Homuncular organization of human motor cortex as indicated by neuromagnetic recordings
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Cited by (88)
Beyond language: The unspoken sensory-motor representation of the tongue in non-primates, non-human and human primates
2022, Neuroscience and Biobehavioral ReviewsCitation Excerpt :Despite the overall bilateral pattern of cortical activation, higher mean amplitudes were observed contralateral to the stimulation side. MEG-based Movement Related Cortical Fields (MRCFs) - typically used to examine sensorimotor processing in the upper and lower limbs (Hari et al., 1983)- have also been used to probe the organization of the neural motor representation of the oral cavity (Cheyne et al., 1991). Cheyne et al. (1991) observed that MRCFs were observed over the left hemisphere after execution of repetitive horizontal self-paced, non-lateralized tongue protrusions, with the source of the magnetic field being estimated to be originating from the ventral portion of the left motor area.
Response certainty during bimanual movements reduces gamma oscillations in primary motor cortex
2021, NeuroImageCitation Excerpt :Despite the pervasive nature of such uncertainty, very little research has focused on delineating the involved neural systems and their dynamics. Extant research has established that motor function requires the recruitment of neural populations along the precentral gyrus, and that the representation of different body parts along this gyrus follows a stereotyped homuncular organization (Cheyne et al., 1991; Yousry et al., 1997). Beyond the anatomical definitions of motor circuitry, the temporal and spectral features have also received substantial attention.
Presurgical Functional Mapping with Magnetoencephalography
2020, Neuroimaging Clinics of North AmericaCitation Excerpt :Movement-related evoked magnetic fields (MEFs) arise from a readiness potential that precedes a finger or body moment by 1 to 5 seconds, and this potential is widely distributed over the motor-related areas in both hemispheres.18 Many MEG studies have investigated the MEF response in the precentral gyrus that can be detected by MEG 40 to 60 milliseconds before movement.18–22 There are several areas in the cortex that are activated during movement.
Cortico-muscular communication for motor control of the tongue in humans: A review
2016, Journal of Oral Biosciences