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Neurology

ISSN 1526-632X

33 papers in the library · 1,533 citations · publishing 1955-2026

Papers

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A Dissociative State

Neurology November 1, 2025 Martin A. Samuels

Abstract This chapter presents a case of a man in his 70s who, despite being generally healthy, enters a dissociative state triggered by a fraudulent computer message and a commanding voice. He follows instructions to withdraw $27,000 and deposit it in a Bitcoin machine, while his wife observes his trance-like compliance despite her protests. The chapter explores dissociation as a...

Psilocybin’s Effects on Headache Frequency are Not Related to Acute Psychedelic Effects or Measures of Mental Health: Secondary Analysis of Clinical Trials in Migraine and Cluster Headache (P7-12.001)

Neurology April 7, 2025 Emmanuelle A. D. Schindler, Christopher Gottschalk, Deepak Cyril D’souza 2 citations

To examine the relationship of acute psychedelic effects and measures of mental health with headache frequency in clinical trials of psilocybin in migraine and cluster headache.

DOI: 10.1212/wnl.0000000000210945 (opens in new tab) Psilocybin Migraine Cluster headache Clinical trial +2

Healer or Technician: The Role of the Physician and the Possibility of Transformation

Neurology March 30, 2025 Julian Ungar-Sargon

This article examines the question of whether living beings possess an innate, unchangeable nature or have the capacity for fundamental transformation a question with profound implications for treating addiction-related physical illness. By integrating diverse perspectives from religious and philosophical traditions, mystical thought, modern neuroscience, genetics, and clinical approaches to...

Reconstructing Covert Consciousness: Neural Decoding as a Novel Consciousness Assessment.

Neurology February 25, 2025 David Fischer, Brian L Edlow, Holly J Freeman et al. 9 citations

Determining the level of consciousness in patients with brain injury-and more fundamentally, establishing what they can experience-is ethically and clinically impactful. Patient behaviors may unreliably reflect their level of consciousness: a subset of unresponsive patients demonstrate covert consciousness by willfully modulating their brain activity to commands through fMRI or EEG. However,...

Changes in subjective experience elicited by direct stimulation of the human orbitofrontal cortex

Neurology September 19, 2018 K. Fox, Jennifer Yih, Omri Raccah et al.

Objective We applied direct cortical stimulation (DCS) to the orbitofrontal cortex (OFC) in neurosurgical patients implanted with intracranial electrodes to probe, with high anatomic precision, the causal link between the OFC and human subjective experience. Methods We administered 272 instances of DCS at 172 OFC sites in 22 patients with intractable focal epilepsy (from 2011 to 2017), none of...

Cannabis analgesia in chronic neuropathic pain is associated with altered brain connectivity

Neurology September 5, 2018 L. Weizman, Lior Dayan, Silviu Brill et al.

Objective To characterize the functional brain changes involved in δ-9-tetrahydrocannabinol (THC) modulation of chronic neuropathic pain. Methods Fifteen patients with chronic radicular neuropathic pain participated in a randomized, double-blind, placebo-controlled trial employing a counterbalanced, within-subjects design. Pain assessments and functional resting state brain scans were performed...

Does Intra-ICU Initiation of Guided Mindfulness Meditation Decrease Anxiety and Depression in SAH?: A Unique Methodology for the Neurocritical Care Setting (P5.069)

Neurology April 18, 2017 D. Wheelwright, N. Dangayach, Stephen Griffiths et al.

Objective: We hypothesize that intra-ICU initiation of guided mindfulness meditation is feasible and will help prevent the development of anxiety and depression in good grade SAH patients. Background: Aneurysmal Subarachnoid Hemorrhage (SAH) has a case fatality rate of about 20%. Of all SAH patients, 40% are “good grade” defined as Hunt-Hess 1–2 with normal mental status whereas 60% are poor...

Mindfulness-based therapy for drug-resistant epilepsy: An assessor-blinded randomized trial.

Neurology September 29, 2015 Venus Tang, Wai S Poon, Patrick Kwan

To investigate the effectiveness of mindfulness-based therapy (MT) and social support (SS) in patients with drug-resistant epilepsy. We performed an assessor-blinded randomized control trial. Sixty patients with drug-resistant epilepsy were randomly allocated to MT or SS (30 per group). Each group received 4 biweekly intervention sessions. The primary outcome was the change in the total score...

Neuropsychiatric phenomena in the medieval text Cantigas de Santa Maria.

Neurology May 1, 2015 Francisco de Assis Aquino Gondim, Sarah H Griesbach, Florian P Thomas

Objective: To discuss the neuropsychiatric phenomena described in Cantigas de Santa Maria (Canticles of St. Mary [CSM]). Background: CSM is a collection of 427 canticles composed in Galician-Portuguese between 1252 and 1284 at the Court of King Alfonso X the Wise of Spain (1221-1284). The canticles (of which 9 are repeated) include devotional and liturgical poems and 353 narrative stories...

DOI: 10.1212/wnl.0000000000001554 (opens in new tab) Full text (opens in new tab) Humans Nervous system diseases Mental disorders History, medieval +5

5-Meo-DALT-induced Cyclic Myoclonus (P3.013)

Neurology April 6, 2015 Thananan Thammongkolchai, Pichet Termsarasab, Ayham Alkhachroum et al. 43 citations

Objective: To report the first case of myoclonus as neurologic presentation of 5-MeO-DALT abuse Background: 5-Meo-DALT (N,N-diallyl-5-methoxytryptamine) is a relatively new hallucinogen, initially sold online in 2004. It is a psychedelic compound from the tryptamine family which affects monoamine neurotransmitters including dopamine and serotonin. It is a psychostimulant with strong visual...

A Voluntary Stress-Management Workshop for Neurology Residents: Design, Implementation, and Impact. (P4.207)

Neurology April 6, 2015 Sarah Dolgonos, Kamil Detyniecki

OBJECTIVE: To evaluate feasibility of and receptivity for stress-management training during neurology residency BACKGROUND: Exhaustion, sleep deprivation, and stress are widespread among residents. Studies have shown that physicians who undertake mindfulness training report decreased anger, fatigue, and depression, and an increased sense of personal accomplishment. Standardized mindfulness...

Alice in Wonderland Syndrome Associated With a Temporo-Parietal Cavernoma (P5.124)

Neurology April 6, 2015 Jeffrey Kornitzer, Michelle Philips, David F. Marks et al.

OBJECTIVE: In this case report, we relate a unique case of Alice in Wonderland Syndrome in a woman with a right temporo-parietal cavernoma. BACKGROUND: Alice in Wonderland Syndrome (AIWS) is a rare constellation of perceptual disturbances marked by distorted body image and metamorphopsia_ illusory changes in the form, size, distance, or color of stationary objects. Although the cause of AIWS is...

The interactive effects of Ketamine and Magnesium on Brain-Derived Neurotrophic Factor (BDNF) and depressive-like behavior (P4.080)

Neurology April 6, 2015 Sara Razmjou, Darcy Litteljohn, Shawn P. Hayley

Objective: To evaluate the potential synergistic effect of ketmaine and magnesium treatment on prefrontal cortex (PFC) and hippocampal BDNF expression and depressive-like behavior in mice model. Background: Ketamine, an NMDA receptor antagonist with neuroplastic effect on up-regulation of BDNF, has been investigated significantly as a fast acting antidepressant particularly in treatment...

Fatal Outcome Of Status Epilepticus, Hyperthermia, Rhabdomyolysis, Multi-Organ Failure, And Cerebral Edema After 25I-NBOMe Ingestion (P1.342)

Neurology April 8, 2014 Yoshie Umemura, Thomas A. Andrew, Valerie L. Jacobs et al.

OBJECTIVE: To describe a fatal outcome due to ingestion of a new designer drug, 25I-NBOMe. BACKGROUND: Abuse of synthetic drugs has been on the rise, and many are sold over-the-counter as bath salts and fertilizer. Identification of the exposure to such chemicals is often difficult due to the paucity of available specific laboratory assays. 25I-NBOMe stands for...

Teaching NeuroImages: Awakening ptosis (unilateral hypnopompic eyelid palsy)

Neurology September 3, 2013

The increasing prevalence of allergic airway diseases in industrialized countries has been associated with high hygienic standards and reduced microbial exposure. Probiotic lactic acid bacteria, such as certain Lactobacillus strains, were shown to have potentially beneficial immunomodulatory properties. Therefore, we determined the effect of intranasal administration of L. rhamnosus GG (LGG)...

Sleep apnea in young abstinent recreational MDMA (“ecstasy”) consumers

Neurology July 4, 2011 Una D. Mccann, Francis P. Sgambati, Alan R. Schwartz et al. 1 citation

Background: Methylenedioxymethamphetamine (MDMA, "ecstasy") is a popular recreational drug of abuse and a selective brain serotonin neurotoxin.Functional consequences of MDMA neurotoxicity have defied ready characterization.Obstructive sleep apnea (OSA) is a common form of sleep-disordered breathing in which brain serotonin dysfunction may play a role.The present study sought to determine...

Default mode network connectivity in stable vs progressive mild cognitive impairment

Neurology January 13, 2011 Jeffrey R. Petrella, Forrest Sheldon, Steven E. Prince et al. 291 citations

OBJECTIVE: Dysfunction of the default mode network (DMN) has been identified in prior cross-sectional fMRI studies of Alzheimer disease (AD) and mild cognitive impairment (MCI); however, no studies have examined its utility in predicting future cognitive decline. METHODS: fMRI scans during a face-name memory task were acquired from a cohort of 68 subjects (25 normal control, 31 MCI, and 12 AD)....

Wakefulness and loss of awareness: brain and brainstem interaction in the vegetative state.

Neurology January 26, 2010 S Silva, X Alacoque, O Fourcade et al.

The ascending reticular activating system (ARAS) modulates circadian wakefulness, which is preserved in a persistent vegetative state (PVS). Its metabolism is preserved. Impairment of metabolism in the polymodal associative cortices (i.e., precuneus) is characteristic of PVS where awareness is abolished. Because the interaction of these 2 structures allows conscious sensory perception, our...

Out-of-body experience and arousal

Neurology March 5, 2007 Kevin R. Nelson, Michelle Mattingly, Frederick A. Schmitt 60 citations

In a study of more than 13,000 Europeans, 5.8% reported the out-of-body experience (OBE) form of autoscopy.1 Occurring in diverse clinical settings, OBE is also typical of near death experience (NDE). NDE are responses to life-threatening crisis characterized by a combination of dissociation from the physical body, euphoria, and transcendental or mystical elements. Persons with NDE may have an...

Response of cluster headache to psilocybin and LSD

Neurology June 26, 2006 R. Andrew Sewell, John H. Halpern, Harrison G. Pope 259 citations

The authors interviewed 53 cluster headache patients who had used psilocybin or lysergic acid diethylamide (LSD) to treat their condition. Twenty-two of 26 psilocybin users reported that psilocybin aborted attacks; 25 of 48 psilocybin users and 7 of 8 LSD users reported cluster period termination; 18 of 19 psilocybin users and 4 of 5 LSD users reported remission period extension. Research on...

DOI: 10.1212/01.wnl.0000219761.05466.43 (opens in new tab) Ipilimumab Nivolumab Demographics Adverse effect +4