Neuroscience Daily: 5-minute briefing
Neuroscience Daily for 29 May: Newborn Brain Differences, Insula Action Maps, EEG fNIRS Coupling, Connectome Behavior Modules
Kuvaus
Neuroscience Daily for 29 May follows 4 stories from r/neuro and r/neuroscience, moving through newborn brain differences, insula action maps, eeg fnirs coupling, connectome behavior modules. 1. Newborn Brain Differences A study in Biology of Sex Differences looked at brain MRI data from 514 newborns to ask whether average structural differences between male and female infants are already present at birth. The researchers report that males had larger total brain volume on average, while females showed relatively greater cortical gray matter volume after adjusting for overall brain size, with additional regional differences in areas like the anterior cingulate, parietal cortex, and corpus callosum. Source link [https://bsd.biomedcentral.com/articles/10.1186/s13293-024-00657-5] Reddit discussion [https://www.reddit.com/r/neuroscience/comments/1jglyh2/sex_differences_in_human_brain_structure_at_birth/] 2. Insula Action Maps A review in Progress in Neurobiology argues that the insula should be understood not just as a place for feeling internal body states, but as a set of distinct circuits that turn sensory information into specific actions and visceromotor responses. Using macaque tracing data, resting-state fMRI, and intracortical stimulation maps, the authors describe separate insular fields linked to behaviors like oroalimentary actions, hand movements, emotional reactions, and more axial or proximal motor control. Source link [https://www.sciencedirect.com/science/article/pii/S0301008225000395] Reddit discussion [https://www.reddit.com/r/neuroscience/comments/1j8vd39/anatomofunctional_organization_of_insular/] 3. EEG fNIRS Coupling A Scientific Reports paper compared structure-function coupling across simultaneous EEG and fNIRS recordings to see how electrical activity and slower blood-flow signals line up with the brain's structural wiring. Across 18 participants, the authors found that fNIRS coupling at rest most closely resembled slower-frequency EEG coupling, while local patterns differed by network and by task, especially during motor imagery. Source link [https://www.nature.com/articles/s41598-024-79817-x] Reddit discussion [https://www.reddit.com/r/neuroscience/comments/1gz13uo/comparing_structurefunction_relationships_in/] 4. Connectome Behavior Modules A Nature Neuroscience paper used a full synaptic wiring diagram of the larval zebrafish brainstem to predict how different circuit modules support behavior, then checked those predictions against physiological recordings. The authors identified strongly connected modules tied to eye and body movement control, and within the eye-movement system they found recurrent cycles consistent with the attractor-style dynamics long proposed for oculomotor integration. Source link [https://www.nature.com/articles/s41593-024-01784-3] Reddit discussion [https://www.reddit.com/r/neuroscience/comments/1gyrwc2/predicting_modular_functions_and_neural_coding_of/] That's it for today.
14 vrk ilmainen kokeilu
Kokeilun jälkeen 7,99 € / kuukausi. · Peru milloin tahansa.
- Podimon podcastit
- 20 kuunteluaikaa / kuukausi
- Lataa offline-käyttöön
Kaikki jaksot
67 jaksot
Kommentit
0Ole ensimmäinen kommentoija
Rekisteröidy nyt ja liity Neuroscience Daily: 5-minute briefing-yhteisöön!