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Frontal Lobe Syndromes

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Clinicopathological findings of a long-term survivor of V180I genetic Creutzfeldt-Jakob disease.

Yuichi Hayashi, Yasushi Iwasaki, Masahiro Waza, Shinei Kato, Akio Akagi, Akio Kimura, Takashi Inuzuka, Katsuya Satoh, Tetsuyuki Kitamoto, Mari Yoshida, Takayoshi Shimohata,

The clinical characteristics of genetic Creutzfeldt-Jakob disease (gCJD) with a V180I mutation in the PRNP gene (V180I gCJD) are unique: elderly-onset, gradual progression, sporadic fashion, and cortical oedematous hyper-intensity on diffusion-weighted MRI (DW-MRI). This phenotype may become a potential target of future clinical therapeutic trials. The average disease duration of ... Read more >>

Prion (Prion)
[2020, 14(1):109-117]

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Synaptic development of layer V pyramidal neurons in the prenatal human prefrontal neocortex: a Neurolucida-aided Golgi study.

Li-Xin He, Lily Wan, Wei Xiang, Jian-Ming Li, An-Hua Pan, Da-Hua Lu,

The prefrontal neocortex is involved in many high cognitive functions in humans. Deficits in neuronal and neurocircuitry development in this part of the cerebrum have been associated with various neuropsychiatric disorders in adolescents and adults. There are currently little available data regarding prenatal dendrite and spine formation on projecting neurons ... Read more >>

Neural Regen Res (Neural regeneration research)
[2020, 15(8):1490-1495]

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Patient with frontal-variant syndrome in early-onset Alzheimer's disease.

Han Cai, Su Ning, Wei Li, Xia Li, Shifu Xiao, Lin Sun,

The clinical manifestation of frontal-variant Alzheimer's disease (fvAD) is not typical, and it is difficult yet necessary to differentiate fvAD from frontal-variant frontal temporal dementia (fvFTD). We describe a patient with early-onset Alzheimer's disease (AD) who presented with an fvFTD-like syndrome and apolipoprotein E ɛ3/ ɛ4 genotype. A brain amyloid ... Read more >>

Gen Psychiatr (General psychiatry)
[2020, 33(2):e100173]

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Connectivity Gradient in the Human Left Inferior Frontal Gyrus: Intraoperative Cortico-Cortical Evoked Potential Study.

Takuro Nakae, Riki Matsumoto, Takeharu Kunieda, Yoshiki Arakawa, Katsuya Kobayashi, Akihiro Shimotake, Yukihiro Yamao, Takayuki Kikuchi, Toshihiko Aso, Masao Matsuhashi, Kazumichi Yoshida, Akio Ikeda, Ryosuke Takahashi, Matthew A Lambon Ralph, Susumu Miyamoto,

In the dual-stream model of language processing, the exact connectivity of the ventral stream to the anterior temporal lobe remains elusive. To investigate the connectivity between the inferior frontal gyrus (IFG) and the lateral part of the temporal and parietal lobes, we integrated spatiotemporal profiles of cortico-cortical evoked potentials (CCEPs) ... Read more >>

Cereb. Cortex (Cerebral cortex (New York, N.Y. : 1991))
[2020, :]

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Progressive supranuclear palsy presenting with hyperkinetic movement disorder and hemiplegic dystonia: a case report.

Wei Zhang, Wei Mao, Erhe Xu, Jagadish K Chhetri, Piu Chan,

Background: Progressive supranuclear palsy (PSP) is a progressive neurodegenerative brain disease which has been rarely described in association with hyperkinetic symptoms. Here, we report a case of PSP that was presented with hyperkinetic movement disorder, hemiplegic dystonia, and other clinical features that overlap with behavioral variant frontotemporal dementia (bvFTD) and ... Read more >>

Int. J. Neurosci. (The International journal of neuroscience)
[2020, :1-4]

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Brief Report: Higher Peripheral Monocyte Activation Markers Are Associated With Smaller Frontal and Temporal Cortical Volumes in Women With HIV.

Asante R Kamkwalala, Xuzhi Wang, Pauline M Maki, Dionna W Williams, Victor G Valcour, Alexandra Damron, Phyllis C Tien, Kathleen M Weber, Mardge H Cohen, Erin E Sundermann, Vanessa J Meyer, Deborah M Little, Yanxun Xu, Leah H Rubin,

BACKGROUND:Persistent inflammation is a life-long complication of HIV infection, even in virally suppressed individuals. Elevated plasma concentrations of soluble(s) CD14 and CD163 have been established as biomarkers of chronic inflammation, conferring higher risk for cognitive, neurovascular, and structural abnormalities. METHODS:Structural magnetic resonance imaging (frontal and temporal regions) as well as ... Read more >>

J. Acquir. Immune Defic. Syndr. (Journal of acquired immune deficiency syndromes (1999))
[2020, 84(1):54-59]

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Impaired Frontoparietal Connectivity in Traumatic Individuals with Disorders of Consciousness: A Dynamic Brain Network Analysis.

Min Wu, Fali Li, Yuehao Wu, Tieying Zhang, Jian Gao, Peng Xu, Benyan Luo,

Recent advances in neuroimaging have demonstrated that patients with disorders of consciousness (DOC) may retain residual consciousness through activation of a complex functional brain network. However, an understanding of the hierarchy of residual consciousness and dynamic network connectivity in DOC patients is lacking. This study aimed to investigate residual consciousness ... Read more >>

Aging Dis (Aging and Disease)
[2020, 11(2):301-314]

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Supratentorial and Infratentorial Lesions in Spinocerebellar Ataxia Type 3.

Po-Shan Wang, Yu-Te Wu, Tzu-Yun Wang, Hsiu-Mei Wu, Bing-Wen Soong, Chi-Wen Jao,

Background: Spinocerebellar ataxia type 3 (SCA) is a cerebellum-dominant degenerative disorder that is characterized primarily by infratentorial damage, although less severe supratentorial involvement may contribute to the clinical manifestation. These impairments may result from the efferent loss of the cerebellar cortex and degeneration of the cerebral cortex. Method: We used ... Read more >>

Front Neurol (Frontiers in Neurology)
[2020, 11:124]

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Unilateral akathisia and choreoathetosis as an unusual presentation of a frontal lobe dermoid cyst.

Lindsey Bulleid, Christopher Wilcox, Tom Hughes, Paul A Leach,

Objective: To consider an unusual presentation of a frontal lobe dermoid cyst. Intracranial masses very rarely present with movement disorders. We describe a highly unusual presentation of an intracranial dermoid with unilateral choreoathetosis, akathisia and facial tics. Material: A 63-year-old man presented with left-sided akathisia and tardive dyskinesia of his ... Read more >>

Br J Neurosurg (British journal of neurosurgery)
[2020, :1-2]

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The Petrified Self 10 Years After: Current Evidence for Mnemonic anosognosia.

Sabrina Lenzoni, Robin G. Morris, Daniel C. Mograbi,

Lack of awareness about disease, its symptoms and consequences, also termed anosognosia, is a common feature of Alzheimer’s disease (AD). It has been hypothesized that memory disorder may be a key contributing factor to anosognosia, with people with AD not being able to update their personal information about performance and ... Read more >>

Front Psychol (Frontiers in psychology)
[2020, 11:]

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Neuroinflammation and protein aggregation co-localize across the frontotemporal dementia spectrum.

W Richard Bevan-Jones, Thomas E Cope, P Simon Jones, Sanne S Kaalund, Luca Passamonti, Kieren Allinson, Oliver Green, Young T Hong, Tim D Fryer, Robert Arnold, Jonathan P Coles, Franklin I Aigbirhio, Andrew J Larner, Karalyn Patterson, John T O'Brien, James B Rowe,

The clinical syndromes of frontotemporal dementia are clinically and neuropathologically heterogeneous, but processes such as neuroinflammation may be common across the disease spectrum. We investigated how neuroinflammation relates to the localization of tau and TDP-43 pathology, and to the heterogeneity of clinical disease. We used PET in vivo with (i) ... Read more >>

Brain (Brain : a journal of neurology)
[2020, 143(3):1010-1026]

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Posterior reversible encephalopathy syndrome induced by intracranial hypotension in a postpartum patient.

Zhiyong Zhai, Yang Guo,

Objective: A number of hormonal, physiologic, immunologic, and hemodynamic changes can cause a series of central nervous system-related problems in pregnant and postpartum women. Posterior reversible encephalopathy syndrome (PRES) is commonly seen in these conditions. However, PRES during pregnancy and the postpartum period are not always due to pregnancy.Methods: We ... Read more >>

Int. J. Neurosci. (The International journal of neuroscience)
[2020, :1-5]

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Imaging Biomarkers for Neurodegeneration in Presymptomatic Familial Frontotemporal Lobar Degeneration.

Qin Chen, Kejal Kantarci,

Frontotemporal lobar degeneration (FTLD) is a neurodegenerative disorder characterized by behavioral changes, language abnormality, as well as executive function deficits and motor impairment. In about 30-50% of FTLD patients, an autosomal dominant pattern of inheritance was found with major mutations in the MAPT, GRN, and the C9orf72 repeat expansion. These ... Read more >>

Front Neurol (Frontiers in Neurology)
[2020, 11:80]

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Genetic and Environmental Influences on Lobar Brain Structures in Twins With Autism.

John P Hegarty, Laura C Lazzeroni, Mira M Raman, Luiz F L Pegoraro, Julio C Monterrey, Sue C Cleveland, Joachim F Hallmayer, Olga N Wolke, Jennifer M Phillips, Allan L Reiss, Antonio Y Hardan,

This investigation examined whether the variation of cerebral structure is associated with genetic or environmental factors in children with autism spectrum disorder (ASD) compared with typically developing (TD) controls. T1-weighted magnetic resonance imaging scans were obtained from twin pairs (aged 6-15 years) in which at least one twin was diagnosed with ... Read more >>

Cereb. Cortex (Cerebral cortex (New York, N.Y. : 1991))
[2020, 30(3):1946-1956]

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Intravenous methylprednisolone or immunoglobulin for anti-glutamic acid decarboxylase 65 antibody autoimmune encephalitis: which is better?

Tao-Ran Li, Yu-Di Zhang, Qun Wang, Xiao-Qiu Shao, Zhi-Mei Li, Rui-Juan Lv,

BACKGROUND:Patients positive for anti-glutamic acid decarboxylase 65 (GAD65) antibodies have attracted increasing attention. Their clinical manifestations are highly heterogeneous and can be comorbid with tumors. Currently, there is no consensus on the therapeutic regimen for anti-GAD65-associated neurological diseases due to the clinical complexity, rarity and sporadic distribution. We reported six ... Read more >>

BMC Neurosci (BMC neuroscience)
[2020, 21(1):13]

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Sleep Disorders in Four Patients With Myotonic Dystrophy Type 1.

Yuka Urata, Masayuki Nakamura, Nari Shiokawa, Aiko Yasuniwa, Nagisa Takamori, Kensuke Imamura, Takehiro Hayashi, Takanori Ishizuka, Motofumi Kasugai, Akira Sano,

Sleep disturbances such as excessive daytime sleepiness, central and obstructive sleep apneas, restless legs syndrome, and rapid eye movement sleep dysregulation are prominent in patients with myotonic dystrophy type 1 (DM1). Mild intellectual deficits presented in many patients with DM1. In addition, psychosocial issues caused by neuropsychiatric symptoms are a ... Read more >>

Front Neurol (Frontiers in neurology)
[2020, 11:12]

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Intracranial Metastases Originating From Pediatric Primary Spinal Cord Glioblastoma Multiforme: A Case Report and Literature Review.

Dengpan Song, Dingkang Xu, Qiang Gao, Peizhu Hu, Fuyou Guo,

Primary spinal cord glioblastoma multiforme (scGBM) is an uncommon entity in pediatrics, and intracranial metastasis originating in spinal cord gliomas is very rare. A 7-year-old female presented with weakness in the limbs, paralysis of the lower limbs and incontinence. The initial MRI of the spinal cord revealed expansion and abnormal ... Read more >>

Front Oncol (Frontiers in Oncology)
[2020, 10:99]

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Deep Brain Stimulation of Anterior Thalamic Nucleus for Treatment of Patient with Tuberous Sclerosis-Related Refractory Epilepsy.

He Zheng, Wang Chengcheng, Jiang Bin, Wang Chaochao, Zhang Hongying, Guo Wenqiang, Liu Bin, Tian Hailong, Wang Zhigang,

BACKGROUND:Neuromodulation is recommended for patients with refractory tuberous sclerosis related epilepsy (TRE) who are unable to localize epileptogenic nodules after comprehensive preoperative evaluation or for patients and families who do not agree to resection. CASE DESCRIPTION:We report a patient with refractory TRE who received deep brain stimulation of anterior thalamic ... Read more >>

World Neurosurg (World neurosurgery)
[2020, 138:141-144]

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Dissociation between frontal and temporal-parietal contributions to connected speech in acute stroke.

Junhua Ding, Randi C Martin, A Cris Hamilton, Tatiana T Schnur,

Humans are uniquely able to retrieve and combine words into syntactic structure to produce connected speech. Previous identification of focal brain regions necessary for production focused primarily on associations with the content produced by speakers with chronic stroke, where function may have shifted to other regions after reorganization occurred. Here, ... Read more >>

Brain (Brain : a journal of neurology)
[2020, 143(3):862-876]

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Computerized Analysis of Brain MRI Parameter Dynamics in Young Patients With Cushing Syndrome-A Case-Control Study.

Amit Tirosh, Harish RaviPrakash, Georgios Z Papadakis, Christina Tatsi, Elena Belyavskaya, Lyssikatos Charalampos, Maya B Lodish, Ulas Bagci, Constantine A Stratakis,

BACKGROUND:Young patients with Cushing Syndrome (CS) may develop cognitive and behavioral alterations during disease course. METHODS:To investigate the effects of CS on the brain, we analyzed consecutive MRI scans of patients with (n = 29) versus without CS (n = 8). Multiple brain compartments were processed for total and gray/white ... Read more >>

J. Clin. Endocrinol. Metab. (The Journal of clinical endocrinology and metabolism)
[2020, 105(5):]

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The understanding of mental states and the cognitive phenotype of frontal lobe epilepsy.

Anna Rita Giovagnoli, Giulia Maria Tallarita, Annalisa Parente, Chiara Pastori, Marco de Curtis,

OBJECTIVE:Previous studies of frontal lobe epilepsy (FLE) have documented different impairments of theory of mind (ToM), while the study of frontal lobe (FL) lesion without seizures has produced inconsistent results. Given the role played by the FLs in ToM, we evaluated this and other functions in patients with FLE with ... Read more >>

Epilepsia (Epilepsia)
[2020, :]

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Mental disorder or conscious disturbance in epidermal growth factor receptor-tyrosine kinase inhibitor treatment of advanced lung adenocarcinoma.

Jing Zhu, Rui Zhou, Heng Xiao,

Epidermal growth factor receptor-tyrosine kinase inhibitors (EGFR-TKIs) are currently recommended by international guidelines as first-line treatment in patients with advanced EGFR-mutant non-small-cell lung cancer. With the availability of drugs, more and more patients choose EGFR-TKI treatment. However, pharmaceutical drugs used in clinical practice have side effects, such as diarrhea, paronychia, ... Read more >>

EXCLI J (EXCLI Journal)
[2020, 19:230-238]

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Case report of first-episode psychotic symptoms in a patient with early-onset Alzheimer's disease.

Xiao Li, Zhenzhen Xiong, Yaya Liu, Yiwen Yuan, Junfeng Deng, Weiyi Xiang, Zhe Li,

BACKGROUND:Alzheimer's disease (AD) is a neurodegenerative disorder featuring the behavioral and psychological symptoms of dementia. Patients with early-onset AD that exhibits first as psychotic symptoms usually lack obvious cognitive impairment, so they may be misdiagnosed with late-onset schizophrenia. CASE PRESENTATION:We report a patient who had prominent psychotic symptoms at the ... Read more >>

BMC Psychiatry (BMC psychiatry)
[2020, 20(1):128]

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Abnormal Cortical Thickness Is Associated With Deficits in Social Cognition in Patients With Myotonic Dystrophy Type 1.

Laura Serra, Guendalina Bianchi, Michela Bruschini, Giovanni Giulietti, Carlotta Di Domenico, Sabrina Bonarota, Antonio Petrucci, Gabriella Silvestri, Alessia Perna, Giovanni Meola, Carlo Caltagirone, Marco Bozzali,

Aim: To investigate the cortical thickness in myotonic dystrophy type 1 (DM1) and its potential association with patients' genetic triplet expansion and social cognition deficits. Methods: Thirty patients with DM1 underwent the Social Cognition Battery Test and magnetic resonance imaging (MRI) scanning at 3 T. Twenty-five healthy subjects (HSs) were ... Read more >>

Front Neurol (Frontiers in Neurology)
[2020, 11:113]

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Neural Correlates of Verb Fluency Performance in Cognitively Healthy Older Adults and Individuals With Dementia: A Pilot fMRI Study.

Eun Jin Paek, Laura L Murray, Sharlene D Newman,

Currently there are ~6 million Americans who are affected by dementia. Verbal fluency tasks have been commonly and frequently utilized to document the disease progression in many forms of dementia. Verb fluency has been found to display substantial potential to detect and monitor the cognitive declines of individuals with dementia ... Read more >>

Front Aging Neurosci (Frontiers in Aging Neuroscience)
[2020, 12:73]

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