Gerardo Salvato, Damiano Crivelli, Martina Gandola, Gabriella Bottini
We investigated whether self-administered tactile stimulation could act as a temporary restorative mechanism for body ownership disorders, both implicitly and explicitly. We tested this hypothesis in a patient with somatoparaphrenia, who displayed increased accuracy in explicitly recognizing their left hand during self-touch. Furthermore, the patient implicitly perceived their hand and the experimenter's hand as more belonging to their own body compared to conditions where vision was the sole sensory input...
April 22, 2024: Neurocase
Jennifer Martin, Patrik Vuilleumier, Frédéric Assal, Roberta Ronchi
Altitudinal neglect is an atypical form of spatial neglect where brain-damaged patients neglect the lower, or sometimes the upper, part of the space. Our understanding of this phenomena is limited, with unknown occurrence across different reference frames, such as distance (peripersonal vs. extrapersonal) and system of reference (egocentric vs. allocentric). Two patients with acute bilateral (P1) or right hemispheric (P2) stroke, with signs of bottom altitudinal neglect, underwent an extensive evaluation of neglect within 10 days post-stroke...
February 26, 2024: Neurocase
Ran Li, Yong Wang, Haidong Li, Jie Liu, Sujuan Liu
Prognosis after carbon monoxide (CO) poisoning is difficult to assess using structural images. Functional connectivity provided by functional magnetic resonance imaging (fMRI) may explain the mechanism of differential prognosis. We report here two cases of carbon monoxide poisoning with simultaneous coma. They were nearly normal on days 7-8, but diagnosed with delayed neurological sequelae (DNS) with cognitive and motor impairments on days 22-29. Similar Methylprednisolone pulse therapy and hyperbaric oxygen therapy were given to them...
February 26, 2024: Neurocase
Yi Guan, Lu Yuan, Lei Yuan
Diabetic striatopathy, a rare condition also known as hyperglycemic nonketotic hemichorea, is characterized by chorea or hemiballismus and distinctive basal ganglia abnormalities visible on neuroimaging. We present the case of an 86-year-old woman with diabetic striatopathy exhibiting hemichorea. She had a history of poorly controlled type 2 diabetes and presented with involuntary movements of her left limb along with facial expressions suggestive of chorea. Laboratory tests confirmed hyperglycemia, with an elevated hemoglobin A1c level...
February 17, 2024: Neurocase
Yan-Jun Ma, Lei Zhao, Jie-Qiong Li, Liu Yang, Yue-Ming Yan, Jiang-Bo Li, Li-Hong Gao
To study a case of a middle-aged male with a non-tumor-associated Epstein-Barr virus (EBV) infection associated with Anti-N-methyl-D-aspartate receptor encephalitis (NMDARE), to explore the role of EBV in the pathogenesis of anti-NMDARE. The patient was diagnosed with "Anti-NMDARE, EBV infection" by using Cerebrospinal fluid (CSF) autoimmune encephalitis profile, and Metagenomics Next-Generation Sequencing (mNGS) pathogenic microbial assays, we discuss the relationship between EBV and NMDARE by reviewed literature...
November 14, 2023: Neurocase
Chih-Yuan Lin, Hsin-Ya Kuo, Cheng-Ho Chang, Chih-Chuan Pan, Che-Sheng Chu, Jeremy Couper, Yung-Chih Chiang
Comorbid obsessive-compulsive disorder (OCD) is common among patients with schizophrenia. The role of electroconvulsive therapy (ECT) in the treatment of OCD in schizophrenia is unclear. Herein, we present a 45-year-old man who was diagnosed with schizophrenia along with OCD and received ECT due to relapse of psychosis owing to refractive schizophrenia. Together with psychotic symptoms, obvious symptoms of OCD were observed prior to treatment, including obsessive thoughts, difficulty in starting activities, and repetitive and ritualistic behavior...
November 9, 2023: Neurocase
Dilara Mermi Dibek, Pınar Tamer Çoban, Sevgi Ferik, I Brahim Öztura, Barış Baklan
Ictal religious speech and gestures, rare ictal semiological findings, sign the epileptic focus at the non-dominant temporal lobe in the literature. Therefore, we aim to present non-dominant temporal lobe semiological findings, including ictal praying and religious gestures in three cases.
November 9, 2023: Neurocase
Rima Abou-Khalil, Lealani Mae Y Acosta
INTRODUCTION: We report on a musician who acquired synesthesia, enhanced sensory experience, and improved creativity following traumatic brain injury (TBI). BACKGROUND: Creativity and synesthesia can be acquired from an injury, though both simultaneously has not been frequently documented. NARRATIVE: This case report details heightened creativity and developing synesthesia in a 66-year-old right-handed man following TBI. He developed a "compulsion" to write music...
May 7, 2023: Neurocase
Donald J Bearden, Robyn Selawski, Joshua J Chern, Eva Del Valle Martinez, Sonam Bhalla, Ruba Al-Ramadhani, Kim E Ono, Nigel P Pedersen, Guojun Zhang, Daniel L Drane, Ammar Kheder
The piriform cortex (PC) is part of the olfactory system, principally receiving input from the lateral olfactory tract and projecting to downstream components of the olfactory network, including the amygdala. Based on preclinical studies, PC is vulnerable to injury and can be easily kindled as an onset site for seizures. While the role of PC in human epilepsy has been studied indirectly and the subject of speculation, cases of demonstrated PC seizure onset from direct intracranial recording are rare. We present a pediatric patient with drug-resistant focal reflex epilepsy and right mesial temporal sclerosis with habitual seizures triggered by coconut aroma...
April 6, 2023: Neurocase
Tania C Ghazarian, Matthew G H Hall, Leslie A Horton, Bruce L Miller, Robert T Rubin
A 23-year-old man presented with behavioral disinhibition, stereotypies, motor apathy, flattened affect, and inappropriate laughter. CT demonstrated generalized cerebral atrophy. He was admitted with a diagnosis of unspecified psychosis and discharged on antipsychotic medication. He was readmitted 3 months later, was diagnosed with schizophrenia, and antipsychotic medication was continued. Owing to symptom progression and aggressive behavior, he was readmitted 2 months later. CT again demonstrated moderate central and cortical cerebral atrophy...
March 30, 2023: Neurocase
Sunyoung Kim, Jin-Sung Park, Jae-Hyeok Lee, Ha-Young Shin, Hui-Jun Yang, Jin-Hong Shin
Cerebrotendinous xanthomatosis (CTX) is an autosomal recessive lipid storage disorder caused by 27-hydroxylase deficiency. We report the clinical characteristics of six Korean CTX patients. The median age of onset was 22.5 years, the median age at diagnosis was 42 years, and the diagnostic delay was 18.1 years. The most common clinical symptoms were tendon xanthoma and spastic paraplegia. Four of five patients exhibited latent central conduction dysfunction. All patients carried the same mutation in CYP27A1 (c...
February 19, 2023: Neurocase
Petra Aboulhosn, Andrew Ryu, Azadeh Shafieesabet, Anusha Lekshminarayanan, Sohni Husain, Kathryn O'Connor, Saarah D'Souza, Shannon O'Neill, Eric L Altschuler
A 66-year-old left-handed male was admitted to our acute inpatient rehabilitation (AIR) unit following a resection of the right occipito-parietal glioblastoma. He presented with symptoms of horizontal oculomotor apraxia, contralateral optic ataxia and left homonymous hemianopsia. We diagnosed this patient with partial Bálint's syndrome (BS)- oculomotor apraxia, optic ataxia but not simultanagnosia. BS is typically caused by bilateral posterior parietal lesions, but we here describe a unique case due toresection of a right intracranial tumor...
February 15, 2023: Neurocase
Dovlat Khalilov, Garen Haryanyan, Baris Salman, Emrah Yucesan, Sibel Ugur Iseri, Nerses Bebek
Developmental and Epileptic Encephalopathies (DEEs) are a group of early-onset syndromic disorders characterized by varying degree of intellectual disability, autism spectrum, seizures, and developmental delay. Herein, we have clinically and genetically dissected three siblings from Turkey with DEE born to first cousin unaffected parents. We identified a homozygous pathogenic variant in ELP2 (ENST00000358232.11:c.1385G>A; p.(Arg462Gln)). Our results, together with in depth literature review, underlie the importance of codon encoding the arginine at position 462 as a hotspot for ELP2 related neurological phenotypes...
February 14, 2023: Neurocase
Greta Demichelis, Dunja Duran, Giuseppe Ciullo, Lorenzo Lorusso, Stefano Zago, Sara Palermo, Anna Nigri, Matilde Leonardi, Maria Grazia Bruzzone, Davide Fedeli
This article describes a case of Foreign accent syndrome (FAS) in an Italian woman who developed a Canadian-like foreign accent without brain damage (functional FAS). The patient underwent an in-depth neuroimaging and (neuro)psychological evaluation. Language networks in the frontotemporal-parietal areas were typically activated bilaterally through fMRI and MEG assessments based on task-based data. Resting-state fMRI showed preserved connectivity between language areas. An obsessive-compulsive personality profile and mild anxiety were found, suggesting psychological and psychiatric factors may be relevant...
January 22, 2023: Neurocase
Maya Troyanskaya, Nicholas J Pastorek, Fariha Jamal, George R Jackson, Aliya I Sarwar, Elisabeth A Wilde, Randall S Scheibel
Olfactory impairment in military populations is highly prevalent and often attributed to the long-term effects of mild traumatic brain injury (mTBI) and chronic psychiatric disorders. The main goal of this investigation was to examine olfactory function in a cohort of combat veterans using a quantitative smell test.Participants underwent a neurological examination, completed performance validity testing (PVT), provided deployment history, and their medical records were reviewed.Participants were 38 veterans with a deployment-related mTBI who passed the PVT and did not have ongoing substance misuse issues...
December 28, 2022: Neurocase
Xia Liu, Guowei Zheng, Xiuzhen Wang, Yongchao Li, Shanling Ji, Yu Zhang, Chaofan Yao, Yinghui Zhang, Bin Hu
Numerous studies have analyzed the state of brain activation about anxiety disorders under emotional stimuli. However, there is no meta-analysis to assess the commonality and specificity activation concerning different subtypes of anxiety. Here, we used ALE to assess this. 29 studies revealed increased bilateral amygdala, anterior cingulate gyrus, parahippocampal gyrus activation in anxiety disorders during emotional stimuli. Moreover, we observed decreased activations in the posterior cingulate, lingual gyrus, and precuneus...
December 22, 2022: Neurocase
Liu Min, Zhang Wenning, Wang Wei, Wang Wei
Acute renal failure, multiple organ failure, and allergic reactions caused by wasp sting have been reported in many clinical reports, however, there are few reports on cerebral infarction due to wasp sting.  We report a patient who developed acute progressive cerebral infarction after wasp stings, suffered from left-sided hemiplegia, clumsy speech, and left facial droop, only left the MRC grade 2 power and left conjugate gaze palsy after treatment. The MRA showed normal blood vessels. And the wasp sting was detected in head and right shoulder...
October 24, 2022: Neurocase
Ana Pozueta, María García-Martínez, María Bravo, Carmen Lage, Sara López-García, Francisco Martínez-Dubarbie, Andrea Corrales-Pardo, María José Sedano-Tous, Pascual Sánchez-Juan, Eloy Rodríguez-Rodríguez
A 52-year-old male patient with a background of adaptive personality disorder was admitted for mitral valve repair and cardiac ablation for atrial fibrillation. He suffered intraoperative complications with severe mitral insufficiency that suffered ischemia.. Post-operatively, he demonstrated acute loss of retrograde autobiographical memory, prosopagnosia and a loss of public semantic memory. His CT scan was normal and MRI was not possible due to intra-cardiac leads. An initial diagnosis of hypoxic-ischemic encephalopathy was considered...
October 19, 2022: Neurocase
Sylvia Josephy-Hernandez, Michael Brickhouse, Samantha Champion, David Dongkyung Kim, Alexandra Touroutoglou, Matthew Frosch, Bradford C Dickerson
Globular Glial Tauopathy (GGT) is a rare form of Frontotemporal Lobar Degeneration (FTLD) consisting of 4-repeat tau globular inclusions in astrocytes and oligodendrocytes. We present the pathological findings of GGT in a previously published case of a 73-year-old woman with behavioral symptoms concerning for right temporal variant frontotemporal dementia with initial and salient features of Geschwind syndrome. Clinically, she lacked motor abnormalities otherwise common in previously published GGT cases. Brain MRI showed focal right anterior temporal atrophy (indistinguishable from five FTLD-TDP cases) and subtle ipsilateral white matter signal abnormalities...
October 17, 2022: Neurocase
Cristiano Schaffer Aguzzoli, Petronilla Battista, Rafi Hadad, Yuri Ferreira Felloni Borges, Lucas Porcello Schilling, Bruce L Miller
The behavioral variant of Frontotemporal dementia (bvFTD) has typically a progressive course with cognitive and behavioral changes that manifests between 50 and 70 years. Very early-onset bvFTD with rapid progression is a rare syndrome under the frontotemporal lobar degeneration (FTLD) umbrella that has been associated with a variety of protein deposition and genetic mutations. We present a case of a 24-year-old man who developed behavioral symptoms and progressed with severe cognitive impairment and functional loss within months...
October 13, 2022: Neurocase
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