The brain lateralization and development of math functions: progress since Sperry, 1974
In 1974, Roger Sperry, based on his seminal studies on the split-brain condition, concluded that math was almost exclusively sustained by the language dominant left hemisphere. The right hemisphere could perform additions up to sums less than 20, the only exception to a complete left hemisphere dominance. Studies on lateralized focal lesions came to a similar conclusion, except for written complex calculation, where spatial abilities are needed to display digits in the right location according to the specific requirements of calculation procedures. Fifty years later, the contribution of new theoretical and instrumental too...
Source: Frontiers in Human Neuroscience - October 27, 2023 Category: Neuroscience Source Type: research
Children with developmental coordination disorder are less able to fine-tune muscle activity in anticipation of postural perturbations than typically developing counterparts
The majority of children with developmental coordination disorder (DCD) struggle with static and dynamic balance, yet there is limited understanding of the underlying neuromechanical mechanisms that underpin poor balance control in these children. Eighteen children with DCD and seven typically developing (TD) children aged 7–10 years stood with eyes open on a moveable platform progressively translated antero-posteriorly through three frequencies (0.1, 0.25 and 0.5 Hz). Myoelectric activity of eight leg muscles, whole-body 3D kinematics and centre of pressure were recorded. At each frequency, postural data were divide...
Source: Frontiers in Human Neuroscience - October 27, 2023 Category: Neuroscience Source Type: research
A systematic review of health disparities research in deep brain stimulation surgery for Parkinson ’s disease
ConclusionThis study highlights factors contributing to disparities in DBS utilization for PD, including race, gender, and socioeconomic status. Public health policymakers, practitioners, and clinicians should recognize these inequalities and work toward reducing disparities, particularly among vulnerable populations. (Source: Frontiers in Human Neuroscience)
Source: Frontiers in Human Neuroscience - October 27, 2023 Category: Neuroscience Source Type: research
Altered brain functional networks in schizophrenia with persistent negative symptoms: an activation likelihood estimation meta-analysis
ConclusionThis meta-analysis reveals brain structural and functional imaging alterations in the three networks and the interaction among these networks in PNS patients, which provides neuroscientific evidence for more personalized treatment.Systematic Review RegistrationThe PROSPERO (https://www.crd.york.ac.uk/PROSPERO/, registration number: CRD42022335962). (Source: Frontiers in Human Neuroscience)
Source: Frontiers in Human Neuroscience - October 26, 2023 Category: Neuroscience Source Type: research
Visualizing interferential stimulation of human brains
DiscussionWe hope that with intuitive visualization, this study can contribute as an educational resource to the community’s understanding of IFS as a powerful modality for non-invasive focal deep-brain stimulation. (Source: Frontiers in Human Neuroscience)
Source: Frontiers in Human Neuroscience - October 26, 2023 Category: Neuroscience Source Type: research
