Abstract：
:The study describes the sulcal and gyral topography, variability, and left-right asymmetry of the parietal operculum. Eighty postmortem hemispheres as well as sagittal magnetic resonance images from 20 health volunteers (40 hemispheres) were evaluated. Four different types of parietal opercular sulcus topography were recognized. Most frequently, and conforming with the anatomic "textbook pattern", the inferior postcentral sulcus (POCS) is the sulcus anterior to the posterior ascending ramus (PAR) of the Sylvian fissure (type 1). Variations were the following: lack of a PAR (type 2), interposition of an intermediate opercular sulcus and gyrus between PAR and POCS (type 3), and direct transition of PAR into POCS with subsequent lack of a classical supramarginal gyrus (type 4). Inconstancy of the sulcal standard arrangement was especially pronounced among left hemispheres, where the patterns differed from type 1 in one third of the cases. Types 2 and 3 were significantly more frequent in left hemispheres, whereas type 4 occurred significantly more frequently in right hemispheres. Upon intraindividual left-right comparison, a remarkable 38% of the brains showed gross asymmetry of the parietal opercular sulcus patterns, characterized by a left type 2 or 3 and/or a right type 4; another 5% exhibited a reverse type of asymmetry. The findings supplement previous data on gross variability and left-right asymmetry of the posterior Sylvian fissure and its lower bank. They indicate that the Sylvian fissure is an unreliable landmark with respect to inferior parietal structures especially in left hemispheres. Individual mapping of perisylvian topography may contribute to studies on structural-functional relationship.
journal_name
Brain Langjournal_title
Brain and languageauthors
Steinmetz H,Ebeling U,Huang YX,Kahn Tdoi
10.1016/0093-934x(90)90135-4subject
Has Abstractpub_date
1990-05-01 00:00:00pages
515-33issue
4eissn
0093-934Xissn
1090-2155pii
0093-934X(90)90135-4journal_volume
38pub_type
杂志文章abstract：:This study reports on functional morpheme (I, D, and C) production in the spontaneous speech of five pairs of children who have undergone hemispherectomy, matching each pair for etiology and age at symptom onset, surgery, and testing. Our results show that following left hemispherectomy (LH), children evidence a great...
journal_title：Brain and language
pub_type： 杂志文章
doi：10.1016/j.bandl.2004.12.004
更新日期：2005-08-01 00:00:00
abstract：:Under the hypothesis that the mass/count distinction in English is marked by a monovalent lexical feature, this article investigates whether features, lexical or morphosyntactic, play a role in simple lexical decision. Research findings have yet to settle how many features are accessed during lexical decision and to w...
journal_title：Brain and language
pub_type： 杂志文章
doi：10.1006/brln.1999.2081
更新日期：1999-06-01 00:00:00
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journal_title：Brain and language
pub_type： 杂志文章
doi：10.1016/j.bandl.2019.104694
更新日期：2019-12-01 00:00:00
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journal_title：Brain and language
pub_type： 杂志文章
doi：10.1016/0093-934x(88)90067-3
更新日期：1988-03-01 00:00:00
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journal_title：Brain and language
pub_type： 杂志文章
doi：10.1016/j.bandl.2004.11.004
更新日期：2005-07-01 00:00:00
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journal_title：Brain and language
pub_type： 杂志文章
doi：10.1016/j.bandl.2012.04.010
更新日期：2013-05-01 00:00:00
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journal_title：Brain and language
pub_type： 杂志文章
doi：10.1016/j.bandl.2012.12.009
更新日期：2013-04-01 00:00:00
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journal_title：Brain and language
pub_type： 杂志文章
doi：10.1006/brln.2000.2405
更新日期：2001-06-01 00:00:00
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journal_title：Brain and language
pub_type： 杂志文章,评审
doi：10.1006/brln.1997.1836
更新日期：1997-03-01 00:00:00
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journal_title：Brain and language
pub_type： 杂志文章
doi：10.1016/j.bandl.2014.03.006
更新日期：2014-06-01 00:00:00
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journal_title：Brain and language
pub_type： 杂志文章
doi：10.1016/j.bandl.2019.104680
更新日期：2019-11-01 00:00:00
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journal_title：Brain and language
pub_type： 杂志文章
doi：10.1016/j.bandl.2012.06.001
更新日期：2013-06-01 00:00:00
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journal_title：Brain and language
pub_type： 临床试验,杂志文章
doi：10.1016/j.bandl.2008.10.002
更新日期：2009-01-01 00:00:00
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journal_title：Brain and language
pub_type： 杂志文章
doi：10.1016/0093-934x(88)90058-2
更新日期：1988-01-01 00:00:00
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journal_title：Brain and language
pub_type： 杂志文章
doi：10.1016/j.bandl.2016.04.003
更新日期：2016-06-01 00:00:00
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journal_title：Brain and language
pub_type： 杂志文章
doi：10.1006/brln.2000.2342
更新日期：2000-10-15 00:00:00
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journal_title：Brain and language
pub_type： 杂志文章
doi：10.1006/brln.1997.1893
更新日期：1998-04-01 00:00:00
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journal_title：Brain and language
pub_type： 杂志文章
doi：10.1016/j.bandl.2005.03.004
更新日期：2005-12-01 00:00:00
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journal_title：Brain and language
pub_type： 杂志文章,随机对照试验
doi：10.1016/j.bandl.2018.11.002
更新日期：2019-01-01 00:00:00
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journal_title：Brain and language
pub_type： 杂志文章
doi：10.1016/0093-934x(84)90095-6
更新日期：1984-07-01 00:00:00
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journal_title：Brain and language
pub_type： 杂志文章
doi：10.1016/s0093-934x(03)00110-x
更新日期：2003-11-01 00:00:00
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journal_title：Brain and language
pub_type： 杂志文章
doi：10.1006/brln.1998.1996
更新日期：1999-02-01 00:00:00
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journal_title：Brain and language
pub_type： 杂志文章
doi：10.1016/j.bandl.2011.11.005
更新日期：2013-06-01 00:00:00
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journal_title：Brain and language
pub_type： 杂志文章
doi：10.1016/j.bandl.2012.06.009
更新日期：2012-10-01 00:00:00
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journal_title：Brain and language
pub_type： 杂志文章
doi：10.1016/j.bandl.2011.05.007
更新日期：2011-10-01 00:00:00
abstract：:Cerebellar mutism occurs in about 25% of children following posterior fossa tumor surgery. It is usually accompanied by other neurological and behavioral disturbances. Mutism is transient in nature lasting several days to months and is frequently followed by dysarthria. In addition, impairment of language and other ne...
journal_title：Brain and language
pub_type： 杂志文章,评审
doi：10.1016/j.bandl.2013.01.001
更新日期：2013-12-01 00:00:00
abstract：:Here we tested the multiple-loci hypothesis of age-of-acquisition effects in both spoken and handwritten object naming using Event-Related Potentials (ERPs) and spatiotemporal segmentation analysis. Participants had to say aloud or write down picture names that varied on frequency trajectory (age-of-acquisition). Earl...
journal_title：Brain and language
pub_type： 杂志文章
doi：10.1016/j.bandl.2014.04.006
更新日期：2014-08-01 00:00:00
abstract：:The role of spelling-to-sound correspondence rules in oral word reading was investigated by asking patients with Alzheimer's Disease (AD) and normal controls to read aloud pronounceable letter strings that do not happen to be real words. These pseudowords were of two types: those that have orthographically similar "ne...
journal_title：Brain and language
pub_type： 杂志文章
doi：10.1016/0093-934x(92)90109-r
更新日期：1992-10-01 00:00:00
abstract：:Many studies have been conducted to measure monaural azimuthal sound localization performance with different sounds varying in frequency and complexity, but few have used linguistic stimuli. The present experimental design used subjects' first names in a monaural azimuthal localization task. Analysis of response accur...
journal_title：Brain and language
pub_type： 杂志文章
doi：10.1016/s0093-934x(02)00010-x
更新日期：2002-07-01 00:00:00
abstract：:A speculative neuronal template, equivalent to canonical syllable forms and independent of segmental representations, is offered to help account for (1) the inviolate nature of phonotactic constraints in aphasic speech output, and (2) left hemisphere specialization for speech sound access and output. The model, which ...
journal_title：Brain and language
pub_type： 杂志文章
doi：10.1016/0093-934x(84)90087-7
更新日期：1984-05-01 00:00:00
