Abstract：
:The dorsal and ventral streams model of action and perception suggests that reaching to grasp a tool for use involves integrated operation of the two streams. Few attempts have been made to test the limits of this integration in normal subjects. Twenty normal subjects reached for tools or geometric objects which were rotated rapidly during reaching or immediately beforehand. In a first experiment it was shown that reaching for an inverted tool was slower than reaching for objects which required hand inversion due to proximity to a physical barrier. Also, for the right hand, tool rotation during reaching provoked a higher incidence of hand rotation in the wrong direction than did rotation of objects. In a second similar experiment, hand inversion when grasping objects was induced by the need to plan a future action rather than by proximity of a physical barrier. Despite this balancing of complexity of postural planning for tools and objects, hand rotation errors for both hands were more common for tools than objects. This was consistent with the two-stream model in suggesting that there was a process which produced rapid online tracking of stimulus rotation and this had to be overcome by a slower process which dictated grasping in accordance with knowledge of tool use.
journal_name
Exp Brain Resjournal_title
Experimental brain researchauthors
Sunderland Adoi
10.1007/s00221-013-3501-9subject
Has Abstractpub_date
2013-06-01 00:00:00pages
211-22issue
2eissn
0014-4819issn
1432-1106journal_volume
227pub_type
杂志文章abstract：:Using laminar field potential analysis, we examined responses elicited by both photic and optic nerve stimulations in 30 kittens of 0--65 days of age and in three adult cats. In adult cats, the response in the visual cortex on optic nerve stimulations is a wave complex which consists mainly of surface positive depth n...
journal_title：Experimental brain research
pub_type： 杂志文章
doi：10.1007/BF00236803
更新日期：1983-01-01 00:00:00
abstract：:Tactile motion perception is one of the most important functions for realizing a delicate appreciation of the tactile world. To explore the neural dynamics of motion processing in the brain, the motion adaptation phenomenon can be a useful probe. Tactile motion aftereffects (MAE), however, have not been reported in a ...
journal_title：Experimental brain research
pub_type： 杂志文章
doi：10.1007/s00221-007-0979-z
更新日期：2007-07-01 00:00:00
abstract：:Touches on one hand or forearm can affect tactile sensitivity at contralateral locations on the opposite side of the body. These interactions suggest an intimate connection between the two sides of the body. Here, we explore the effect of masking not across the body but through the body by measuring the effect of a ma...
journal_title：Experimental brain research
pub_type： 杂志文章
doi：10.1007/s00221-014-3955-4
更新日期：2014-09-01 00:00:00
abstract：:We examined the characteristics of postsynaptic potentials (PSPs) produced in antidromically-identified medical gastrocnemius (MG) alpha-motoneurons by electrical stimulation of low threshold (less than 3 x T) distal limb cutaneous afferents in the sural (SUR) nerve in adult cats anesthetized with alpha-chloralose, to...
journal_title：Experimental brain research
pub_type： 杂志文章
doi：10.1007/BF00235772
更新日期：1982-01-01 00:00:00
abstract：:Studies on motor learning typically present a constant adaptation stimulus, corresponding to the desired final adaptive state. Studies of the auditory and optokinetic systems provide compelling evidence that neural plasticity is enhanced when the error signal driving adaptation is instead adjusted gradually throughout...
journal_title：Experimental brain research
pub_type： 杂志文章
doi：10.1007/s00221-008-1537-z
更新日期：2008-12-01 00:00:00
abstract：:The memory for the final position of a moving object which suddenly disappears has been found to be displaced forward, in the direction of motion, and downwards, in the direction of gravity. These phenomena were coined, respectively, Representational Momentum and Representational Gravity. Although both these and simil...
journal_title：Experimental brain research
pub_type： 杂志文章
doi：10.1007/s00221-016-4654-0
更新日期：2016-09-01 00:00:00
abstract：:It is known that, when both forearms are rotated rhythmically and symmetrically, the dominant hand leads in time by about 25 ms, irrespective of movement speed. Positron emission tomography was used to test the hypothesis that the asynchrony results from a functional hemispheric asymmetry. We found that in normal, adu...
journal_title：Experimental brain research
pub_type： 杂志文章
doi：10.1007/s002210050428
更新日期：1998-06-01 00:00:00
abstract：:The present study examines the development of grip force modulation relating to self-induced loads during repetitive vertical arm movements at different frequencies with a hand-held object. One hundred and thirty-four 3- to 6-year-old children and 16 adults were asked to move a lightweight object up and down at increa...
journal_title：Experimental brain research
pub_type： 杂志文章
doi：10.1007/s002210000622
更新日期：2001-05-01 00:00:00
abstract：:Motor imagery (MI - i.e., the mental representation of an action without physically executing it) stimulates brain motor networks and promotes motor learning after spinal cord injury (SCI). An interesting issue is whether the brain networks controlling MI are being reorganized with reference to spared motor functions....
journal_title：Experimental brain research
pub_type： 杂志文章
doi：10.1007/s00221-014-4114-7
更新日期：2015-01-01 00:00:00
abstract：:Supernumerary phantom limb (SPL) designates the experience of an illusory additional limb occurring after brain damage. Functional neuroimaging during SPL movements documented increased response in the ipsilesional supplementary motor area (SMA), premotor cortex (PMC), thalamus and caudate. This suggested that motor c...
journal_title：Experimental brain research
pub_type： 杂志文章
doi：10.1007/s00221-017-5044-y
更新日期：2017-10-01 00:00:00
abstract：:Supervised learning of different postural tasks in patients with lesions of the motor cortex or pyramidal system (poststroke hemiparesis: 20 patients), nigro-striatal system (Parkinson's disease: 33 patients) and cerebellum (spinocerebellar ataxia: 37 patients) was studied. A control group consisted of 13 healthy subj...
journal_title：Experimental brain research
pub_type： 杂志文章
doi：10.1007/s00221-005-0096-9
更新日期：2006-01-01 00:00:00
abstract：:Activities of 53 neurons in the brain stem were recorded with chronically implanted fine wires in freely eating and drinking rats. Twenty units were isolated from the trigeminal mesencephalic nucleus; 18 were spindle afferents and 2 periodontal afferents. The spindle units were classified into 4 types: 5 units showed ...
journal_title：Experimental brain research
pub_type： 杂志文章
doi：10.1007/BF00247896
更新日期：1989-01-01 00:00:00
abstract：:The present study characterizes expression of calbindin D28K (CB-D28K) and parvalbumin (PV) in ventral forebrain (VFB) grafts placed in the neocortex of adult rats bearing quisqualic acid lesions to the nucleus basalis magnocellularis. Three to nine months after transplantation surgery, rats were killed for in situ hy...
journal_title：Experimental brain research
pub_type： 杂志文章
doi：10.1007/s002210050311
更新日期：1998-02-01 00:00:00
abstract：:We examined the lower limb joint kinematics observed during pre- and postflight treadmill walking performed by seven subjects from three Space Shuttle flights flown between March 1992 and February 1994. Basic temporal characteristics of the gait patterns, such as stride time and duty cycle, showed no significant chang...
journal_title：Experimental brain research
pub_type： 杂志文章
doi：10.1007/BF00227650
更新日期：1996-11-01 00:00:00
abstract：:Visual feedback is essential when minimizing force fluctuations. Varying degrees of somatotopic organization have been shown in different regions of the brain for the upper and lower extremities, and visual feedback may be processed differently based on the body effector where feedback-based corrections are used. This...
journal_title：Experimental brain research
pub_type： 杂志文章
doi：10.1007/s00221-009-1966-3
更新日期：2010-01-01 00:00:00
abstract：:In our study we examined, in the rabbit, the interactions between temperature regulation and the state of increased vigilance and emotional arousal induced by a Classical Aversive Conditioning Procedure. A Delay Conditioning Procedure was used. The Conditioned Stimulus (CS) was a 1350 Hz, 85 dB tone, the Unconditioned...
journal_title：Experimental brain research
pub_type： 杂志文章
doi：10.1007/BF00238813
更新日期：1981-01-01 00:00:00
abstract：:The thalamic reticular nucleus (RTN) exerts an inhibitory influence upon the dorsal thalamus. During wakefulness and arousal, RTN neurons fire tonically, whereas during slow-wave sleep they fire rhythmic high frequency bursts. The effects produced by RTN inhibition upon the activity of dorsal thalamic neurons will the...
journal_title：Experimental brain research
pub_type： 杂志文章
doi：10.1007/BF00227192
更新日期：1994-01-01 00:00:00
abstract：:The relationship between neuronal calcium binding protein content (calbindin D28K: CaBP and parvalbumin: PV) and vulnerability to ischemia was studied in different regions of the rat brain using the four vessel occlusion model of complete forebrain ischemia. The areas studied, i.e. the hippocampal formation, neocortex...
journal_title：Experimental brain research
pub_type： 杂志文章
doi：10.1007/BF00232193
更新日期：1990-01-01 00:00:00
abstract：:The genesis of the cuneothalamic neurons (CTNs) in the rat cuneate nucleus was determined by a double-labeling method using 5'-bromodeoxyuridine (BrdU), the thymidine analogue, and Fluoro-Gold (FG), a retrograde fluorescent tracer. BrdU-positive cells were observed in the cuneate nucleus in all rats receiving BrdU inj...
journal_title：Experimental brain research
pub_type： 杂志文章
doi：10.1007/s00221-001-0950-3
更新日期：2002-02-01 00:00:00
abstract：:In a previous study of the heat grill illusion, sensations of burning and stinging were sometimes reported when the skin was cooled by as little as 2 degrees C. Informal tests subsequently indicated that these nociceptive sensations were experienced if cooling occurred when the stimulating thermode rested on the skin,...
journal_title：Experimental brain research
pub_type： 杂志文章
doi：10.1007/s00221-002-1280-9
更新日期：2003-02-01 00:00:00
abstract：:Dorsal horn neurons that express the neurokinin 1 receptor (NK-1R) play an important role in nociceptive processing. The targetting of NK-1R neurons by serotoninergic (5-hydroxytryptamine, 5-HT) axons would provide a straightforward means to exert an inhibitory analgesic effect at spinal level. This study used single ...
journal_title：Experimental brain research
pub_type： 杂志文章
doi：10.1007/s00221-004-2018-7
更新日期：2005-01-01 00:00:00
abstract：:The axonal conduction latency of brisk-sustained and brisk-transient cat retinal ganglion cells increases with proximity to the area centralis. The trend is gradual with considerable local scatter of latencies, and is similar for cells with crossed and uncrossed axons. ...
journal_title：Experimental brain research
pub_type： 杂志文章
doi：10.1007/BF00238731
更新日期：1975-07-11 00:00:00
abstract：:A total of ten alpha motor axons which innervated the peroneus brevis muscle were isolated in two cynomolgus monkeys. In each experiment, the isolated alpha axons were stimulated collectively to deplete glycogen from their muscle units. The muscle was then frozen quickly , cut serially, and stained for glycogen. Of th...
journal_title：Experimental brain research
pub_type： 杂志文章
doi：10.1007/BF00237175
更新日期：1982-01-01 00:00:00
abstract：:Two versions of the hypothesis that discrete movements are produced by shifts in the system's equilibrium point are considered. The first suggests that shifts are monotonic and end near the peak velocity of movement, and the second presumes that they are nonmonotonic ("N-shaped") and proceed until the end of movement....
journal_title：Experimental brain research
pub_type： 临床试验,杂志文章,随机对照试验
doi：10.1007/BF00241503
更新日期：1995-01-01 00:00:00
abstract：:Spontaneous firing of midbrain reticular formation (MRF) neurons was recorded extracellularly in chronically implanted, behaving cats during steady and transitional states of the sleep-waking cycle. Physiological identification of receiver and/or projection MRF neurons was achieved through orthodromically elicited dis...
journal_title：Experimental brain research
pub_type： 杂志文章
doi：10.1007/BF00238096
更新日期：1982-01-01 00:00:00
abstract：:Dissociated cell suspensions were prepared from the ventral midbrain of normal mouse foetuses and stereotaxically implanted into the neostriatum of 2-3 months old homozygous weaver mutant mice, which are severely deficient in dopamine. In tests of amphetamine-induced turning behaviour 60 days after grafting, recipient...
journal_title：Experimental brain research
pub_type： 杂志文章
doi：10.1007/BF00228869
更新日期：1990-01-01 00:00:00
abstract：:Arm motor performance of eight Cebus monkeys was examined during reversible cooling in the ventral lateral region of the putamen and globus pallidus (primarily the external segment), where neurons discharging during arm movements have been found (DeLong 1972). When attempting to hold a handle stationary during basal g...
journal_title：Experimental brain research
pub_type： 杂志文章
doi：10.1007/BF00237552
更新日期：1980-01-01 00:00:00
abstract：:Previous findings have suggested that visuomotor programming can make use of learned size information in experimental paradigms where movement kinematics are quite consistent from trial to trial. The present experiment was designed to test whether or not this conclusion could be generalized to a different manipulation...
journal_title：Experimental brain research
pub_type： 临床试验,杂志文章,随机对照试验
doi：10.1007/s00221-002-1250-2
更新日期：2002-12-01 00:00:00
abstract：:We used near-infrared spectroscopy to examine dorsolateral prefrontal cortex (DLPFC) activation over time in 10 children with or at-risk-for developmental coordination disorder (DCD) and 11 typically developing children (ages 8-12) during tasks involving executive processing. The groups performed with similar accuracy...
journal_title：Experimental brain research
pub_type： 杂志文章
doi：10.1007/s00221-018-5358-4
更新日期：2018-11-01 00:00:00
abstract：:Earlier studies have suggested an impairment in the attention and eye movement control of children with ADHD. An important phenomenon in the control of attentional shifts and eye movements is the inhibition of return (IOR), which states that our brain works in a way that prevents our attention from returning to a spat...
journal_title：Experimental brain research
pub_type： 杂志文章
doi：10.1007/s00221-002-1362-8
更新日期：2003-03-01 00:00:00
