A cortical mechanism for triggering top-down facilitation in visual object recognition.

abstract：:The macaque FEFs and the lateral intraparietal area (LIP) are high-level cortical areas involved in both spatial attention and oculomotor behavior. Stimulating FEF at a level below the threshold for evoking saccades increases fMRI activity and gamma power in area LIP, but the precise effect exerted by the FEF on LIP n...

journal_title：Journal of cognitive neuroscience

authors： Premereur E,Vanduffel W,Janssen P

更新日期：2014-08-01 00:00:00

abstract：:We studied the brain activation patterns in two visual image processing tasks requiring judgements on object construction (FIT task) or object sameness (SAME task). Eight right-handed healthy human subjects (four women and four men) performed the two tasks in a randomized block design while 5-mm, multislice functional...

journal_title：Journal of cognitive neuroscience

authors： Georgopoulos AP,Whang K,Georgopoulos MA,Tagaris GA,Amirikian B,Richter W,Kim SG,Uğurbil K

更新日期：2001-01-01 00:00:00

abstract：:Humans display a remarkable capacity to use tools instead of their biological effectors. Yet, little is known about the mechanisms that support these behaviors. Here, participants learned to grasp objects, appearing in a variety of orientations, with a novel, handheld mechanical tool. Following training, psychophysica...

journal_title：Journal of cognitive neuroscience

authors： Jacobs S,Danielmeier C,Frey SH

更新日期：2010-11-01 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：:Traditional auditory oddball paradigms imply the brain's ability to encode regularities, but are not optimal for investigating the process of regularity establishment. In the present study, a dynamic experimental protocol was developed that simulates a more realistic auditory environment with changing regularities. Th...

journal_title：Journal of cognitive neuroscience

authors： Bendixen A,Roeber U,Schröger E

更新日期：2007-10-01 00:00:00

abstract：:Renewal is defined as the recovery of an extinguished response if extinction and retrieval contexts differ. The context dependency of extinction, as demonstrated by renewal, has important implications for extinction-based therapies. Persons showing renewal (REN) exhibit higher hippocampal activation during extinction ...

journal_title：Journal of cognitive neuroscience

authors： Lissek S,Glaubitz B,Schmidt-Wilcke T,Tegenthoff M

更新日期：2016-05-01 00:00:00

abstract：:In a previously conducted randomized placebo-controlled trial, we were able to demonstrate significant visual field enlargement induced by restitution therapy in patients with cerebral lesions [Kasten, E., Wuest, S., Behrens-Bamann, W., & Sabel, B. A. (1998c). Computer-based training for the treatment of partial blind...

journal_title：Journal of cognitive neuroscience

authors： Kasten E,Poggel DA,Sabel BA

更新日期：2000-11-01 00:00:00

abstract：:Cognitive control processes enable us to adjust our behavior to changing environmental demands. Although neuropsychological studies suggest that the critical cortical region for cognitive control is the prefrontal cortex, neuro-imaging studies have emphasized the interplay of prefrontal and parietal cortices. This rai...

journal_title：Journal of cognitive neuroscience

authors： Brass M,Ullsperger M,Knoesche TR,von Cramon DY,Phillips NA

更新日期：2005-09-01 00:00:00

abstract：:Goal-irrelevant information may interfere with ongoing task activities if not controlled properly. Evidence suggests that the ability to control interference is connected mainly to the prefrontal cortex (pFC). However, it remains unclear whether gray matter (GM) volume in prefrontal regions influences individual diffe...

journal_title：Journal of cognitive neuroscience

authors： Samrani G,Bäckman L,Persson J

更新日期：2019-10-01 00:00:00

abstract：:The posterior STS (pSTS) is an important brain region for perceptual analysis of social cognitive cues. This study seeks to characterize the pattern of network connectivity emerging from the pSTS in three core social perception localizers: biological motion perception, gaze recognition, and the interpretation of movin...

journal_title：Journal of cognitive neuroscience

authors： Dasgupta S,Tyler SC,Wicks J,Srinivasan R,Grossman ED

更新日期：2017-02-01 00:00:00

abstract：:In everyday situations, we often rely on our memories to find what we are looking for in our cluttered environment. Recently, we developed a new experimental paradigm to investigate how long-term memory (LTM) can guide attention and showed how the pre-exposure to a complex scene in which a target location had been lea...

journal_title：Journal of cognitive neuroscience

authors： Patai EZ,Doallo S,Nobre AC

更新日期：2012-12-01 00:00:00

abstract：:Previous research has shown that attention to a specific location on a uniform visual object spreads throughout the entire object. Here we demonstrate that, similar to the visual system, spatial attention in touch can be object guided. We measured event-related brain potentials to tactile stimuli arising from objects ...

journal_title：Journal of cognitive neuroscience

authors： Gillmeister H,Adler J,Forster B

更新日期：2010-05-01 00:00:00

abstract：:The aim of this study was to find the most prominent source of intersubject variability in neuronal activation for reading familiar words aloud. To this end, we collected functional imaging data from a large sample of subjects (n = 76) with different demographic characteristics such as handedness, sex, and age, while ...

journal_title：Journal of cognitive neuroscience

authors： Kherif F,Josse G,Seghier ML,Price CJ

更新日期：2009-04-01 00:00:00

abstract：:Many features can describe a concept, but only some features define a concept in that they enable discrimination of items that are instances of a concept from (similar) items that are not. We refer to this property of some features as feature diagnosticity. Previous work has described the behavioral effects of feature...

journal_title：Journal of cognitive neuroscience

authors： Hsu NS,Schlichting ML,Thompson-Schill SL

更新日期：2014-12-01 00:00:00

abstract：:Visual context plays a prominent role in everyday perception. Contextual information can facilitate recognition of objects within scenes by providing predictions about objects that are most likely to appear in a specific setting, along with the locations that are most likely to contain objects in the scene. Is such id...

journal_title：Journal of cognitive neuroscience

authors： Gronau N,Neta M,Bar M

更新日期：2008-03-01 00:00:00

abstract：:We conducted two fMRI studies to investigate the sensitivity of delay-period activity to changes in memory load during a delayed-recognition task for faces. In Experiment 1, each trial began with the presentation of a memory array consisting of one, two, or three faces that lasted for 3 sec. A 15-sec delay period foll...

journal_title：Journal of cognitive neuroscience

authors： Jha AP,McCarthy G

更新日期：2000-01-01 00:00:00

abstract：:Neurophysiological studies in nonhuman primates have demonstrated that the prefrontal cortex (PFC) plays a critical role in the acquisition of learned categories following training. What is presently unclear is whether this cortical area also plays a role in spontaneous recognition and discrimination of natural catego...

journal_title：Journal of cognitive neuroscience

authors： Gifford GW 3rd,MacLean KA,Hauser MD,Cohen YE

更新日期：2005-09-01 00:00:00

abstract：:At birth, human infants and newborns of other primate species demonstrate the capacity to attend and to respond to facial stimuli provided by a caregiver. Newborn infants are also capable of exhibiting a range of facial expressions. Identification of the neural underpinnings of these capacities represents a formidable...

journal_title：Journal of cognitive neuroscience

authors： Ferrari PF,Vanderwert RE,Paukner A,Bower S,Suomi SJ,Fox NA

更新日期：2012-05-01 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：:Absolute pitch (AP) is the rare ability to identify or produce different pitches without using reference tones. At least two sequential processing stages are assumed to contribute to this phenomenon. The first recruits a pitch memory mechanism at an early stage of auditory processing, whereas the second is driven by a...

journal_title：Journal of cognitive neuroscience

authors： Rogenmoser L,Elmer S,Jäncke L

更新日期：2015-03-01 00:00:00

abstract：:"Priming of pop-out" is a form of implicit memory that facilitates detection of a recently inspected search target. Repeated presentation of a target's features or its spatial position improves detection speed (feature/spatial priming). This study investigated a role for the human frontal eye fields (FEFs) in the prim...

journal_title：Journal of cognitive neuroscience

authors： O'Shea J,Muggleton NG,Cowey A,Walsh V

更新日期：2007-07-01 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：:Previous studies on the neural correlates of perceptual awareness implicate sensory-specific regions and higher cortical regions such as the prefrontal cortex (PFC) in this process. The specific role of PFC regions is, however, unknown. PFC activity could be bottom-up driven, integrating signals from sensory regions. ...

journal_title：Journal of cognitive neuroscience

authors： Eriksson J,Larsson A,Nyberg L

更新日期：2008-10-01 00:00:00

abstract：:Predicting future events based on previous knowledge about the environment is critical for successful everyday interactions. Here, we ask which brain regions support our ability to predict the future based on implicit knowledge about the past in young and older age. Combining behavioral and fMRI measurements, we test ...

journal_title：Journal of cognitive neuroscience

authors： Luft CD,Baker R,Goldstone A,Zhang Y,Kourtzi Z

更新日期：2016-03-01 00:00:00

abstract：:Currently, there is considerable controversy regarding the degree to which top-down control can affect attentional capture by salient events. According to the contingent capture hypothesis, attentional capture by a salient stimulus is contingent on a match between the properties of the stimulus and top-down attentiona...

journal_title：Journal of cognitive neuroscience

authors： Leblanc E,Prime DJ,Jolicoeur P

更新日期：2008-04-01 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：:The human brain has evolved to process motivationally relevant information in an optimized manner. The perceptual benefit for emotionally arousing material, termed motivated attention, is indexed by electrocortical amplification at various levels of stimulus analysis. An outstanding issue, particularly on a neuronal l...

journal_title：Journal of cognitive neuroscience

authors： Ihssen N,Heim S,Keil A

更新日期：2007-12-01 00:00:00

abstract：:The fundamental role that our long-term memories play in guiding perception is increasingly recognized, but the functional and neural mechanisms are just beginning to be explored. Although experimental approaches are being developed to investigate the influence of long-term memories on perception, these remain mostly ...

journal_title：Journal of cognitive neuroscience

authors： Cravo AM,Rohenkohl G,Santos KM,Nobre AC

更新日期：2017-12-01 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：:Maturation of basal ganglia (BG) and frontoparietal circuitry parallels developmental gains in working memory (WM). Neurobiological models posit that adult WM performance is enhanced by communication between reward-sensitive BG and frontoparietal regions, via increased stability in the maintenance of goal-relevant neu...

journal_title：Journal of cognitive neuroscience

authors： Hubbard NA,Romeo RR,Grotzinger H,Giebler M,Imhof A,Bauer CCC,Gabrieli JDE

更新日期：2020-08-01 00:00:00