Results 31 to 40 of about 119,777 (260)

Monopolar 250–500 Hz language mapping: Results of 41 patients

open access: yesClinical Neurophysiology Practice, 2019
Objectives: To determine whether high-frequency 250–500 Hz monopolar stimulation is effective for mapping cortical and subcortical language structures during brain tumor resection. Methods: Using high-frequency monopolar stimulation, we mapped the speech
S.M. Verst   +5 more
doaj   +1 more source

The Geometry of Visual Cortical Maps [PDF]

open access: yesNeuron, 2016
The primary visual cortex has a map of multiple visual parameters whose topographic relations remain poorly understood. A new study (Nauhaus et al., 2016) reveals a nearly geometric map-topography that coexists within a remarkably precise representation of visual space.
openaire   +2 more sources

Navigated TMS mapping using the grid-based algorithm to evaluate the reorganization of cortical muscle representation in amyotrophic lateral sclerosis

open access: yesАнналы клинической и экспериментальной неврологии, 2019
Introduction. Motor cortex mapping using navigated transcranial magnetic stimulation (TMS) is a promising method for assessing motor cortex reorganization in amyotrophic lateral sclerosis (ALS).
Ilya S. Bakulin   +6 more
doaj   +1 more source

MNI2CPC: A probabilistic cortex-to-scalp mapping for non-invasive brain stimulation targeting

open access: yesBrain Stimulation, 2023
Background: Synthesis of neural imaging information from many studies is valuable for identifying stable cortical targets for non-invasive brain stimulation (NIBS).
Farui Liu   +6 more
doaj   +1 more source

Rapid Identification of Cortical Motor Areas in Rodents by High-Frequency Automatic Cortical Stimulation and Novel Motor Threshold Algorithm

open access: yesFrontiers in Neuroscience, 2017
Cortical stimulation mapping is a valuable tool to test the functional organization of the motor cortex in both basic neurophysiology (e.g., elucidating the process of motor plasticity) and clinical practice (e.g., before resecting brain tumors involving
Mitsuaki Takemi   +10 more
doaj   +1 more source

Topology-preserving smoothing of retinotopic maps.

open access: yesPLoS Computational Biology, 2021
Retinotopic mapping, i.e., the mapping between visual inputs on the retina and neuronal activations in cortical visual areas, is one of the central topics in visual neuroscience.
Yanshuai Tu   +3 more
doaj   +1 more source

Pattern formation and cortical maps [PDF]

open access: yesJournal of Physiology-Paris, 2003
The response selectivities of neurons in adult primary sensory cortices depend on intricate patterns of synaptic connections; these selectivities are arranged over cortex in equally rich fashion. Characterising these patterns, and particularly the activity-dependence (and independence) of their developmental trajectories, has been a major task for ...
openaire   +3 more sources

Merging functional and structural properties of the monkey auditory cortex

open access: yesFrontiers in Neuroscience, 2014
Recent neuroimaging studies in primates aim to define the functional properties of auditory cortical areas, especially areas beyond A1, in order to further our understanding of the auditory cortical organization.
Olivier eJoly   +5 more
doaj   +1 more source

Rapid motor cortical reorganization following subacute spinal cord dysfunction

open access: yesBrain Stimulation, 2020
Objective: Damage to the spinal cord is known to be associated with a posterior shift of the motor cortical upper limb representation, i.e. towards the somatosensory cortex.
M.T. Dias Leao   +4 more
doaj   +1 more source

Early Impact of Childhood Opportunity on Neurocognitive Outcomes in Sickle Cell Disease

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Introduction Neurocognitive impairment is a well‐recognized complication of sickle cell disease (SCD) that begins early in childhood and persists across development. While cerebrovascular injury contributes substantially to risk, neurocognitive deficits are also observed in children without overt or silent cerebral infarctions, suggesting ...
Julia E. LaMotte   +5 more
wiley   +1 more source

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