143 results found
    1. Neuroscience

    Decoding the neural mechanisms of human tool use

    Jason P Gallivan, D Adam McLean ... Jody C Culham
    Imaging experiments reveal that some brain regions do not distinguish between actions performed using tools and those performed using the hands, while others represent these two types of action separately.
    1. Neuroscience

    Deprivation-related and use-dependent plasticity go hand in hand

    Tamar R Makin, Alona O Cramer ... Heidi Johansen-Berg
    In individuals with a missing hand, the area of the brain that would otherwise control that hand is recruited by either the remaining hand or the residual limb, depending on the usage preference of the individual.
    1. Neuroscience

    Human premotor areas parse sequences into their spatial and temporal features

    Katja Kornysheva, Jörn Diedrichsen
    Neuroimaging provides novel insights into how the motor system represents sequences of actions by automatically separating their spatial and temporal features for flexible skill production.
    1. Neuroscience

    A cortical disinhibitory circuit for enhancing adult plasticity

    Yu Fu, Megumi Kaneko ... Michael P Stryker
    Building on previous work (Kaneko and Stryker, 2014), we report that the specific population of inhibitory neurons that increases the responses of neurons in the visual cortex during locomotion will also, when activated or blocked artificially, dramatically alter adult cortical plasticity, revealing that the aerobic exercise of locomotion is not necessary.
    1. Neuroscience

    Causal manipulation of functional connectivity in a specific neural pathway during behaviour and at rest

    Vanessa M Johnen, Franz-Xaver Neubert ... Matthew F S Rushworth
    Functional connectivity in the human brain reflects changes in synaptic plasticity induced with repeated paired stimulation.
    1. Neuroscience

    Specialized areas for value updating and goal selection in the primate orbitofrontal cortex

    Elisabeth A Murray, Emily J Moylan ... Janita Turchi
    Within the monkey orbitofrontal cortex, a posterior part learns new values, whereas an anterior part translates this knowledge into advantageous decisions.
    1. Neuroscience

    Internal models for interpreting neural population activity during sensorimotor control

    Matthew D Golub, Byron M Yu, Steven M Chase
    A novel analysis of neural activity recorded in monkeys performing a “brain-machine interface” task reveals that a mismatch between motor effectors and the brains’ internal models of those effectors can explain a substantial portion of movement errors.
    1. Computational and Systems Biology

    Distributed task-specific processing of somatosensory feedback for voluntary motor control

    Mohsen Omrani, Chantelle D Murnaghan ... Stephen H Scott
    Somatosensory feedback is transmitted to many sensory and motor cortical regions within 25 milliseconds and ongoing behavioural tasks alter the spatiotemporal pattern of this perturbation-related activity, supporting rapid motor responses to attain behavioural goals.
    1. Neuroscience

    Object vision to hand action in macaque parietal, premotor, and motor cortices

    Stefan Schaffelhofer, Hansjörg Scherberger
    The cortical grasping circuit separates but shares visual and motor processes to transform object attributes into appropriate hand movements.
    1. Neuroscience

    Tagging motor memories with transcranial direct current stimulation allows later artificially-controlled retrieval

    Daichi Nozaki, Atsushi Yokoi ... Jean-Jacques Orban de Xivry
    Noninvasive brain stimulation can artificially tag and retrieve human motor memories by altering the background activity patterns of the sensorimotor cortex.

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