Does implicit motor imagery ability predict reaching correction efficiency? A test of recent models of human motor control.

abstract：:The elaborative-processing and forgetting-reconstruction hypotheses are the 2 principal explanations for the contextual interference (CI) effect. The present authors' purpose was to identify which of these 2 hypotheses better accounts for the CI effect. They synchronized single transcranial magnetic stimulation (TMS) ...

journal_title：Journal of motor behavior

authors： Lin CH,Fisher BE,Winstein CJ,Wu AD,Gordon J

更新日期：2008-11-01 00:00:00

abstract：:The authors used frame-by-frame video analyses to describe the features of imperative and declarative pointing gestures produced by young children, in comparison to reaching actions. First, the results showed that imperative pointing shared common features with reaching actions (hand shape, arm extension), but body po...

journal_title：Journal of motor behavior

authors： Cochet H,Jover M,Oger L,Vauclair J

更新日期：2014-01-01 00:00:00

abstract：:In the present article, the authors review inverse kinematic research across a number of fields to highlight the similarities among modeling approaches to the problems of reaching and maintenance of posture. Two particular techniques are described: the Berkinblit algorithm, used to model the leg-wiping reflexes of the...

journal_title：Journal of motor behavior

authors： Crowe A,Porrill J,Prescott T

更新日期：1998-09-01 00:00:00

abstract：:The effects of reduced frequency of presentation of relative-liming knowledge of results (KR) on constant and serial practice and whether response stability is associated with increased generalized motor program (GMP) learning were examined. Participants (N = 40) were asked to sequentially depress 4 keys (2, 4, 8, and...

journal_title：Journal of motor behavior

authors： Lai Q,Shea CH

更新日期：1998-03-01 00:00:00

abstract：:The retention characteristics of several cues thought to underlie movement reproduction ability were examined and the results were discussed in terms of two models of motor short-term memory (Laabs, 1973; Pepper & Herman, 1970). Trace decay was indexed by constant error and not variable error. It appeared that the mov...

journal_title：Journal of motor behavior

authors： Marteniuk RG

更新日期：1973-12-01 00:00:00

abstract：:Spatial and metrical parameters of the eye and arm movements made by human subjects (N = 7) in response to visual targets that were stepped unexpectedly either once (single step) or twice (double step) were studied. For the double-step, the displacement of a visual target was decreased or increased in amplitude at int...

journal_title：Journal of motor behavior

authors： Kerr GK,Lockwood RJ

更新日期：1995-12-01 00:00:00

abstract：:Lee and Hirota (1980) claimed to provide evidence for the encoding specificity principle for movement information. I argue that their interpretations are confounded by methodological and theoretical factors. I further suggest that their findings are compatible with generation-recognition models of memory retrieval and...

journal_title：Journal of motor behavior

authors： Crocker PR

更新日期：1982-03-01 00:00:00

abstract：:We investigated the characteristics for force generation and relaxation using graded isometric contractions of the knee extensors. Participants performed the following tasks as quickly and accurately as possible. For the force generation task, force was increased from 0% to 20%, 40% and 60% of the maximal voluntary fo...

journal_title：Journal of motor behavior

authors： Ohtaka C,Fujiwara M

更新日期：2019-01-01 00:00:00

abstract：:How are appropriate combinations of forelimb muscles selected during reach-to-grasp movements in the presence of neuromotor redundancy and important task-related constraints? The authors tested whether grasp type or target location preferentially influence the selection and synergistic coupling between forelimb muscle...

journal_title：Journal of motor behavior

authors： Geed S,van Kan PLE

更新日期：2017-05-01 00:00:00

abstract：:Subjects pressed a key down as fast as possible but controlled the response duration of the keypress. The task required long (300 ±100 msec) and short (150±50 msec) durations in both simple (long only or short only) and choice (mixed long and short) conditions. Choice reaction time was slower than simple reaction time...

journal_title：Journal of motor behavior

authors： Kerr B

更新日期：1979-12-01 00:00:00

abstract：:A voluntary motor response that is prepared in advance of a stimulus may be triggered by any sensory input. This study investigated the combination of visual and kinesthetic inputs in triggering voluntary torque responses. When a visual stimulus was presented alone, subjects produced a fast and accurate increase in el...

journal_title：Journal of motor behavior

authors： Flanders M,Cordo PJ,Anson JG

更新日期：1986-12-01 00:00:00

abstract：:Participants placed different parts of their foot as close as possible to a target line without stepping onto it while wearing modified goggles that obscured their view of their feet. Once they felt that their foot was appropriately placed, the distance between their foot and the target line was measured. Participants...

journal_title：Journal of motor behavior

authors： Kobayashi Y,Fujimoto H,Nakazawa K,Akai M

更新日期：2009-10-01 00:00:00

abstract：:Intermanual interactions are modulated by task requirements in the course of motor preparation. In particular, amplitude coupling is strong when identical amplitudes are specified concurrently for the 2 hands but relaxed when different amplitudes are specified. Similarly, directional coupling is symmetric when symmetr...

journal_title：Journal of motor behavior

authors： Heuer H

更新日期：2006-07-01 00:00:00

abstract：:An experiment is reported that documents the maximum average speed-amplitude relationship across the full range of motion for elbow flexion. Minimum movement time increased as a negative exponential within the movement range up to 94-97% of the maximum range of motion. At this point a discontinuity occurred with movem...

journal_title：Journal of motor behavior

authors： Newell KM,Hancock PA,Robertson RN

更新日期：1984-12-01 00:00:00

abstract：:College men (N=72) were assigned at random to four permutations of activity, either 1 min. of sustained maximal grip flexion or 3 min. of rhythmic exercise at a cadence of 42 contractions/min. Each was separated by a rest interval of 5, 10, 20, 40, 80, 160, or 320 sec. All Ss were tested with each interval of inter-bo...

journal_title：Journal of motor behavior

authors： Kearney JT,Alan Stull G

更新日期：1974-06-01 00:00:00

abstract：:Eye and hand movements can adapt to a variety of sensorimotor discordances. Studies on adaptation of movement directions suggest that the oculomotor and the hand motor system access the same adaptive mechanism related to the polarity of a discordance, because concurrent adaptations to opposite directed discordances st...

journal_title：Journal of motor behavior

authors： Schmitz G,Grigorova V

更新日期：2017-05-01 00:00:00

abstract：:The temporal characteristics of repetitive finger tapping by the left and right hands were examined in two experiments. In the first experiment, interresponse intervals (IRIs) were recorded while right-handed male subjects tapped in synchrony with an auditory timing pulse (the synchronization phase) and then attempted...

journal_title：Journal of motor behavior

authors： Truman G,Hammond GR

更新日期：1990-12-01 00:00:00

abstract：:The relation between progress in the control of posture (i.e., the achievement of self-sitting posture) and the developmental transition from two-handed to one-handed engagement in infant reaching was investigated. Two groups of 5- to 8-month-old infants, who were either able or yet unable to sit on their own, were vi...

journal_title：Journal of motor behavior

authors： Rochat P

更新日期：1992-06-01 00:00:00

abstract：:The purpose of this study was to compare the electroencephalographic (EEG) patterns and reaction times (RTs) of muscle activation between concentric and eccentric biceps brachii contractions under the RT paradigm and to evaluate how the EEG patterns and RTs changed with practice. Sixteen subjects performed 3 sets of 3...

journal_title：Journal of motor behavior

authors： Park JH,Cynn HS,Cha KS,Kim KH,Jeon HS

更新日期：2018-07-01 00:00:00

abstract：:Understanding mechanisms of fatigue of the trunk extensors is important because fatigue is a major factor in predicting incidence of low back pain, but few studies have examined trunk extensor fatigue muscles using differing load types and measured the amplitude and frequency domain of the electromyographic signal to ...

journal_title：Journal of motor behavior

authors： Russ DW,Ross AJ,Clark BC,Thomas JS

更新日期：2018-01-01 00:00:00

abstract：:The authors used a precueing method to examine the effects of response priming and inhibition on goal-directed action. Participants (N = 18) completed aiming movements to 1 of 2 locations following predictive (80% cued), nonpredictive (50% cued), and antipredictive (20% cued) precues at 1 of the 2 possible target loca...

journal_title：Journal of motor behavior

authors： Welsh TN,Elliot D

更新日期：2004-06-01 00:00:00

abstract：:Skilled perceptual-motor performance should be approached from a point of view of the processing operations performed by S in a skilled task. This perspective is emphasized in recent attempts to develop analytic or computer-simulation models of tracking tasks. These models are illustrated, and it is argued that a mode...

journal_title：Journal of motor behavior

authors： Pew RW

更新日期：1970-03-01 00:00:00

abstract：:Patients with Parkinson's disease exhibit a number. of abnormalities that seem more marked in circumstances in which stimulus and response are predictable in advance. In this article, we consider the prolonged movement onset latencies exhibited by Parkinsonian subjects in the tracking of predictable targets and in the...

journal_title：Journal of motor behavior

authors： Henderson L,Goodrich SJ

更新日期：1993-06-01 00:00:00

abstract：:It has been widely shown that human observers are able to perceive lifted weight from the observation of a point-light display of the lifter's action. In the experiments reported here, the kinematic information used by observers to perceive a lifted weight was determined. In Experiment 1, observers (N = 30) were able ...

journal_title：Journal of motor behavior

authors： Shim J,Carlton LG

更新日期：1997-06-01 00:00:00

abstract：:The replication by Landers et al. (1978) of the Martens' (1969) social-facilitation study is evaluated. The atypical constant error (CE) performance curve obtained in the Martens' study may diminish the external validity of the CE results, but not the internal validity. Furthermore, the validity of the AE results as w...

journal_title：Journal of motor behavior

authors： Martens R

更新日期：1979-09-01 00:00:00

abstract：:The aim was to determine whether operating a feedforward schema for generating movement pattern parameters was more successful than an open loop strategy for coping with uncertain initial conditions. A computer simulation model was used to determine the optimal solutions that maximised the likelihood of performing a s...

journal_title：Journal of motor behavior

authors： Hiley MJ,Yeadon MR

更新日期：2020-06-01 00:00:00

abstract：:Although computer models have been extensively used in recent years to understand the way physical systems operate and interact, the enormous power of mathematical modeling and computer simulations has been difficult to implement for the benefit of neuroscientists studying the human motor control system. Nevertheless,...

journal_title：Journal of motor behavior

authors： Ramos CF,Stark LW

更新日期：1988-12-01 00:00:00

abstract：:Currently, a popular model for the central representation of motor skills is embodied in Schmidt's schema theory of discrete motor skill learning (Schmidt, 1975). Two experiments are reported here that contrast predictions from a schema abstraction model that is the basis for schema theory with those from an exemplar-...

journal_title：Journal of motor behavior

authors： Chamberlin CJ,Magill RA

更新日期：1992-12-01 00:00:00

abstract：:The tracking of complex two-dimensional movement patterns was studied. Subjects were blindfolded, and their right hand moved around stencil patterns in the midsagittal plane, while the left hand concurrently reproduced the right-hand movement. The accuracy with which the left hand shadowed the criterion movements of t...

journal_title：Journal of motor behavior

authors： Bairstow PJ,Laszlo JI

更新日期：1979-01-01 00:00:00

abstract：:The authors studied the effects of surface friction at the digit-object interface on digit forces and moments when 12 participants statically held an object in a 5-digit grasp. The authors changed low-friction contact (LFC) with rayon and high-friction contact (HFC) with sandpaper independently for each digit in all 3...

journal_title：Journal of motor behavior

authors： Aoki T,Latash ML,Zatsiorsky VM

更新日期：2007-07-01 00:00:00