abstract：:Benton's test of Stereognosis was administered separately to the left and right hands of six patients with complete cerebral commissurotomy and two patients with partial commissurotomy sparing the splenium. Experiment 1 displayed the multiple choice card in free vision for all patients whereas Experiment 2 displayed i...

journal_title：Neuropsychologia

authors： Zaidel E

更新日期：1998-10-01 00:00:00

abstract：:Two dichotic listening tests, one a verbal consonant-vowel identification task, the other a musical chord recognition task, were administered to 32 women at two points during the menstrual cycle, menses (when oestrogen is low) and the midluteal phase (when oestrogen is high), in a counterbalanced repeated measures des...

journal_title：Neuropsychologia

authors： Sanders G,Wenmoth D

更新日期：1998-09-01 00:00:00

abstract：:In a tachistoscopic visual search task, the effects of ipsi- and contralateral distractors on target search were investigated in two complete commissurotomy patients. Pop-out distractors slowed the search for contralateral targets in both patients, i.e. search was not independent in both hemifields. In normals, we pre...

journal_title：Neuropsychologia

authors： Pollmann S,Zaidel E

更新日期：1998-08-01 00:00:00

abstract：:This study investigated semantic priming for literal (stinging-mosquito) and metaphoric (stinging-insult) associates presented to either the left or right visual fields (RVF/LVF) across stimulus-onset-asynchronies (SOA) of 200 and 800 ms. For the short SOA condition, facilitation was found for metaphorically related t...

journal_title：Neuropsychologia

authors： Anaki D,Faust M,Kravetz S

更新日期：1998-07-01 00:00:00

abstract：:Moorlaas (1928) proposed that apraxic patients can identify objects and can remember the purpose they have been made for but do not know the way in which they must be used to achieve that purpose. Knowledge about the use of objects and tools can have two sources: It can be based on retrieval of instructions of use fro...

journal_title：Neuropsychologia

authors： Goldenberg G,Hagmann S

更新日期：1998-07-01 00:00:00

abstract：:Difficulties with verbal fluency tasks (VFIT) have been shown mainly to be associated with left frontal lobe pathology in lesion studies. The design fluency test (DFT) is a non-verbal analogue of word fluency tasks and has, in patients with right frontal lobe pathology, been coupled to an inability to perform well. Re...

journal_title：Neuropsychologia

authors： Elfgren CI,Risberg J

更新日期：1998-06-01 00:00:00

abstract：:We hypothesized that word-stem completion (WSC) priming and perceptual identification (PI) priming, two types of repetition priming, rely on different cognitive and neural mechanisms: WSC priming on a modification mechanism that influences lexical retrieval, and PI priming on plasticity in pre-lexical perceptual syste...

journal_title：Neuropsychologia

authors： Postle BR,Corkin S

更新日期：1998-05-01 00:00:00

abstract：:Impairments on lexical and semantic fluency tasks occur in both cortical and subcortical dementia. Recent reports that the average size of phonemic and semantic clusters is reduced in Alzheimer's disease (AD), but not in Parkinson's disease (PD) could support the hypothesis that in AD verbal fluency deficits arise fro...

journal_title：Neuropsychologia

authors： Tröster AI,Fields JA,Testa JA,Paul RH,Blanco CR,Hames KA,Salmon DP,Beatty WW

更新日期：1998-04-01 00:00:00

abstract：:After a session of unit activity recording, one of our monkeys presented an epileptic attack, which provoked contralateral tilting movements. The following days, the animal performed saccades and fixation tasks correctly in all directions, while contralateral arm reaching movements were severely impaired. To establish...

journal_title：Neuropsychologia

authors： Lucchetti C,Lui F,Bon L

更新日期：1998-03-01 00:00:00

abstract：:While amnesia and other cognitive disturbances are usually caused by structural brain damage, there are a few instances in which environmental stress may induce neuronal death in memory-sensitive brain regions such as the hippocampus. Here we report on a patient who, after a single brief exposure to an event reminding...

journal_title：Neuropsychologia

authors： Markowitsch HJ,Kessler J,Van Der Ven C,Weber-Luxenburger G,Albers M,Heiss WD

更新日期：1998-01-01 00:00:00

abstract：:In a recent theoretical paper (Behavioral and Brain Sciences, 1990, 13, 519-542), Previc argued that vertical asymmetries in perception may largely result from the biases of the lower and upper visual fields toward proximal and distal space, respectively. The present study examined whether this same relationship may e...

journal_title：Neuropsychologia

authors： Previc FH,Intraub H

更新日期：1997-12-01 00:00:00

abstract：:A dichotomy is thought to exist between the hemispheres whereby the right hemisphere is specialized for the processing of negative emotions and the left hemisphere is specialized for positive emotions. Van Strien and Morpurgo (Neuropsychologia, 1992, 30, 845-848) demonstrated that the activation of negative and positi...

journal_title：Neuropsychologia

authors： Ferry K,Nicholls ME

更新日期：1997-11-01 00:00:00

abstract：:Patients with right hemisphere injury frequently neglect to cancel targets primarily in the left part of the page nearest the body. Since this region is diagonally opposite the area from where such patients usually begin cancelling, near left ('diagonal') neglect may be consequent to stimulus order effects ('fatigue')...

journal_title：Neuropsychologia

authors： Mark VW,Heilman KM

更新日期：1997-11-01 00:00:00

abstract：:Although many individuals with traumatic brain injury (TBI) perform well on standard neuropsychological tests, they often exhibit marked functional difficulties. The functions which are impaired seem to be analogous to the role of the central executive system (CES) in Baddeley's [Working Memory, 1986, Oxford Universit...

journal_title：Neuropsychologia

authors： McDowell S,Whyte J,D'Esposito M

更新日期：1997-10-01 00:00:00

abstract：:Recent evidence on visual neglect suggests that each hemisphere maintains a retinotopically organized representation of the visual world contralateral to the current fixation point and that this representation is based not only on analysis of the current retinal input but, equally importantly, on information retrieved...

journal_title：Neuropsychologia

authors： Hornak J,Oxbury S,Oxbury J,Iversen SD,Gaffan D

更新日期：1997-09-01 00:00:00

abstract：:This study reports on a woman who suffered left anterior cerebral artery hemorrhage with a focal lesion undercutting the left supplementary motor area. After almost complete recovery of language the patient was left with dysfluent, halting speech. In a series of four experiments we examined the major factors influenci...

journal_title：Neuropsychologia

authors： Ziegler W,Kilian B,Deger K

更新日期：1997-09-01 00:00:00

abstract：:Twenty-one patients with unilateral prefrontal cortical neurosurgical lesions (11 left and 10 right) and 38 patients with unilateral temporal lobectomy (19 left and 19 right) were compared to 44 matched control subjects on their performance on the 3-D Computerized Tower of Hanoi (3-D CTOH) test. The problems were spli...

journal_title：Neuropsychologia

authors： Morris RG,Miotto EC,Feigenbaum JD,Bullock P,Polkey CE

更新日期：1997-08-01 00:00:00

abstract：:The status of semantic representations of nouns (concrete and abstract) and verbs (motion and non-motion) was investigated in patients with Alzheimer's disease (AD). Nouns and verbs have been argued to activate different neural substrates, given the selective difficulties reported for one or the other grammatical clas...

journal_title：Neuropsychologia

authors： Bushell CM,Martin A

更新日期：1997-08-01 00:00:00

abstract：:It has been shown that damage to the human lateral frontal cortex results in a severe impairment on conditional associative tasks requiring learning of arbitrary associations between a set of stimuli and a set of responses (Petrides, M., Neuropsychologia, 1985, 23, 601-614; 1990, 28, 137-149). In these studies, which ...

journal_title：Neuropsychologia

authors： Petrides M

更新日期：1997-07-01 00:00:00

abstract：:In a gap paradigm, healthy adult subjects performed visually triggered saccades to peripheral targets either with the fixation stimulus remaining on (overlap trials) or going off before target onset (gap trials). All subjects showed faster reaction times in the gap trials (the gap effect). High density scalp event-rel...

journal_title：Neuropsychologia

authors： Csibra G,Johnson MH,Tucker LA

更新日期：1997-06-01 00:00:00

abstract：:The case of a patient with selective left hemispheric medial and lateral temporal lobe damage is described. The patient was of slightly supra-average intelligence and had no problems in normal memory functions, but was severely anomic with respect to people's names. One month post-onset, this deficit held for names of...

journal_title：Neuropsychologia

authors： Reinkemeier M,Markowitsch HJ,Rauch M,Kessler J

更新日期：1997-05-01 00:00:00

abstract：:We investigated how perceptual and semantic relationships between the left and right half of chimeric stimuli influence overt and covert visual processing by asking eight right brain damaged (RBD) patients with hemispatial neglect to identify complete, half-, and chimeric drawings. Chimeric stimuli belonged in one of ...

journal_title：Neuropsychologia

authors： Peru A,Moro V,Avesani R,Aglioti S

更新日期：1997-05-01 00:00:00

abstract：:Groups of patients with Parkinson's disease, either medicated or unmedicated, were compared with a matched group of normal control subjects on a computerized battery of tests designed to assess spatial, verbal and visual working memory. In the spatial working memory task, subjects were required to search systematicall...

journal_title：Neuropsychologia

authors： Owen AM,Iddon JL,Hodges JR,Summers BA,Robbins TW

更新日期：1997-04-01 00:00:00

abstract：:Covered maze traversal models nonverbal planning, involving sequential execution of moves using learned spatial maps. To determine the neural substrate involved in maze processing, eleven adults underwent [H(2)15O]-PET while performing motor control, following the computer; visual control, choosing the wall with more ...

journal_title：Neuropsychologia

authors： Flitman S,O'Grady J,Cooper V,Grafman J

更新日期：1997-04-01 00:00:00

abstract：:A patient affected by amnestic aphasia, E.B., presented with a prevailing impairment in the use of operational signs and punctuation marks. His performance on tasks exploring his knowledge of these symbols is compared with that of two other patients suffering from similar aphasic disturbances. This comparison enables ...

journal_title：Neuropsychologia

authors： Laiacona M,Lunghi A

更新日期：1997-03-01 00:00:00

abstract：:We report three related studies of covert visual spatial orienting in child attention deficit hyperactivity disorder (ADHD). In Study 1, we examined covert visual spatial orienting in ADHD and comparison boys, Study 2 comprised a dose-response study of methylphenidate for the ADHD group, and Study 3 was an investigati...

journal_title：Neuropsychologia

authors： Nigg JT,Swanson JM,Hinshaw SP

更新日期：1997-02-01 00:00:00

abstract：:We investigated the effect of previous trial variables on performance in the current trial in a lexical decision task with unilateral presentation of one letter string or bilateral simultaneous presentation of two different letter strings, one cued to be processed (target) and the other uncued, to be ignored (distract...

journal_title：Neuropsychologia

authors： Iacoboni M,Rayman J,Zaidel E

更新日期：1997-01-01 00:00:00

abstract：:Prenatal alcohol exposure causes a variety of cognitive deficits, notably in mathematics and higher order processes such as abstraction. An exploratory battery was developed to examine specific types of number processing impairments in 29 adolescent and adult patients with Fetal Alcohol Syndrome (FAS) and Fetal Alcoho...

journal_title：Neuropsychologia

authors： Kopera-Frye K,Dehaene S,Streissguth AP

更新日期：1996-12-01 00:00:00

abstract：:Livingstone et al. [Livingstone, M. S., Rosen, G. D., Drislane, F. W. and Galaburda, A. M. Physiological and anatomical evidence for a magnocellular defect in developmental dyslexia. Proceedings of the National Academy of Science U.S.A. 88, 7943-7947, 1991] presented evidence for a defect of the magnocellular visual p...

journal_title：Neuropsychologia

authors： Johannes S,Kussmaul CL,Münte TF,Mangun GR

更新日期：1996-11-01 00:00:00

abstract：:Binary choice task has been poorly evaluated in patients with focal brain damage. We assessed the decision process in normal subjects and patients with frontal or posterior brain damage using a unimanual two-choice response time (CRT) paradigm. The decision was manipulated by varying the response probability and param...

journal_title：Neuropsychologia

authors： Godefroy O,Rousseaux M

更新日期：1996-10-01 00:00:00

abstract：:Inhibition of return (IOR) is the name that is associated with a response time (RT) delay to a visual stimulus presented at a recently cued spatial location. Two experiments with 26 undergraduates used an auditory analog to the visual IOR paradigm to examine whether manual RT inhibition would occur in the absence of v...

journal_title：Neuropsychologia

authors： Schmidt WC

更新日期：1996-10-01 00:00:00

abstract：:In this paper the performance of patients with unilateral hemispheric lesions (n = 10 with right brain damage; n = 10 with left brain damage) on a free-field sound localization task was contrasted with that of healthy controls (n = 10). Sound stimuli were presented binaurally in the horizontal plane from eight loudspe...

journal_title：Neuropsychologia

authors： Haeske-Dewick H,Canavan AG,Hömberg V

更新日期：1996-09-01 00:00:00

abstract：:We report the case of an aphasic patient, KP, whose spontaneous speech and ability to communicate verbally were severely reduced. His comprehension of written words was preserved. Naming was relatively preserved for objects but impaired for actions. We designed experiments to investigate his verb processing and senten...

journal_title：Neuropsychologia

authors： Manning L,Warrington EK

更新日期：1996-08-01 00:00:00

abstract：:Using positron emission tomography (PET), we studied physiological changes in a patient with frontal lobe damage resulting from closed head injury by assessing his regional cerebral blood flow (rCBF) pattern relative to that of his uninjured monozygotic (MZ) cotwin and against normal variability between cotwins in 10 ...

journal_title：Neuropsychologia

authors： Kirkby BS,Van Horn JD,Ostrem JL,Weinberger DR,Berman KF

更新日期：1996-07-01 00:00:00

abstract：:A case of pure retrograde amnesia following mild head injury is reported. Neuropsychological, psychodynamic and statistical approaches are employed in an attempt to disentangle the clinical picture presented by the patient. Focal retrograde amnesia, psychogenic retrograde amnesia and simulated amnesia are all taken in...

journal_title：Neuropsychologia

authors： Barbarotto R,Laiacona M,Cocchini G

更新日期：1996-06-01 00:00:00

abstract：:The location and possible function of the human frontal eye-field (FEF) were evaluated by reviewing results of cerebral blood-flow (CBF) and lesion studies. A remarkable consistency was found regarding the rostro-caudal (Y: from -6 to 1 mm) and dorso-ventral (Z: from 44 to 51 mm) location of the FEF, as defined by the...

journal_title：Neuropsychologia

authors： Paus T

更新日期：1996-06-01 00:00:00

abstract：:This single case study of the ability to generate verbal and non-verbal imagery in a woman who sustained a gunshot wound to the brain reports a significant difficulty in generating images of word shapes but not a significant problem in generating object images. Further dissociation, however, was observed in her abilit...

journal_title：Neuropsychologia

authors： Mehta Z,Newcombe F

更新日期：1996-05-01 00:00:00

abstract：:The representation of semantic codes in the cerebral hemispheres and the interhemispheric communication of these codes, was investigated in two priming experiments where prime and target words were independently projected to the left or right visual fields (LVF or RVF). Nonassociated category exemplars were employed a...

journal_title：Neuropsychologia

authors： Abernethy M,Coney J

更新日期：1996-05-01 00:00:00

abstract：:One subject (L.B.) with complete forebrain commissurotomy, another (D.K.) with posterior callosotomy, and 12 normal controls, were shown either single lights, simultaneous pairs, or successive pairs, presented either within the left or right visual fields or bilaterally. Regardless of location, all subjects scored at ...

journal_title：Neuropsychologia

authors： Naikar N,Corballis MC

更新日期：1996-04-01 00:00:00

abstract：:Reaction time (RT) to visual targets is lengthened following non-informative cues presented in the same location, or in different locations but in the same hemifield as the targets. RT lengthening is best accounted for by the voluntary suppression of an overt orienting toward the location of the cue: this veto produce...

journal_title：Neuropsychologia

authors： Tassinari G,Campara D

更新日期：1996-03-01 00:00:00