abstract：:Effects of closed head injury (CHI) severity, focal brain lesions, and age at injury on word fluency (WF) were studied longitudinally in 122 children (78 severe, 44 mild); 112 CHI patients (68 severe, 44 mild CHI) and 104 uninjured normal controls participated in a cross-sectional study. WF was measured by asking the ...

journal_title：Neuropsychologia

authors： Levin HS,Song J,Ewing-Cobbs L,Chapman SB,Mendelsohn D

更新日期：2001-01-01 00:00:00

abstract：:Prospective memory (PM) refers to the functions that enables a person to carry out an intended act after a delay. Despite the ubiquity of this behaviour, little is known about the supporting brain structures and the roles that they play. In this study, eight healthy participants performed four different PM tasks, each...

journal_title：Neuropsychologia

authors： Burgess PW,Quayle A,Frith CD

更新日期：2001-01-01 00:00:00

abstract：:We compared the eye-movements of two patients who read letter-by-letter (LBL) following a left occipital lobe lesion with those of normal control subjects and of hemianopic patients in two tasks: a nonreading visual search task and a text reading task. Whereas the LBL readers exhibited similar eye-movement patterns to...

journal_title：Neuropsychologia

authors： Behrmann M,Shomstein SS,Black SE,Barton JJ

更新日期：2001-01-01 00:00:00

abstract：:Among 1848 young men appearing before the Danish draft board, 232 (13%) were left-handed. Of these, 118 (51%) used an inverted, or hook-like, writing posture, 49 (21%) used a non-inverted posture and the remaining 65 (28%) could not be categorized. There were no differences between left- and right-handers on a battery...

journal_title：Neuropsychologia

authors： Teasdale TW,Owen DR

更新日期：2001-01-01 00:00:00

abstract：:Twenty boys with developmental coordination disorder (DCD), 11 of whom had associated attention deficit disorder (ADD), were compared with an age-matched control group of 12 boys to examine mechanisms that adapt the grip force at the digit-object interface in a precision grip task. An experimental grip object equipped...

journal_title：Neuropsychologia

authors： Pereira HS,Landgren M,Gillberg C,Forssberg H

更新日期：2001-01-01 00:00:00

abstract：:Measures of left-right asymmetry in resting brain activity were derived from spectral estimates of electroencephalogram (EEG) alpha-band power density in 13 homologous scalp electrode pairs from 81 right-handed individuals (43 F) on two occasions separated by 6 weeks. At a third, later session, these individuals compl...

journal_title：Neuropsychologia

authors： Sutton SK,Davidson RJ

更新日期：2000-01-01 00:00:00

abstract：:The serial reaction time (SRT) task has been frequently used to assess procedural learning of sequences. Patients with Parkinson's disease (PD) have been reported to show deficits on this task, but it is as yet unclear whether this impairment reflects a general sequencing deficit or a deficit in the sequencing of moto...

journal_title：Neuropsychologia

authors： Helmuth LL,Mayr U,Daum I

更新日期：2000-01-01 00:00:00

abstract：:Alzheimer's disease (AD) is known to affect visual pathways, but potential concomitant effects on vision and cognitive performance are not well understood. We studied 43 individuals with AD of mild severity and 22 individuals without dementia on a battery of tests designed to measure multiple aspects of basic and high...

journal_title：Neuropsychologia

authors： Rizzo M,Anderson SW,Dawson J,Nawrot M

更新日期：2000-01-01 00:00:00

abstract：:Previous research claiming that there is a metamemory deficit in Alzheimer's Disease (AD) has been based on paradigms in which metamemory judgements are compared with performance. These methods confound predictive accuracy with very poor memory performance. In the experiments presented here this confound is removed by...

journal_title：Neuropsychologia

authors： Moulin CJ,Perfect TJ,Jones RW

更新日期：2000-01-01 00:00:00

abstract：:ERPs provide informative measures of slowed information processing in head injury. While several studies have reported changes in long latency ERPs (N2, P3) in head injury, the data on early ERP components related to attention selection are inconclusive. The problem may be partly methodological because the standard od...

journal_title：Neuropsychologia

authors： Reinvang I,Nordby H,Nielsen CS

更新日期：2000-01-01 00:00:00

abstract：:Traditionally, functional differences in the visual modality between the two hemispheres are investigated by tachistoscopic procedures. In these experiments, the stimuli reach the contralateral hemisphere first, and results are commonly interpreted on the basis of neuroanatomical access models. However, numerous studi...

journal_title：Neuropsychologia

authors： Bächtold D,Brugger P,Regard M

更新日期：2000-01-01 00:00:00

abstract：:Greene et al. [12] suggest that Alzheimer's disease (AD) patients approach repeated trials in a learning test as if they are single unrelated trials. Previous research [7] indicates that AD patients do not have explicit memory for item repetition when asked at test how many times a word was presented, but they do show...

journal_title：Neuropsychologia

authors： Moulin CJ,Perfect TJ,Jones RW

更新日期：2000-01-01 00:00:00

abstract：:The aim of this study was to investigate the potential dissociation between mental age and specific aspects of language: lexical and morphosyntactic comprehension and production in different situations and with different measures. Fifteen children with Down Syndrome (DS) (from 4 to 7 years) and fifteen normal controls...

journal_title：Neuropsychologia

authors： Vicari S,Caselli MC,Tonucci F

更新日期：2000-01-01 00:00:00

abstract：:We used an infra-red device to study the effects of gender and handwriting preference on manual asymmetry in tapping rate and intertap variability. Our sample (n=102) consisted of approximately equal number of subjects with respect to gender (52 women and 50 men) and handedness (52 right-handers and 50 left-handers). ...

journal_title：Neuropsychologia

authors： Schmidt SL,Oliveira RM,Krahe TE,Filgueiras CC

更新日期：2000-01-01 00:00:00

abstract：:This study examined the hypothesis that the kinematics of movements performed by PD (Parkinson's disease) patients are differentially affected depending on whether or not the aiming movement has an accuracy constraint. The aiming movements required elbow extension in the horizontal plane on a digitizer. There were two...

journal_title：Neuropsychologia

authors： Rand MK,Stelmach GE,Bloedel JR

更新日期：2000-01-01 00:00:00

abstract：:Two split-brained subjects, one (L.B.) with full forebrain commissurotomy and one (R.B.) with callosal agenesis, and a group of twenty neurologically intact subjects were tested in three discrimination tasks: a go-no go task, a two-choice task, and a three-choice task. The discriminations were based on colour in Exper...

journal_title：Neuropsychologia

authors： Forster B,Corballis MC

更新日期：2000-01-01 00:00:00

abstract：:It has been proposed that patients with spatial neglect fail to respond appropriately toward stimuli opposite their brain lesion because they have an impairment of directing attention. However, a disorder of 'intention' - or movement initiation - has also been demonstrated in this condition. Recently, the paths of neg...

journal_title：Neuropsychologia

authors： Jackson SR,Newport R,Husain M,Harvey M,Hindle JV

更新日期：2000-01-01 00:00:00

abstract：:Forty-six patients with single focal lesions (35 frontal, 11 nonfrontal) were administered the Wisconsin Card Sorting Test (WCST) under three conditions of test administration. The three conditions varied in the amount of external support provided via specificity of instructions. The WCST, while a multifactorial test,...

journal_title：Neuropsychologia

authors： Stuss DT,Levine B,Alexander MP,Hong J,Palumbo C,Hamer L,Murphy KJ,Izukawa D

更新日期：2000-01-01 00:00:00

abstract：:We examined the effects of emotional stimuli on right and left hemisphere detection performance in a hemifield visual discrimination task. A group of 18 healthy subjects were asked to discriminate between upright and inverted triangles (target). Targets were randomly presented in the left or right visual hemifield (15...

journal_title：Neuropsychologia

authors： Hartikainen KM,Ogawa KH,Knight RT

更新日期：2000-01-01 00:00:00

abstract：:Formalin fixed brains obtained from autopsy were studied by magnetic resonance imaging, using FLASH and MPR sequences. The overall volume and the midsagittal surface area of the corpus callosum (cc) of these brains were also directly measured by water displacement for overall volume determination and morphometry for c...

journal_title：Neuropsychologia

authors： Peters M,Jäncke L,Zilles K

更新日期：2000-01-01 00:00:00

abstract：:Visual objects can often be analyzed as hierarchical in structure, composed of local elements that are spatially arranged to form a global shape. The brain mechanisms involved in the analysis of hierarchical figures have been under considerable scrutiny in recent years, and one of the many interesting features that ha...

journal_title：Neuropsychologia

authors： Evans MA,Shedden JM,Hevenor SJ,Hahn MC

更新日期：2000-01-01 00:00:00

abstract：:Numerous studies have demonstrated dissociable neuroanatomic underpinnings for the retrieval of grammatical classes of words such as nouns and verbs. Whereas retrieval of common and proper nouns is primarily mediated by posterior and anterior temporal regions, respectively, verb retrieval is primarily mediated by fron...

journal_title：Neuropsychologia

authors： Piatt AL,Fields JA,Paolo AM,Tröster AI

更新日期：1999-12-01 00:00:00

abstract：:Previous research on memory and schizophrenia has relied on a limited number of global memory measures instead of a comprehensive assessment of various memory components. In addition, little effort has been directed at examining memory functioning in patients with early-onset schizophrenia. Published research often la...

journal_title：Neuropsychologia

authors： Oie M,Sunde K,Rund BR

更新日期：1999-11-01 00:00:00

abstract：:Theoretical and empirical research on the cognitive functions of the prefrontal cortex have established that this region mediates what have been called 'executive' processes that can influence working and long-term memory. Despite the accumulation of such empirical evidence, the dependence of purely mnemonic portions ...

journal_title：Neuropsychologia

authors： D'Esposito M,Postle BR

更新日期：1999-10-01 00:00:00

abstract：:Evidence showing that non-verbal short-term memory has distinct visual and spatial/sequential components is reviewed. A new test, The Visual Patterns Test (VPT), which was designed to measure short-term visual memory largely shorn of its spatio-sequential component, is described. Correlational studies of the VPT and t...

journal_title：Neuropsychologia

authors： Della Sala S,Gray C,Baddeley A,Allamano N,Wilson L

更新日期：1999-09-01 00:00:00

abstract：:The contribution of each cerebral hemisphere to the generation of semantic category meanings at automatic and strategic levels of processing was investigated in a priming experiment where prime and target words were independently projected to the left or right visual fields (LVF or RVF). Non-associated category exempl...

journal_title：Neuropsychologia

authors： Collins M

更新日期：1999-08-01 00:00:00

abstract：:Three experiments are reported examining judgements of the centre of a stick in a patient with unilateral neglect after right hemisphere damage. Replicating previous data [35, 37], judgements showed more evidence of neglect when pointing rather than when a grasp response was used (Experiment 1), particularly when poin...

journal_title：Neuropsychologia

authors： Edwards MG,Humphreys GW

更新日期：1999-07-01 00:00:00

abstract：:Twelve neurologically normal right-handed subjects were asked to remember the locations of eight representational drawings, presented one at a time, together with two landmarks (white squares), on a computer screen. Subjects were then scanned using positron emission tomography (PET) while performing forced-choice reco...

journal_title：Neuropsychologia

authors： Johnsrude IS,Owen AM,Crane J,Milner B,Evans AC

更新日期：1999-06-01 00:00:00

abstract：:This experiment investigated whether Parkinson's disease (PD) patients experience problems in producing stroke size, stroke duration or both, in a handwriting task. Thirteen PD patients and 15 elderly controls wrote four patterns of varying complexity on a digitizer tablet. The participants were instructed to execute ...

journal_title：Neuropsychologia

authors： Van Gemmert AW,Teulings HL,Contreras-Vidal JL,Stelmach GE

更新日期：1999-06-01 00:00:00

abstract：:Sixteen right-handed participants (eight male and eight female students) were administered a tachistoscopic unilateral letter-naming task. The design contained three valance conditions and two types of presentation. In baseline conditions no concurrent task was given. In threat and nonthreat conditions, each unilatera...

journal_title：Neuropsychologia

authors： Van Strien JW,Luipen MW

更新日期：1999-05-01 00:00:00

abstract：:Dichotic listening means that two different stimuli are presented at the same time, one in each ear. This technique is frequently used in experimental and clinical studies as a measure of hemispheric specialization. The primary aim of the present study was to record regional changes in the distribution of cerebral blo...

journal_title：Neuropsychologia

authors： Hugdahl K,Brønnick K,Kyllingsbaek S,Law I,Gade A,Paulson OB

更新日期：1999-04-01 00:00:00

abstract：:A classic Gestalt figure is a 4 x 4 array of items grouped by similarity into either rows or columns. We found that some people do not see rows ("row blindness"). Furthermore, row blindness correlates with difficulties processing written language--more than half of the college-age dyslexics tested were row blind. Read...

journal_title：Neuropsychologia

authors： Lewis JP,Frick RW

更新日期：1999-03-01 00:00:00

abstract：:We report on a left-handed patient with an ischemic infarction affecting exclusively the total length of the corpus callosum. This lesion clinically correlated with an almost complete callosal disconnection syndrome as described in callosotomy subjects, including unilateral verbal anosmia, hemialexia, unilateral ideom...

journal_title：Neuropsychologia

authors： Lausberg H,Göttert R,Münssinger U,Boegner F,Marx P

更新日期：1999-03-01 00:00:00

abstract：:We localized the neuroanatomical correlates for control of saccadic eye movements and for finger movements using a combined transcranial magnetic stimulation (TMS) and magnetic resonance imaging (MRI) approach. Two participants underwent TMS while performing an endogenous saccade task. The motor hand area was localize...

journal_title：Neuropsychologia

authors： Ro T,Cheifet S,Ingle H,Shoup R,Rafal R

更新日期：1999-02-01 00:00:00

abstract：:Transcranial magnetic stimulation (TMS) offers the neuropsychologist a 'virtual lesion' method of investigating the effects of cortical dysfunction. Classical neuropsychology relies on patients with irreversible, and often diffuse brain lesions and these factors place limitations on the inferences that can be drawn ab...

journal_title：Neuropsychologia

authors： Walsh V,Rushworth M

更新日期：1999-02-01 00:00:00

abstract：:A leading account of high-level visual recognition proposes that the recognition of faces, objects, and words is mediated by two processing capacities. Words are assumed to require the capacity to represent numerous parts, whereas faces are processed wholistically. and hence require the representation of complex units...

journal_title：Neuropsychologia

authors： Buxbaum LJ,Glosser G,Coslett HB

更新日期：1999-01-01 00:00:00

abstract：:We investigated the ability of patients with frontal-lobe lesions to benefit from advance information in a simple reaction-time task. The task involved pressing a button in response to the appearance of a peripheral target (visual angle of 11.5 degrees). A cue, presented in the centre of the screen, preceded the targe...

journal_title：Neuropsychologia

authors： Koski LM,Paus T,Petrides M

更新日期：1998-12-01 00:00:00

abstract：:We have found that the common marmoset, Callithrix jacchus, displays a larger left hemimouth during production of fear expressions, with or without vocalization, and a larger right hemimouth when producing a social contact call. Thus, marmosets have right hemisphere specialization for the production of negative emotio...

journal_title：Neuropsychologia

authors： Hook-Costigan MA,Rogers LJ

更新日期：1998-12-01 00:00:00

abstract：:We comment on a paper by Farah et al. in which it is claimed that averaged performance on a letter naming task by a group of patients with left unilateral spatial neglect (USN) provides evidence that spatial allocation of attention is defined by environment-centered and viewer-centred coordinates, but not by object-ce...

journal_title：Neuropsychologia

authors： Hillis AE,Rapp B

更新日期：1998-11-01 00:00:00

abstract：:A patient with a lesion confined largely to the right inferior frontal gyrus was found to be impaired on tests of spatial working memory and executive functioning. By contrast, his pattern recognition was good. The patient's selective impairments are consistent with the view that prefrontal cortex contributes to proce...

journal_title：Neuropsychologia

authors： Walker R,Husain M,Hodgson TL,Harrison J,Kennard C

更新日期：1998-11-01 00:00:00