The space immediately around the body, known as the peripersonal space (PPS), plays an important role in interactions with the environment. Specific representations are reported to be constructed in the brain. PPS expansion reportedly occurs during whole-body self-motions, such as walking; however, little is known regarding how dynamic cues in proprioceptive/motor information contribute to such phenomena. Thus, we investigated this issue using a pedaling bike situation. We defined PPS as the max...
Last. Alexander S. Aruin(UIC: University of Illinois at Chicago)H-Index: 41
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Ability of the human body to regain balance after being externally perturbed is important in the maintenance of vertical posture. The goal of this study was to investigate trunk and leg muscle response to external perturbation while sitting on a stool with varying seat inclinations. Ten healthy subjects were required to receive a perturbation applied to the upper body while sitting on an adjustable stool with 0°, 10° forward or 10° backward inclination of the seat and without footrest and leg su...
#1Kasia A Myga(Otto-von-Guericke University Magdeburg)
#2Esther Kuehn(Otto-von-Guericke University Magdeburg)H-Index: 3
Last. Elena Azañón(Otto-von-Guericke University Magdeburg)H-Index: 17
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Autosuggestion is a cognitive process that is believed to enable control over one's own cognitive and physiological states. Despite its potential importance for basic science and clinical applications, such as in rehabilitation, stress reduction, or pain therapy, the neurocognitive mechanisms and psychological concepts that underlie autosuggestion are poorly defined. Here, by reviewing empirical data on autosuggestion and related phenomena such as mental imagery, mental simulation, and suggestio...
Viewing one’s smartphone whilst walking commonly leads to a slowing of walking. Slowing walking speed may occur because of the visual constraints related to reading the hand-held phone whilst in motion. We determine how walking-induced phone motion affects the ability to read on-screen information. Phone-reading performance (PRP) was assessed whilst participants walked on a treadmill at various speeds (Slow, Customary, Fast). The fastest speed was repeated, wearing an elbow brace (Braced) or wit...
#1Yaru Gao(SDNU: Shandong Normal University)H-Index: 1
#2Xiangyan Wang(SDNU: Shandong Normal University)H-Index: 1
Last. Jiwei Si(SDNU: Shandong Normal University)H-Index: 4
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In this study, to investigate the influence of numerical surface forms on strategy execution in subtraction and addition, 25 college students were required to perform a mental arithmetic task. Behavioral and electroencephalography responses were recorded to explore the stages of strategy execution. Arithmetic problems were presented within 11–20 by Arabic, Chinese and English numerals, respectively. The results showed that, compared with Arabic and Chinese numerals, participants had longer RTs u...
When reaching to grasp previously seen, now out-of-view objects, we rely on stored perceptual representations to guide our actions, likely encoded by the ventral visual stream. So-called memory-guided actions are numerous in daily life, for instance, as we reach to grasp a coffee cup hidden behind our morning newspaper. Little research has examined obstacle avoidance during memory-guided grasping, though it is possible obstacles with increased perceptual salience will provoke exacerbated avoidan...
This is the response to Prof. Tűrker on his note “challenging” our hypothesis assuming the possibility of two modes of spiking (direct and delayed) evoked by Ia-afferent electrical stimulation in human firing motoneurones. Besides, we touch on some common questions about the most relevant, functionally significant, estimations of motoneuronal firing behaviour in human motor control. In particular, in this context, the question arises: what is more important estimation, motoneurone spiking, itsel...
Motion sickness is the cause of major physical discomfort and impaired performance in many susceptible individuals. Some habituate to sea conditions, whereas others remain chronically susceptible, requiring lifelong pharmaceutical treatment. The present study sets out to investigate whether galvanic vestibular stimulation (GVS) coupled with rotatory chair stimulation could mimic sea conditions and alleviate motion sickness symptoms in individuals deemed chronically susceptible. Thirty seasicknes...
Last. Futoshi Mori(Prefectural University of Hiroshima)H-Index: 10
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Lack of attention to obstacles on the floor or walking path may cause trip and fall accidents. The preparatory activity in the motor cortex to the perturbation associated with obstacle avoidance movements with cognitive task is still unclear. The purpose of this study was to investigate the motor cortical activity involved in the preparation and execution of concurrent obstacle avoidance movement and cognitive task. Twenty young adults were required to step over obstacles that were projected on ...
Last. Grant E. Norte(UT: University of Toledo)H-Index: 10
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To determine the association between cortical activity and postural control performance changes with differing somatosensory perturbations. Healthy individuals (n = 15) performed a single-limb balance task under four conditions: baseline, unstable surface (foam), transcutaneous electrical nerve stimulation (TENS) applied to the stance-limb knee, and combined foam + TENS. Cortical activity was recorded with electroencephalography (EEG) and postural sway via triaxial force plate. EEG signals were ...
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