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World neurosurgery

ISSN 1878-8769

2 papers in the library · 4 citations · publishing 2016-2025

Papers

The Mystery of the Claustrum, the Front Wall of the Brain: From Early Anatomic Discovery to Modern Insights.

World neurosurgery May 8, 2025 Demet Evleksiz, Abuzer Gungor, Gardashkhan Karımzada et al. 4 citations

The claustrum, a thin sheet of gray matter between the insular cortex and putamen, has been studied for centuries. Its first known depiction appeared in Vicq d'Azyr's work (1786), and it was formally named vormauer (claustrum) by Burdach (1822). Later terms included N. taeniaeformis (Arnold, 1838) and avant-mur (Dejerine, 1895). Genetic evidence from Puelles (2017, 2022) distinguishes it from adjacent structures. Crick and Koch (2005) proposed it integrates sensory information for consciousness, but Yaşargil's neurosurgical observations show that tumor invasion or damage to the claustrum during insular glioma surgery does not impair consciousness, challenging that role. The review synthesizes historical and contemporary perspectives, highlighting the claustrum's debated function and relevance in neuroscience and neurosurgery.

DOI: 10.1016/j.wneu.2025.124045 (opens in new tab) Full text (opens in new tab) Consciousness studies Claustrum Gray matter History +6

Out-of-Body Experience During Awake Craniotomy.

World neurosurgery August 1, 2016 Eelke M Bos, Jochem K H Spoor, Marion Smits et al.

An out-of-body experience (OBE)—feeling as if one is spatially separated from one's physical body—was repeatedly triggered in a patient undergoing awake brain surgery for a low-grade glioma. Electrical stimulation of subcortical white matter near the left temporoparietal junction (TPJ) during the craniotomy caused the patient to feel as if she were floating above the operating table looking down at herself. Diffusion tensor imaging tractography suggested that the posterior thalamic radiation may be involved in such autoscopic phenomena. These findings support the TPJ's role in generating OBEs and point to specific white-matter pathways as possible neural substrates.

DOI: 10.1016/j.wneu.2016.05.002 (opens in new tab) Full text (opens in new tab) Autoscopy Awake craniotomy Diffusion tensor imaging Low-grade glioma +3