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Maternally activated connections of the ventral lateral septum reveal input from the posterior intralaminar thalamus.
Brain Struct Funct
January 2025
Department of Physiology and Neurobiology, Laboratory of Molecular and Systems Neurobiology, Eötvös Loránd University, Budapest, Hungary.
The lateral septum (LS) demonstrates activation in response to pup exposure in mothers, and its lesions eliminate maternal behaviors suggesting it is part of the maternal brain circuitry. This study shows that the density of pup-activated neurons in the ventral subdivision of the LS (LSv) is nearly equivalent to that in the medial preoptic area (MPOA), the major regulatory site of maternal behavior in rat dams. However, when somatosensory inputs including suckling were not allowed, pup-activation was markedly reduced in the LSv.
View Article and Find Full Text PDFUtilizing Centromedian Thalamus Connectivity to Personalize Noninvasive Neuromodulation Targets.
CNS Neurosci Ther
December 2024
Department of Neurosurgery, Epilepsy Center, Sanbo Brain Hospital, Capital Medical University, Beijing, China.
Introduction: The centromedian nucleus (CM) of the thalamus is essential for arousal, attention, sensory processing, and motor control. Neuromodulation targeting CM dysfunction has shown efficacy in various neurological disorders. However, its individualized precise transcranial magnetic stimulation (TMS) remains unreported.
View Article and Find Full Text PDFThalamic changes in patients with chronic facial pain.
Neuroradiology
December 2024
FSBI "Federal Center of Neurosurgery", Nemirovich-Danchenko street, 132/1, 630087, Novosibirsk, Russia.
Purpose: To investigate structural alterations in the thalamus in patients with primary trigeminal neuralgia and provide a detailed perspective on thalamic remodeling in response to chronic pain at the level of individual thalamic nuclei. METHODS: We analyzed a sample of 62 patients with primary trigeminal neuralgia who underwent surgical treatment, along with 28 healthy participants. Magnetic resonance imaging (MRI) data were acquired using a 3T system equipped with a 16-channel receiver head coil.
View Article and Find Full Text PDFMild Traumatic Brain Injury Is Associated With Increased Thalamic Subregion Volume in the Subacute Period Following Injury.
J Neurosci Res
December 2024
Melbourne School of Psychological Sciences, University of Melbourne, Melbourne, Victoria, Australia.
Article Synopsis
- The thalamus's structural vulnerabilities in mild traumatic brain injury (mTBI) are not well-explored, prompting this study to investigate thalamic subnuclei volume shortly after mTBI.
- Participants, including mTBI patients and trauma control individuals, underwent MRI scans to analyze thalamic subregion volumes and neurite orientation parameters in the early recovery phase.
- Results indicated increased gray matter volume in specific thalamic subregions in mTBI patients compared to controls, suggesting potential issues with myelin repair processes post-injury.
Brain magnetic resonance imaging of patients with spinal muscular atrophy type 2 and 3.
Neuroimage Clin
November 2024
UMC Utrecht Brain Center, Department of Neurology, University Medical Center Utrecht, Utrecht University, Utrecht, the Netherlands. Electronic address:
Background And Objective: Proximal spinal muscular atrophy (SMA) is caused by deficiency of the ubiquitously expressed survival motor neuron protein. Although primarily a hereditary lower motor neuron disease, it is probably also characterized by abnormalities in other organs. Brain abnormalities and cognitive impairment have been reported in severe SMA.
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