abstract：:Whole-brain functional magnetic resonance imaging (MRI) was used to examine the neural substrates of internally (endogenous) and externally (exogenous) induced covert shifts of attention. Thirteen normal subjects performed three orienting conditions: endogenous (location of peripheral target predicted by a central arr...

journal_title：Journal of cognitive neuroscience

authors： Rosen AC,Rao SM,Caffarra P,Scaglioni A,Bobholz JA,Woodley SJ,Hammeke TA,Cunningham JM,Prieto TE,Binder JR

更新日期：1999-03-01 00:00:00

abstract：:Recent studies have shown that (1) the global precedence effects in processing the hierarchically organized stimulus can be attenuated by eliminating the low spatial frequencies contained in the stimulus and (2) the human magnocellular pathway is responsible for processing low spatial frequencies and the pathway can b...

journal_title：Journal of cognitive neuroscience

authors： Michimata Chikashi,Okubo M,Mugishima Y

更新日期：1999-01-01 00:00:00

abstract：:In order to test the language-specificity of a known neural correlate of syntactic processing [the P600 event-related brain potential (ERP) component], this study directly compared ERPs elicited by syntactic incongruities in language and music. Using principles of phrase structure for language and principles of harmon...

journal_title：Journal of cognitive neuroscience

authors： Patel AD,Gibson E,Ratner J,Besson M,Holcomb PJ

更新日期：1998-11-01 00:00:00

abstract：:Visual agnosia is a neuropsychological syndrome characterized by a failure of object identification. Apperceptive agnosia, an object identification deficit caused by damage to early perceptual processes, has been explained by appealing to both damaged early sensory processes and to damaged preattentive grouping proces...

journal_title：Journal of cognitive neuroscience

authors： Vecera SP,Gilds KS

更新日期：1998-09-01 00:00:00

abstract：:A configural theory of human amnesia is proposed. The theory predicts that amnesic patients will exhibit selective deficits on tasks that normal subjects perform by learning new configurations of stimulus elements. This prediction is supported by results for four amnesic patients who learned a nonconfigural control ta...

journal_title：Journal of cognitive neuroscience

authors： Rickard TC,Grafman J

更新日期：1998-07-01 00:00:00

abstract：:Prosopagnosia is the neuropathological inability to recognize familiar people by their faces. It can occur in isolation or can coincide with recognition deficits for other nonface objects. Often, patients whose prosopagnosia is accompanied by object recognition difficulties have more trouble identifying certain catego...

journal_title：Journal of cognitive neuroscience

authors： Dixon MJ,Bub DN,Arguin M

更新日期：1998-05-01 00:00:00

abstract：:Contrasts between implicit and explicit knowledge in the serial reaction time (SJRT) paradigm have been challenged because they have depended on a single dissociation; intact implicit knowledge in the absence of corresponding explicit knowledge. In the SRT task, subjects respond with a corresponding keypress to a cue ...

journal_title：Journal of cognitive neuroscience

authors： Reber PJ,Squire LR

更新日期：1998-03-01 00:00:00

abstract：:We claim that the animate and inanimate conceptual categories represent evolutionarily adapted domain-specific knowledge systems that are subserved by distinct neural mechanisms, thereby allowing for their selective impairment in conditions of brain damage. On this view, (some of) the category-specific deficits that h...

journal_title：Journal of cognitive neuroscience

authors： Caramazza A,Shelton JR

更新日期：1998-01-01 00:00:00

abstract：:We examined scalp-recorded event-related potentials following feedback stimuli in a time-estimation task. Six hundred msec after indicating the end of a 1 sec interval, subjects received a visual, auditory, or somatosensory stimulus that indicated whether the interval they had produced was correct. Following feedback ...

journal_title：Journal of cognitive neuroscience

authors： Miltner WH,Braun CH,Coles MG

更新日期：1997-11-01 00:00:00

abstract：:Facial displays are an important form of social communication in nonhuman primates. Clues to the information conveyed by faces are the temporal and spatial characteristics of ocular viewing patterns to facial images. The present study compares viewing patterns of four rhesus monkeys (Macaca mulatta) to a set of 1- and...

journal_title：Journal of cognitive neuroscience

authors： Nahm FK,Perret A,Amaral DG,Albright TD

更新日期：1997-10-01 00:00:00

abstract：:Viewing of single words produces a cognitively complex mental state in which anticipation, emotional responses, visual perceptual analysis, and activation of orthographic representations are all occurring. Previous PET studies have produced conflicting results, perhaps due to the conflation of these separate processes...

journal_title：Journal of cognitive neuroscience

authors： Beauregard M,Chertkow H,Bub D,Murtha S,Dixon R,Evans A

更新日期：1997-07-01 00:00:00

abstract：:Event-related brain potentials (EMS) were recorded while normal German subjects read either simple declarative sen- tences made up from real German words, or sentences that contained German pseudo-words instead of nouns and verbs. The verb (pseudo-verb) of the sentences disagreed in number with the subject noun (pseud...

journal_title：Journal of cognitive neuroscience

authors： Münte TF,Matzke M,Johannes S

更新日期：1997-05-01 00:00:00

abstract：:For more than a century, it has been known that damage to the right hemisphere of the brain can cause patients to be unaware of the contralesional side of space. This condition, known as unilateral neglect, represents a collection of clinically related spatial disorders characterized by the failure in free vision to r...

journal_title：Journal of cognitive neuroscience

authors： Mozer MC,Halligan PW,Marshall JC

更新日期：1997-03-01 00:00:00

abstract：:The aim of the present study was to assess the relationship between overt and covert orienting of attention in visual neglect patients with parietal and fronto-parietal lesions. Two stimuli were presented at eccentricities of 8° or 20° to the left (LVF) or right (RVF) visual fields and the patient was required to main...

journal_title：Journal of cognitive neuroscience

authors： Làdavas E,Zeloni G,Zaccara G,Gangemi P

更新日期：1997-01-01 00:00:00

abstract：:Abstract A follow-up study of a patient, C.N., with a severe auditory agnosia limited to music is reported. After bilateral temporal lobe damage, C.N., whose cognitive and speech functions are otherwise normal, is totally unable to identify or to experience a sense of familiarity with musical excerpts that were once h...

journal_title：Journal of cognitive neuroscience

authors： Peretz I

更新日期：1996-11-01 00:00:00

abstract：:Changes in several postnatal maturational processes during neural development have been implicated as potential mechanisms underlying critical period phenomena. Lenneberg hypothesized that maturational processes similar to those that govern sensory and motor development may also constrain capabilities for normal langu...

journal_title：Journal of cognitive neuroscience

authors： Weber-Fox CM,Neville HJ

更新日期：1996-07-01 00:00:00

abstract：:The purpose of this study was to compare the language and cognitive profiles of four progressive nonfluent aphasia (PNFA) patients with 25 probable Alzheimer's disease (pAD) patients, and to identify the distinct cortical defects associated with cognitive deficits in PNFA using positron emission tomography (PET). Long...

journal_title：Journal of cognitive neuroscience

authors： Grossman M,Mickanin J,Onishi K,Hughes E,D'Esposito M,Ding XS,Alavi A,Reivich M

更新日期：1996-04-01 00:00:00

abstract：:Abstract Patients with frontal lobe lesions were adminstered tests of paired-associate learning in which cue and response words are manipulated to increase interference across two study lists. In one test of paired-associate learning (AB-AC test), cue words used in one list are repeated in a second list but are associ...

journal_title：Journal of cognitive neuroscience

authors： Shimamura AP,Jurica PJ,Mangels JA,Gershberg FB,Knight RT

更新日期：1995-04-01 00:00:00

abstract：:Abstract Alfonso Caramazza is the David T. McLaughlin Distinguished Professor at Dartmouth College. He received the B.A. degree in psychology from McGill University in 1970 and the Ph.D. from Johns Hopkins University in 1974. He joined the Hopkins faculty in 1974 and taught there first in the Psychology Department and...

journal_title：Journal of cognitive neuroscience

authors：

更新日期：1995-04-01 00:00:00

abstract：:Abstract Primates are unique among mammals in possessing a region of dorsolateral prefrontal cortex with a well-developed internal granular layer. This region is commonly implicated in higher cognitive functions. Despite the histological distinctiveness of primate dorsolateral prefrontal cortex, the work of Rose, Wool...

journal_title：Journal of cognitive neuroscience

authors： Preuss TM

更新日期：1995-01-01 00:00:00

abstract：:Abstract A neural model is described of how the brain may autonomously learn a body-centered representation of a three-dimensional (3-D) target position by combining information about retinal target position, eye position, and head position in real time. Such a body-centered spatial representation enables accurate mov...

journal_title：Journal of cognitive neuroscience

authors： Guenther FH,Bullock D,Greve D,Grossberg S

更新日期：1994-10-01 00:00:00

abstract：:Abstract Three patients with semantic dementia, involving progressive deterioration of semantic memory, performed immediate serial recall of short sequences of familiar words. On the basis of their performance in other tasks of word comprehension and production, the stimuli were selected individually for each patient ...

journal_title：Journal of cognitive neuroscience

authors： Patterson K,Graham N,Hodges JR

更新日期：1994-01-01 00:00:00

abstract：:Abstract Sentence comprehension is a complex process involving at least a grammatical processor and a procedural component that supports language computations. One type of cerebral architecture that may underlie sentence processing is a network of distributed brain regions. We report two experiments designed to evalua...

journal_title：Journal of cognitive neuroscience

authors： Grossman M,Carvell S,Gollomp S,Stern MB,Reivich M,Morrison D,Alavi A,Hurtig HI

更新日期：1993-10-01 00:00:00

abstract：:Abstract The purpose of the present study was to examine patterns of neural activity relevant to language processing in 20-month-old infants, and to determine whether or not changes in cerebral organization occur as a function of specific changes in language development. Event-related potentials (ERPs) were recorded a...

journal_title：Journal of cognitive neuroscience

authors： Mills DL,Coffey-Corina SA,Neville HJ

更新日期：1993-07-01 00:00:00

abstract：:Abstract Recent physiological experiments have shown that the responses of many neurons in V1 and V3a are modulated by the direction of gaze. We have developed a neural network model of the hierarchy of maps in visual cortex to explore the hypothesis that visual features are encoded in egocentric (spatio-topic) coordi...

journal_title：Journal of cognitive neuroscience

authors： Pouget A,Fisher SA,Sejnowski TJ

更新日期：1993-04-01 00:00:00

abstract：:Abstract This paper describes the current state of our exploration of how motor program concepts may be related to neural mechanisms. We have proposed a model of sensorimotor networks with architectures inspired by the anatomy and physiology of the cerebellum and its interconnections with the red nucleus and the motor...

journal_title：Journal of cognitive neuroscience

authors： Berthier NE,Singh SP,Barto AG,Houk JC

更新日期：1993-01-01 00:00:00

abstract：:Event-related brain potentials were recorded from subjects as they attempted to identify words displayed tachistoscopically. Words that had also been presented a few minutes earlier in a different context were identified more often than were words that had not been presented before. This priming effect was observed fo...

journal_title：Journal of cognitive neuroscience

authors： Paller KA,Kutas M

更新日期：1992-10-01 00:00:00

abstract：:Abstract The topic of multiple forms of memory is considered from a biological point of view. Fact-and-event (declarative, explicit) memory is contrasted with a collection of non conscious (non-declarative, implicit) memory abilities including skills and habits, priming, and simple conditioning. Recent evidence is rev...

journal_title：Journal of cognitive neuroscience

authors： Squire LR

更新日期：1992-07-01 00:00:00

abstract：:Prosopagnosic patients appear to be impaired at recognizing faces. However, recent evidence for "covert recognition" in prosopagnosia has been taken to suggest that the impairment is not in face recognition per se, but rather in conscious access to face recognition. The most widely used test for covert recognition of ...

journal_title：Journal of cognitive neuroscience

authors： Wallace MA,Farah MJ

更新日期：1992-04-01 00:00:00

abstract：:We distinguish between strong and weak cognitive neuropsychology, with the former attempting to provide direct insights into the nature of information processing and the latter having the more modest goal of providing constraints on such theories. We argue that strong cognitive neuropsychology, although possible, is u...

journal_title：Journal of cognitive neuroscience

authors： Kosslyn SM,Intriligator JM

更新日期：1992-01-01 00:00:00

abstract：:The role of the left and right hemisphere was examined during semantic priming by antonyms, remote associates, and unrelated words. Targets presented directly to the left hemisphere showed an early facilitation and a late developing inhibition, while targets presented directly to the right hemisphere showed a late dev...

journal_title：Journal of cognitive neuroscience

authors： Nakagawa A

更新日期：1991-10-01 00:00:00

abstract：:Abstract To study environmental modulation of synaptic molecular structure, the major postsynaptic density protein (mPSDp) from rat visual cortex was monitored. This membrane component, a Ca(2+)/calmodulin-dependent protein kinase subunit, was measured during normal postnatal development and after visual deprivation. ...

journal_title：Journal of cognitive neuroscience

authors： Schoups AA,Black IB

更新日期：1991-07-01 00:00:00

abstract：:Theoretical considerations and diverse empirical data from clinical, psycholinguistic, and developmental studies suggest that language comprehension processes are decomposable into separate subsystems, including distinct systems for semantic and grammatical processing. Here we report that event-related potentials (ERP...

journal_title：Journal of cognitive neuroscience

authors： Neville H,Nicol JL,Barss A,Forster KI,Garrett MF

更新日期：1991-04-01 00:00:00

abstract：:An attention mechanism in the pulvinar nucleus of the thalamus appears to be involved in the filtering of a location in a cluttered visual field, according to recent PET data. The mechanism in the pulvinar is assumed to be a particular type of circuit that reciprocally connects thalamic relay cells to cortical cells. ...

journal_title：Journal of cognitive neuroscience

authors： Laberge D

更新日期：1990-10-01 00:00:00

abstract：:When observers are presented with hierarchical visual stimuli that contain incongruous coarse ("global") and fine ("local") pattern attributes, the global structure interferes with local pattern processing more than local structure interferes with global pattern processing. This effect is referred to as "global preced...

journal_title：Journal of cognitive neuroscience

authors： Hughes HC,Fendrich R,Reuter-Lorenz PA

更新日期：1990-07-01 00:00:00

abstract：:Neglect dyslexia, a reading impairment acquired as a consequence of brain injury, is traditionally interpreted as a disturbance of selective attention. Patients with neglect dyslexia may ignore the left side of an open book, the beginning words of a line of text, or the beginning letters of a single word. These patien...

journal_title：Journal of cognitive neuroscience

authors： Mozer MC,Behrmann M

更新日期：1990-04-01 00:00:00

abstract：:The 2-deoxyglucose (2-DG) method was used to study the effect of working memory processing on local cerebral glucose utilization (LCGU) in the diencephalon of the rhesus monkey. Monkeys were given [(14)C]2-DG while performing either one of three tasks that engaged working memory (WORK group) or one of two control task...

journal_title：Journal of cognitive neuroscience

authors： Friedman HR,Janas JD,Goldman-Rakic PS

更新日期：1990-01-01 00:00:00

abstract：:The specific contributions of distal dendrites to the computational properties of cortical neurons are little understood and are completely ignored in most network simulations of higher brain functions. Compartmental models, based on realistic estimates of morphology and physiology, provide a means for exploring these...

journal_title：Journal of cognitive neuroscience

authors： Shepherd GM,Woolf TB,Carnevale NT

更新日期：1989-07-01 00:00:00

abstract：:What are the implications of anatomical localization of component mental operations for cognitive models? In this paper we use the anatomical localizations of visual and auditory word processing that were previously reported from PET studies (Petersen, Fox, Posner, Mintun & Raichle, 1988. We hypothesize that two opera...

journal_title：Journal of cognitive neuroscience

authors： Posner MI,Sandson J,Dhawan M,Shulman GL

更新日期：1989-01-01 00:00:00