Acute aerobic exercise modulates primary motor cortex inhibition.

abstract：:Intracellular recordings from thalamic neurons receiving cerebellar inputs were performed under urethane anesthesia in the rat. A total of 64 neurons were recorded intracellularly with micropipettes filled with 4% biocytin solution (dissolved in 0.5 M K-acetate), and cerebellar-induced EPSPs (CN-EPSPs), the membrane r...

journal_title：Experimental brain research

authors： Yamamoto T,Kishimoto Y,Yoshikawa H,Oka H

更新日期：1991-01-01 00:00:00

abstract：:The possibility that effects of fornix stimulation on units in the medial preoptic region (MPO) may be via an interposed neuron in the dorsal septum was investigated using electrophysiological techniques. We found a reciprocal monosynaptic linkage between the MPO and the dorsal, medial and fimbrial septal nuclei. When...

journal_title：Experimental brain research

authors： Hubbard JI,Sirett NE,Mills RG,Hyland BI

更新日期：1986-01-01 00:00:00

abstract：:In a series of experiments in which the known projections of the septal complex to the hippocampal formation have been transected, we have used both anterograde and retrograde tracing techniques in an attempt to demonstrate a ventral septo-hippocampal pathway. In cases where transections of the fimbria, dorsal fornix ...

journal_title：Experimental brain research

authors： Milner TA,Amaral DG

更新日期：1984-01-01 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：:Standing and walking are very different tasks. It might be reasonable, therefore, to assume that the mechanisms used to maintain the stability of standing and walking should be quite different. However, many studies have shown that postural stability measures can generally predict risk of falls, even though most falls...

journal_title：Experimental brain research

authors： Kang HG,Dingwell JB

更新日期：2006-06-01 00:00:00

abstract：:The executive functions, which depend on the adequate maturation and functioning of the prefrontal cortex and its connection to posterior zones, follow a process of development as age increases. This work studied changes in the absolute power (AP) of EEG activity recorded in the prefrontal and parietal areas during th...

journal_title：Experimental brain research

authors： Guevara MÁ,Hernández González M,Rizo Martínez LE,Robles Aguirre FA

更新日期：2013-11-01 00:00:00

abstract：:Patients with Parkinson's disease (PD) commonly exhibit difficulties performing simultaneous tasks and levodopa has been shown to improve the performance of these movements to a greater extent than movements performed in isolation. The aim of this study was to compare the effects of acute unilateral pallidal lesions (...

journal_title：Experimental brain research

authors： Levy R,Lang AE,Hutchison WD,Lozano AM,Dostrovsky JO

更新日期：2002-12-01 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

authors： Rand MK,Stelmach GE

更新日期：2000-09-01 00:00:00

abstract：:We had recumbent subjects (n = 7) indicate the amplitude of imposed, passive yaw-axis body rotations in the 0, 1, and 1.8 g background force levels generated during parabolic flight maneuvers. The blindfolded subject, restrained in a cradle, aligned a gravity-neutral pointer with the subjective vertical while in an in...

journal_title：Experimental brain research

authors： Lackner JR,DiZio P

更新日期：2009-05-01 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：:We studied the effects of fatigue, induced by a 60-s maximal isometric force production with the index finger, on multi-finger coordination and force production by the other fingers of the hand. Finger forces were measured during single- and multi-finger maximal voluntary force production (MVC) at two sites, the middl...

journal_title：Experimental brain research

authors： Danion F,Latash ML,Li ZM,Zatsiorsky VM

更新日期：2001-06-01 00:00:00

abstract：:Extracellularly recorded action potentials from 49 Bötzinger-complex, bulbospinal expiratory neurones were used as triggers to compute 162 spike-triggered averages (STAs) of intracellular potentials recorded from 167 respiratory neurones in the ventral respiratory group (VRG) near the obex in 15 vagotomized, paralysed...

journal_title：Experimental brain research

authors： Tian GF,Peever JH,Duffin J

更新日期：1999-01-01 00:00:00

abstract：:We sought to determine whether mirror-symmetrical limb movements (so-called anti-pointing) elicit a pattern of endpoint bias commensurate with perceptual judgments. In particular, we examined whether asymmetries related to the perceptual over- and under-estimation of target extent in respective left and right visual s...

journal_title：Experimental brain research

authors： Heath M,Maraj A,Gradkowski A,Binsted G

更新日期：2009-01-01 00:00:00

abstract：:We investigated whether the control of movement of the left hand is more likely to involve the use of allocentric information than movements performed with the right hand. Previous studies (Gonzalez et al. in J Neurophys 95:3496-3501, 2006; De Grave et al. in Exp Br Res 193:421-427, 2009) have reported contradictory f...

journal_title：Experimental brain research

authors： van der Kamp J,de Wit MM,Masters RS

更新日期：2012-04-01 00:00:00

abstract：:During the course of an in vivo intracellular labeling study, a chandelier (axo-axonic) cell was completely filled with biocytin in the CA1 region of the hippocampus. Chandelier cells are known to provide GABAergic terminals exclusively to the axon initial segment of pyramidal cells. The lateral extent and laminar dis...

journal_title：Experimental brain research

authors： Li XG,Somogyi P,Tepper JM,Buzsáki G

更新日期：1992-01-01 00:00:00

abstract：:This paper investigates how the efficiency and robustness of a skilled rhythmic task compete against each other in the control of a bimanual movement. Human subjects juggled a puck in 2D through impacts with two metallic arms, requiring rhythmic bimanual actuation. The arms kinematics were only constrained by the posi...

journal_title：Experimental brain research

authors： Ronsse R,Thonnard JL,Lefèvre P,Sepulchre R

更新日期：2008-05-01 00:00:00

abstract：:This study aimed to examine the effect of explicit cuing on reactive stepping with the paretic limb during slip-like perturbations in stroke survivors and to identify differences in postural stability and fall-risk while stepping with either limb. Eleven chronic hemiparetic stroke survivors received slip-like stance p...

journal_title：Experimental brain research

authors： Patel P,Bhatt T

更新日期：2015-11-01 00:00:00

abstract：:The postnatal development of monoamine levels and receptors in the occipital cortex of the cat has been investigated using neurochemical techniques. The endogenous catecholamines (noradrenaline and dopamine) gradually increased with age, displaying an about 12-13-fold increase in their concentration from the newborn t...

journal_title：Experimental brain research

authors： Jonsson G,Kasamatsu T

更新日期：1983-01-01 00:00:00

abstract：:It has previously been demonstrated that Pre-I neurons, localized in the rostral ventrolateral medulla, are important in the generation of the primary respiratory rhythm in brainstem-spinal cord preparations from newborn rats. To investigate whether or not Pre-I neurons have endogenous pacemaker properties, we examine...

journal_title：Experimental brain research

authors： Onimaru H,Arata A,Homma I

更新日期：1989-01-01 00:00:00

abstract：:Gaze in real-world scenarios is controlled by a huge variety of parameters, such as stimulus features, instructions or context, all of which have been studied systematically in laboratory studies. It is, however, unclear how these results transfer to real-world situations, when participants are largely unconstrained i...

journal_title：Experimental brain research

authors： 't Hart BM,Einhäuser W

更新日期：2012-11-01 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：:Transcranial magnetic stimulation (TMS) applied over the occipital lobe approximately 100 ms after the onset of a stimulus decreases its visibility if it appears in the location of the phosphene. Because phosphenes can also be elicited by stimulation of the parietal regions, we asked if the same procedure that is used...

journal_title：Experimental brain research

authors： Tapia E,Mazzi C,Savazzi S,Beck DM

更新日期：2014-06-01 00:00:00

abstract：:This study assessed the effects of operant conditioning of the H-reflex on motoneuron axonal conduction velocity in the rat. After measurement of the control H-reflex size, rats were either exposed for at least 40 days to the HRup or HRdown conditioning mode, in which reward occurred only if the soleus H-reflex was gr...

journal_title：Experimental brain research

authors： Carp JS,Chen XY,Sheikh H,Wolpaw JR

更新日期：2001-01-01 00:00:00

abstract：:Several experiments have suggested that similar physiological substrates are involved in movement execution and motor imagery, and that the same laws of movement control apply to both processes. Using a mental chronometry paradigm, we examined the effects of movement direction and added mass on the duration of actual ...

journal_title：Experimental brain research

authors： Papaxanthis C,Schieppati M,Gentili R,Pozzo T

更新日期：2002-04-01 00:00:00

abstract：:In order to navigate efficiently, animals can benefit from internal representations of their moment-to-moment orientation. Head-direction (HD) cells are neurons that discharge maximally when the head of a rat is oriented in a specific ("preferred") direction in the horizontal plane, independently from position or ongo...

journal_title：Experimental brain research

authors： Zugaro MB,Tabuchi E,Wiener SI

更新日期：2000-07-01 00:00:00

abstract：:The biceps femoris (BF) muscle is divided into three neuromuscular compartments defined by the innervation patterns of the main nerve branches (English and Weeks 1987). The goals of this study were i) to determine how different regions of the biceps femoris muscle are activated in the intact cat during a broad range o...

journal_title：Experimental brain research

authors： Chanaud CM,Macpherson JM

更新日期：1991-01-01 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：:Following the theoretical notion that tools often extend one's body, in the present study, we investigated whether imitation of hand or tool actions is modulated by effector-specific information. Subjects performed grasping actions toward an object with either a handheld tool or their right hand. Actions were initiate...

journal_title：Experimental brain research

authors： van Elk M,van Schie HT,Bekkering H

更新日期：2011-10-01 00:00:00

abstract：:The axon initial segment of cortical principal neurones contains an organelle consisting of two to four stacks of flat, membrane-delineated cisternae alternating with electron-dense, fibrillar material. These cisternal organelles are situated predominantly close to the synaptic junctions of GABAergic axo-axonic cell t...

journal_title：Experimental brain research

authors： Benedeczky I,Molnár E,Somogyi P

更新日期：1994-01-01 00:00:00

abstract：:The properties of the retinal ganglion cell classes in the cuban treefrog Hyla septentrionalis were studied qualitatively and quantitatively. In the superficial layers of the optic tectum three main classes of afferent optic nerve fibers could be distinguished, class-1*, class-3 and class-4 neurons. Hyla displays a mo...

journal_title：Experimental brain research

authors： Grüsser-Cornehls U

更新日期：1988-01-01 00:00:00