Abstract:
:Volumetric magnetic resonance imaging analyses of 30 subjects were undertaken to quantify the global and temporal lobe atrophy in semantic dementia and Alzheimer's disease. Three groups of 10 subjects were studied: semantic dementia patients, Alzheimer's disease patients, and control subjects. The temporal lobe structures measured were the amygdala, hippocampus, entorhinal cortex, parahippocampal gyrus, fusiform gyrus, and superior, middle, and inferior temporal gyri. Semantic dementia and Alzheimer's disease groups did not differ significantly on global atrophy measures. In semantic dementia, there was asymmetrical temporal lobe atrophy, with greater left-sided damage. There was an anteroposterior gradient in the distribution of temporal lobe atrophy, with more marked atrophy anteriorly. All left anterior temporal lobe structures were affected in semantic dementia, with the entorhinal cortex, amygdala, middle and inferior temporal gyri, and fusiform gyrus the most severely damaged. Asymmetrical, predominantly anterior hippocampal atrophy was also present. In Alzheimer's disease, there was symmetrical atrophy of the entorhinal cortex, hippocampus, and amygdala, with no evidence of an anteroposterior gradient in the distribution of temporal lobe or hippocampal atrophy. These data demonstrate that there is a marked difference in the distribution of temporal lobe atrophy in semantic dementia and Alzheimer's disease. In addition, the pattern of atrophy in semantic dementia suggests that semantic memory is subserved by anterior temporal lobe structures, within which the middle and inferior temporal gyri may play a key role.
journal_name
Ann Neuroljournal_title
Annals of neurologyauthors
Chan D,Fox NC,Scahill RI,Crum WR,Whitwell JL,Leschziner G,Rossor AM,Stevens JM,Cipolotti L,Rossor MNkeywords:
subject
Has Abstractpub_date
2001-04-01 00:00:00pages
433-42issue
4eissn
0364-5134issn
1531-8249journal_volume
49pub_type
杂志文章abstract::A dinucleotide repeat polymorphism in a tau intron was identified and used in a case-control study to analyze the genetic association of tau with several neurodegenerative diseases with tau pathology. Subjects with the homozygous tau AO alleles were excessively represented in the progressive supranuclear palsy (PSP) g...
journal_title:Annals of neurology
pub_type: 杂志文章
doi:10.1002/ana.410410222
更新日期:1997-02-01 00:00:00
abstract:OBJECTIVE:Narcolepsy is caused by the loss of hypocretin/orexin neurons in the hypothalamus, which is likely the result of an autoimmune process. Recently, concern has been raised over reports of narcolepsy in northern Europe following H1N1 vaccination. METHODS:The study is a retrospective analysis of narcolepsy onset...
journal_title:Annals of neurology
pub_type: 杂志文章
doi:10.1002/ana.22587
更新日期:2011-09-01 00:00:00
abstract:OBJECTIVE:The objective of this study was to investigate the role of CD8+ CD25+ FoxP3+ cells during the course of multiple sclerosis (MS). METHODS:Peripheral blood and cerebrospinal fluid (CSF) CD8+ T-cell clones (TCCs) recognizing autoreactive CD4+ T cells were isolated from 20 MS patients during exacerbations, 15 pa...
journal_title:Annals of neurology
pub_type: 杂志文章
doi:10.1002/ana.21944
更新日期:2010-05-01 00:00:00
abstract:OBJECTIVE:We aimed to determine the risk of short- and long-term stroke, as well as accidental injury, in patients discharged from an emergency department who were given a diagnosis of a peripheral vestibular disorder. METHODS:In this population-based, retrospective, cohort study, we identified all adult patients who ...
journal_title:Annals of neurology
pub_type: 杂志文章
doi:10.1002/ana.24521
更新日期:2016-01-01 00:00:00
abstract:OBJECTIVE:Deletions of CACNA1A, encoding the α1 subunit of CaV 2.1 channels, cause epilepsy with ataxia in humans. Whereas the deletion of Cacna1a in γ-aminobutyric acidergic (GABAergic) interneurons (INs) derived from the medial ganglionic eminence (MGE) impairs cortical inhibition and causes generalized seizures in N...
journal_title:Annals of neurology
pub_type: 杂志文章
doi:10.1002/ana.25301
更新日期:2018-09-01 00:00:00
abstract::Intraneural injection of antisera from rabbits with high antigalactocerebroside antibody levels into rat sciatic nerve produced acute nerve conduction block. This was first apparent in some motor axons between 30 and 60 minutes after injection and progressed to completion within 2 to 4 hours. Concurrent morphological ...
journal_title:Annals of neurology
pub_type: 杂志文章
doi:10.1002/ana.410110506
更新日期:1982-05-01 00:00:00
abstract:OBJECTIVE:The polyglutamine diseases, including Huntington's disease (HD) and multiple spinocerebellar ataxias (SCAs), are among the commonest hereditary neurodegenerative diseases. They are caused by expanded CAG tracts, encoding glutamine, in different genes. Longer CAG repeat tracts are associated with earlier ages ...
journal_title:Annals of neurology
pub_type: 杂志文章,多中心研究
doi:10.1002/ana.24656
更新日期:2016-06-01 00:00:00
abstract::White matter degeneration is one of the pathological conditions of dentatorubral-pallidoluysian atrophy. Autopsy brains exhibited a reduced number of glial cells in the lesions and an involvement of oligodendrocytes in nuclear inclusion formation, which previously has been recognized only as a pathological hallmark in...
journal_title:Annals of neurology
pub_type: 杂志文章
doi:10.1002/ana.10352
更新日期:2002-11-01 00:00:00
abstract::Nine patients who had suffered strokes were examined between 10 and 34 days after onset using positron emission tomography. DMO labeled with carbon 11 was used to evaluate brain acid-base balance, and the oxygen-15 inhalation technique was used to measure regional cerebral blood flow, the oxygen extraction fraction, a...
journal_title:Annals of neurology
pub_type: 杂志文章
doi:10.1002/ana.410140405
更新日期:1983-10-01 00:00:00
abstract::Previous studies using two seizure paradigms, electroconvulsive shock and kindling, suggested potential sites of endogenous thyrotropin-releasing hormone (TRH) action in specific epileptogenic areas. We studied TRH gene expression and TRH receptors in rat limbic areas using the kindling model of epilepsy. Immunoassaya...
journal_title:Annals of neurology
pub_type: 杂志文章
doi:10.1002/ana.410330112
更新日期:1993-01-01 00:00:00
abstract::Phosphorus magnetic resonance spectra of resting muscle were obtained from 4 patients with alternating hemiplegia of childhood. All patients had abnormally high resonance intensities from inorganic phosphate and an abnormally low calculated cytosolic phosphorylation potential. Two of the 4 patients had abnormally low ...
journal_title:Annals of neurology
pub_type: 杂志文章
doi:10.1002/ana.410330608
更新日期:1993-06-01 00:00:00
abstract::Patients with multiple sclerosis (MS) frequently have selective depletion of the CD45R+CD4+ T-cell subset during active phases of disease. To study the relationship between changes in this subset and the onset of objective clinical exacerbations of disease, a longitudinal study was undertaken. Two CD4+ T-cell subsets ...
journal_title:Annals of neurology
pub_type: 杂志文章
doi:10.1002/ana.410240204
更新日期:1988-08-01 00:00:00
abstract:OBJECTIVE:MRI-negative (MRI-) pharmacoresistant focal epilepsy (PFE) patients are most challenging for epilepsy surgical management. This study utilizes a voxel-based MRI postprocessing technique, implemented using a morphometric analysis program (MAP), aiming to facilitate detection of subtle focal cortical dysplasia ...
journal_title:Annals of neurology
pub_type: 杂志文章
doi:10.1002/ana.24169
更新日期:2014-05-01 00:00:00
abstract::The mechanism underlying mirrored activity/movements in normal individuals is unknown. To investigate this, we studied 11 adults and 39 children who performed sequential finger-thumb opposition or repetitive index finger abduction. Surface electromyographic (EMG) activity recorded from the left and right first dorsal ...
journal_title:Annals of neurology
pub_type: 杂志文章
doi:10.1002/1531-8249(199905)45:5<583::aid-ana6>3.0.co
更新日期:1999-05-01 00:00:00
abstract::A primary haplotype (H1) of the microtubule-associated protein Tau (MAPT) gene is associated with Parkinson's disease (PD). However, the mechanism for disease susceptibility remains unknown. We examined the promoter region of MAPT and identified single nucleotide polymorphisms and insertions of 1 to 11 nucleotides. Th...
journal_title:Annals of neurology
pub_type: 杂志文章
doi:10.1002/ana.10826
更新日期:2004-03-01 00:00:00
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journal_title:Annals of neurology
pub_type: 杂志文章
doi:10.1002/ana.10454
更新日期:2003-01-01 00:00:00
abstract::The pathogenetic role of anti-GM1 in chronic acquired demyelinating polyneuropathy (CADP) is uncertain. An association between antibodies and disease activity has not yet been established. In 8 patients with CADP followed longitudinally, anti-GM1 antibodies were monitored with a standardized enzyme-linked immunosorben...
journal_title:Annals of neurology
pub_type: 杂志文章
doi:10.1002/ana.410430113
更新日期:1998-01-01 00:00:00
abstract::Dichloroacetate (DCA) stimulates pyruvate dehydrogenase complex (PDHC) activity and lowers cerebral lactate concentrations. In the R6/2 and N171-82Q transgenic mouse models of Huntington's disease (HD), DCA significantly increased survival, improved motor function, delayed loss of body weight, attenuated the developme...
journal_title:Annals of neurology
pub_type: 杂志文章
doi:10.1002/ana.1085
更新日期:2001-07-01 00:00:00
abstract::Ten patients with sporadic olivopontocerebellar atrophy and autonomic failure were studied with positron emission tomography. Subjects underwent both an [11C]diprenorphine and an [18F]fluorodopa scan. The mean caudate-occipital uptake ratio for [11C]diprenorphine was significantly reduced to 88% and the putamen-occipi...
journal_title:Annals of neurology
pub_type: 杂志文章
doi:10.1002/ana.410370505
更新日期:1995-05-01 00:00:00
abstract::The effect of focal ischemia on tissue pH was studied at various times up to 6 hours after permanent middle cerebral artery occlusion in rats. Tissue pH was imaged by using umbelliferone fluorescence and correlated with cerebral blood flow, ATP content, and recordings of the steady potential. Circumscribed foci of all...
journal_title:Annals of neurology
pub_type: 杂志文章
doi:
更新日期:2000-04-01 00:00:00
abstract::We analyzed the prion protein gene (PRNP) region in patients with transmissible spongiform encephalopathy associated with the PRNP D178N mutation. The results suggest that the D178N chromosomes had independent origins in each affected pedigree or apparently sporadic case. A de novo spontaneous PRNP mutation was observ...
journal_title:Annals of neurology
pub_type: 杂志文章
doi:10.1002/ana.10267
更新日期:2002-09-01 00:00:00
abstract::The development of serotonin (5HT1B/1D) agonists as treatments for the acute attack of migraine has resulted in considerable interest in their mechanism of action and, to some extent, renewed interest in the role of serotonin (5-hydroxytryptamine; 5HT) in the disorder. The initial synthesis of this class of compounds ...
journal_title:Annals of neurology
pub_type: 杂志文章
doi:10.1002/ana.410430605
更新日期:1998-06-01 00:00:00
abstract::Alexander's law refers to the phenomenon in which the spontaneous nystagmus of a patient with a vestibular lesion is more intense when the patient looks in the quick-phase than in the slow-phase direction. Alexander's law was investigated in normal subjects as well as patients with vestibular lesions. During sinusoida...
journal_title:Annals of neurology
pub_type: 杂志文章
doi:10.1002/ana.410160614
更新日期:1984-12-01 00:00:00
abstract::We studied rhesus monkeys with hemiparkinsonism or bilateral parkinsonism produced by unilateral or bilateral intracarotid administration of 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine. Using a standardized clinical rating scale, 4 hemiparkinsonian monkeys showed a 13 to 56% (mean, 36%) spontaneous improvement during...
journal_title:Annals of neurology
pub_type: 杂志文章
doi:10.1002/ana.410290618
更新日期:1991-06-01 00:00:00
abstract::Spinal muscular atrophy (SMA) is a motor neuron disease caused by dysfunction of the survival motor neuron (SMN) gene. Human SMN gene is present in duplicated copies: SMN1 and SMN2. More than 95% of patients with SMA lack a functional SMN1 but retain at least one copy of SMN2. Unlike SMN1, SMN2 is primarily transcribe...
journal_title:Annals of neurology
pub_type: 杂志文章
doi:10.1002/ana.20548
更新日期:2005-08-01 00:00:00
abstract::Identifying asymptomatic older individuals at elevated risk for developing Alzheimer disease (AD) is of clinical importance. Among 1,081 asymptomatic older adults, a recently validated polygenic hazard score (PHS) significantly predicted time to AD dementia and steeper longitudinal cognitive decline, even after contro...
journal_title:Annals of neurology
pub_type: 杂志文章
doi:10.1002/ana.25029
更新日期:2017-09-01 00:00:00
abstract::Gene therapy methods have continued to develop rapidly, and many initial limitations that hampered clinical application have been overcome. Thus serious consideration of clinical application of gene therapy is warranted for selected disorders in which the pathogenesis is well defined. Parkinson's disease has been the ...
journal_title:Annals of neurology
pub_type: 杂志文章,评审
doi:10.1002/ana.10654
更新日期:2003-01-01 00:00:00
abstract::From a population-based sample of 15,504 patients attending Canadian multiple sclerosis (MS) clinics, we have determined the frequency of conjugal MS and have estimated the recurrence risk in offspring of such matings. Twenty-three MS cases were found among 13,550 spouses of study probands for a crude conjugal rate of...
journal_title:Annals of neurology
pub_type: 杂志文章
doi:
更新日期:2000-12-01 00:00:00
abstract::Ten laminin alpha2-deficient patients were identified by both immunofluorescence and immunoblotting (30% of congenital muscular dystrophy patients tested). Three of the laminin alpha2-deficient patients were carrying a diagnosis of infantile polymyositis prior to immunostaining studies. The clinical features in the 10...
journal_title:Annals of neurology
pub_type: 杂志文章
doi:10.1002/ana.410400515
更新日期:1996-11-01 00:00:00
abstract:OBJECTIVE:Seizure at onset (SaO) has been considered a relative contraindication for intravenous thrombolysis (IVT) in patients with acute ischemic stroke, although this appraisal is not evidence based. Here, we investigated the prognostic significance of SaO in patients treated with IVT for suspected ischemic stroke. ...
journal_title:Annals of neurology
pub_type: 杂志文章,多中心研究
doi:10.1002/ana.25582
更新日期:2019-11-01 00:00:00