIntosh RD,Mulroue A,Brockmole JR

更新日期：2010-10-01 00:00:00

abstract：:Hemi-seesaw nystagmus (hemi-SSN) is a jerk-waveform nystagmus with conjugate torsional and disjunctive vertical components. Halmagyi et al. in Brain 117(Pt 4):789-803 (1994), reported hemi-SSN in patients with unilateral lesions in the vicinity of the Interstitial Nucleus of Cajal (INC) and suggested that an imbalance...

journal_title：Experimental brain research

authors： Das VE,Leigh RJ,Swann M,Thurtell MJ

更新日期：2010-09-01 00:00:00

abstract：:Unilateral isometric muscle contractions increase motor-evoked potentials (MEPs) produced by transcranial magnetic stimulation not only in the contracting muscle but also in the resting contralateral homologous muscle. Corticospinal excitability in the M1 contralateral to the contracting muscle changes depending on th...

journal_title：Experimental brain research

authors： Uematsu A,Obata H,Endoh T,Kitamura T,Hortobágyi T,Nakazawa K,Suzuki S

更新日期：2010-09-01 00:00:00

abstract：:It is an unresolved question whether the posture of single fingers relative to each other is represented in the brain within an external frame of reference. In two experiments, we investigated postural influences on the processing of tactile stimuli at fingers and hands. Healthy subjects received two simultaneous tact...

journal_title：Experimental brain research

authors： Riemer M,Trojan J,Kleinböhl D,Hölzl R

更新日期：2010-09-01 00:00:00

abstract：:The main aim of the present study was to explore, by means of high-density EEG, the intensity and the temporal pattern of event-related sensory-motor alpha desynchronization (ERD) during the observation of different types of hand motor acts and gestures. In particular, we aimed to investigate whether the sensory-motor...

journal_title：Experimental brain research

authors： Streltsova A,Berchio C,Gallese V,Umilta' MA

更新日期：2010-09-01 00:00:00

abstract：:Previous studies have shown that both young and older subjects adapt their reaches in response to a visuomotor distortion. It has been suggested that one's continued ability to adapt to a visuomotor distortion with advancing age is due to the preservation of implicit learning mechanisms, where implicit learning mechan...

journal_title：Experimental brain research

authors： Cressman EK,Salomonczyk D,Henriques DY

更新日期：2010-09-01 00:00:00

abstract：:Traditional approaches to research on bimanual coordination focus on sensorimotor interference, motor programming, and effects of perception and feedback guidance; surprisingly, little is known about high-level conceptual constraints that might unify separate movements into coordinated actions. We investigated two pos...

journal_title：Experimental brain research

authors： Franz EA,McCormick R

更新日期：2010-08-01 00:00:00

abstract：:Pain is a conscious experience, crucial for survival. To investigate the neural basis of pain perception in humans, a large number of investigators apply noxious stimuli to the body of volunteers while sampling brain activity using different functional neuroimaging techniques. These responses have been shown to origin...

journal_title：Experimental brain research

authors： Iannetti GD,Mouraux A

更新日期：2010-08-01 00:00:00

abstract：:The praxis system comprises a network of brain regions dedicated to complex skilled movements. Following suggestions of a female advantage on learned movements (Chipman and Hampson in Neuropsychologia 44(12):2315-2329, 2006), we investigated how males and females acquire skilled movements. Subjects viewed and imitated...

journal_title：Experimental brain research

authors： Cohen NR,Pomplun M,Gold BJ,Sekuler R

更新日期：2010-08-01 00:00:00

abstract：:There is still controversy in the literature whether a single episode of mild traumatic brain injury (MTBI) results in short-term functional and/or structural deficits as well as any induced long-term residual effects. With the inability of traditional structural brain imaging techniques to accurately diagnosis MTBI, ...

journal_title：Experimental brain research

authors： Zhang K,Johnson B,Pennell D,Ray W,Sebastianelli W,Slobounov S

更新日期：2010-07-01 00:00:00

abstract：:How do we achieve unitary perception of an object when it touches two parts of the sensory epithelium that are not contiguous? We investigated this problem with a simple psychophysical task, which we then used in an fMRI experiment. Two wooden rods were moved over two digits positioned to be spatially adjacent. The di...

journal_title：Experimental brain research

authors： Peelen MV,Rogers J,Wing AM,Downing PE,Bracewell RM

更新日期：2010-07-01 00:00:00

abstract：:In general, social neuroscience research tends to focus on visual and auditory channels as routes for social information. However, because the skin is the site of events and processes crucial to the way we think about, feel about, and interact with one another, touch can mediate social perceptions in various ways. Thi...

journal_title：Experimental brain research

authors： Morrison I,Löken LS,Olausson H

更新日期：2010-07-01 00:00:00

abstract：:Perhaps the most intriguing disorders of body representation are those that are not due to primary disease of brain tissue. Strange and sometimes painful phantom limb sensations can result from loss of afference to the brain; and Complex Regional Pain Syndrome (CRPS)-the subject of the current report-can follow limb t...

journal_title：Experimental brain research

authors： Bultitude JH,Rafal RD

更新日期：2010-07-01 00:00:00

abstract：:The contextual interference hypothesis proposes that when learning multiple skills, massing practice leads to better within-day acquisition, whereas random practice leads to better retention and transfer. In this experiment, we examined the effect of practice pattern on the learning, consolidation (retention), and tra...

journal_title：Experimental brain research

authors： Savion-Lemieux T,Penhune VB

更新日期：2010-07-01 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

authors： McHugh JE,McDonnell R,O'Sullivan C,Newell FN

更新日期：2010-07-01 00:00:00

abstract：:When two hands require different information in bimanual asymmetric movements, interference can occur via callosal connections and ipsilateral corticospinal pathways. This interference could potentially work as a cost-effective measure in symmetric movements, allowing the same information to be commonly available to b...

journal_title：Experimental brain research

authors： Aramaki Y,Osu R,Sadato N

更新日期：2010-06-01 00:00:00

abstract：:Saccadic adaptation maintains saccade accuracy and has been studied with the intrasaccadic target displacement procedure: displacing a target backwards (or forwards) during saccade execution gradually decreases (or increases) subsequent saccade amplitude. Adaptation has traditionally been studied with targeting saccad...

journal_title：Experimental brain research

authors： Lavergne L,Vergilino-Perez D,Collins T,Doré-Mazars K

更新日期：2010-06-01 00:00:00

abstract：:The Stroop test enables interference between color naming and reading to be studied. Protopapas et al. (2007) reported more errors in an interference task and longer reaction times in 12.5-year-old dyslexics; also more Stroop interference with lower reading skills. The present study uses a version of the Stroop with f...

journal_title：Experimental brain research

authors： Kapoula Z,Lê TT,Bonnet A,Bourtoire P,Demule E,Fauvel C,Quilicci C,Yang Q

更新日期：2010-06-01 00:00:00

abstract：:The aim of the study was to define the spike threshold changes in motoneurons during naturally evoked activation. Spike activity was evoked in the gastrocnemius-soleus motoneurons of decerebrate cats by controlled stretches of the homonymous muscles. The spike thresholds were defined by using the first derivative of t...

journal_title：Experimental brain research

authors： Kostyukov AI,Lytvynenko SV,Bulgakova NV,Gorkovenko AV

更新日期：2010-06-01 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：:Postural instability evokes cortical and autonomic reactions in addition to the primary compensatory response, and it is hypothesized that these responses may be related to underlying affective influences such as tonic physiological arousal. The purpose of this study was to determine whether perturbation-evoked cortic...

journal_title：Experimental brain research

authors： Sibley KM,Mochizuki G,Frank JS,McIlroy WE

更新日期：2010-06-01 00:00:00

abstract：:Artificial sensations can be produced by direct brain stimulation of sensory areas through implanted microelectrodes, but the perceptual psychophysics of such artificial sensations are not well understood. Based on prior work in cortical stimulation, we hypothesized that perceived intensity of electrical stimulation m...

journal_title：Experimental brain research

authors： Fridman GY,Blair HT,Blaisdell AP,Judy JW

更新日期：2010-06-01 00:00:00

abstract：:Recently, it has been reported that grasping with the left hand is more vulnerable to visual size illusions than grasping with the right hand. The present study investigated whether this increased sensitivity of the left hand for visual context extends to reaching. Left- and right-handed participants reached for targe...

journal_title：Experimental brain research

authors： Adam JJ,Müskens R,Hoonhorst S,Pratt J,Fischer MH

更新日期：2010-05-01 00:00:00

abstract：:In dystonia, both sensory malfunctioning and an abnormal intermuscular low-frequency drive of 3-7 Hz have been found, although cause and effect are unknown. It is hypothesized that sensory processing is primarily disturbed and induces this drive. Accordingly, experimenter-controlled sensory input should be able to inf...

journal_title：Experimental brain research

authors： van der Meer JN,Schouten AC,Bour LJ,de Vlugt E,van Rootselaar AF,van der Helm FC,Tijssen MA

更新日期：2010-05-01 00:00:00

abstract：:Studies on grasp control underlying manual dexterity in people with Parkinson disease (PD) suggest that anticipatory grasp control is mainly unaffected during discrete tasks using simple two-digit grasp. Nevertheless, impaired hand function during daily activities is one of the most disabling symptoms of PD. As many d...

journal_title：Experimental brain research

authors： Albert F,Diermayr G,McIsaac TL,Gordon AM

更新日期：2010-05-01 00:00:00

abstract：:The purpose of this study was to determine if recovery of neurologically impaired hand function following isolated motor cortex injury would occur without constraint of the non-impaired limb, and without daily forced use of the impaired limb. Nine monkeys (Macaca mulatta) received neurosurgical lesions of various exte...

journal_title：Experimental brain research

authors： Darling WG,Pizzimenti MA,Rotella DL,Hynes SM,Ge J,Stilwell-Morecraft KS,Vanadurongvan T,McNeal DW,Solon-Cline KM,Morecraft RJ

更新日期：2010-05-01 00:00:00

abstract：:Human gait is a complex process in the central nervous system that results from the integrity of various mechanisms, including different cortical and subcortical structures. In the present study, we investigated cortical activity during lower limb movement using EEG. Assisted by a dynamic tilt table, all subjects perf...

journal_title：Experimental brain research

authors： Wieser M,Haefeli J,Bütler L,Jäncke L,Riener R,Koeneke S

更新日期：2010-05-01 00:00:00