Items 41-50 of 193
Cross-Modal Distortion of Time Perception: Demerging the Effects of Observed and Performed Motion
Temporal information is often contained in multi-sensory stimuli, but it is currently unknown how the brain combines e.g. visual and auditory cues into a coherent percept of time. The existing studies of cross-modal time ...
Dynamic Flux Tubes Form Reservoirs of Stability in Neuronal Circuits
Neurons in cerebral cortical circuits interact by sending and receiving electrical impulses called spikes. The ongoing spiking activity of cortical circuits is fundamental to many cognitive functions including sensory ...
Flavoprotein Autofluorescence Imaging of Visual System Activity in Zebra Finches and Mice
Large-scale brain activity patterns can be visualized by optical imaging of intrinsic signals (OIS) based on activity-dependent changes in the blood oxygenation level. Another method, flavoprotein autofluorescence imaging ...
Movement-related cortical potentials in paraplegic patients: abnormal patterns and considerations for BCI-rehabilitation.
Non-invasive EEG-based Brain-Computer Interfaces (BCI) can be promising for the motor neuro-rehabilitation of paraplegic patients. However, this shall require detailed knowledge of the abnormalities in the EEG signatures ...
Virtual Grasping: Closed-Loop Force Control Using Electrotactile Feedback
Closing the control loop by providing somatosensory feedback to the user of a prosthesis is a well-known, long standing challenge in the field of prosthetics. Various approaches have been investigated for feedback restoration, ...
EMG-Driven Forward-Dynamic Estimation of Muscle Force and Joint Moment about Multiple Degrees of Freedom in the Human Lower Extremity
This work examined if currently available electromyography (EMG) driven models, that are calibrated to satisfy joint moments about one single degree of freedom (DOF), could provide the same musculotendon unit (MTU) force ...
Low-frequency oscillations of the neural drive to the muscle are increased with experimental muscle pain
We investigated the influence of nociceptive stimulation on the accuracy of task execution and motor unit spike trains during low-force isometric contractions. Muscle pain was induced by infusion of hypertonic saline into ...
Analysis of Synaptic Scaling in Combination with Hebbian Plasticity in Several Simple Networks
Conventional synaptic plasticity in combination with synaptic scaling is a biologically plausible plasticity rule that guides the development of synapses toward stability. Here we analyze the development of synaptic ...
Transfer Entropy Reconstruction and Labeling of Neuronal Connections from Simulated Calcium Imaging
Neuronal dynamics are fundamentally constrained by the underlying structural network architecture, yet much of the details of this synaptic connectivity are still unknown even in neuronal cultures in vitro. Here we extend ...
Perceptual influence of elementary three-dimensional geometry: (1) objectness
Commonly complex cognitive concepts cannot consistently be connected to simple features of the world. Geometrical shape parameters and (e.g., edge features, compactness, color) may play a role for defining individual ...