نتایج جستجو برای: event related potentials

تعداد نتایج: 1413050  

Journal: :Psychonomic bulletin & review 2007
Haune E Schendan Malra Kutas

Transfer appropriate processing (TAP) accounts propose that memory is a function of the degree to which the same neural processes transfer appropriately from the study experience to the memory test. However, in prior research, study and test stimuli were often similar physically. In two experiments, event-related brain potentials (ERPs) were recorded to fragmented objects during an indirect mem...

Journal: :News in physiological sciences : an international journal of physiology produced jointly by the International Union of Physiological Sciences and the American Physiological Society 2002
Boris Kotchoubey Simone Lang Vladimir Bostanov Niels Birbaumer

Event related brain potentials (ERPs) provide information about cortical processing in severe neurological patients whose cognitive abilities cannot be expressed in their behavior. In coma, ERPs contribute to the prediction of the outcome. In a vegetative state, ERPs uncover the functional state of cortical processes. The significance of ERPs in the neurophysiological study of consciousness is ...

Journal: :Brain research. Cognitive brain research 2002
Anja Hahne Angela D Friederici

Two experiments investigated the time-course of semantic and syntactic processes in auditory language comprehension as well as their possible functional dependencies, using event-related brain potentials (ERPs). Participants listened to sentences which were either correct, semantically incorrect, syntactically incorrect, or both semantically and syntactically incorrect. In experiment 1, partici...

Journal: :Memory & cognition 2000
J Kounios S A Kotz P J Holcomb

The present study sought to determine whether semantic satiation is merely a by-product of adaptation or satiation of upstream, nonsemantic perceptual processes or whether the effect can have a locus in semantic memory. This was done by measuring event-related brain potentials (ERPs) in a semantic word-detection task involving multiple presentations of primes and critical related and unrelated ...

Journal: :Brain research. Cognitive brain research 2003
María Ruz Eduardo Madrid Juan Lupiáñez Pío Tudela

The existence of differential brain mechanisms of conscious and unconscious processing is a matter of debate nowadays. The present experiment explores whether conscious and unconscious semantic priming in a lexical decision task at a long prime-target stimulus onset asynchrony (SOA) correlate with overlapping or different event related potential (ERP) effects. Results show that the N400 effect,...

Journal: :Frontiers in Human Neuroscience 2008
Chris Rorden Chiara Guerrini Rachel Swainson Marco Lazzeri Gordon C. Baylis

Lavie (1995) have suggested that perceptual processing is influenced by perceptual load. Specifically, relevant information receives additional processing in high load situations exhausting the available capacity. On the other hand, irrelevant information receives less processing with increasing load on a relevant task, as there is a reduced amount of residual processing available. Rees et al. ...

Journal: :Neuroreport 2011
Roozbeh Rezaie Panagiotis G Simos Andrew C Papanicolaou Eduardo M Castillo Dana C Moser Antony D Passaro Jack M Fletcher

The neural origins of the cortical response to rare sensory events remain poorly understood. Using simultaneous event-related potentials and magnetic resonance imaging, we investigated the anatomical profile of regional activity at various processing stages during performance of auditory and visual variants of an oddball paradigm. The earliest rarity-detection response was found in sensory-spec...

2011
Benoît Montalan Alexis Boitout Mathieu Veujoz Arnaud Leleu Raymonde Germain Bernard Personnaz Robert Lalonde Mohamed Rebaï

Research has demonstrated that people readily pay more attention to negative than to positive and/or neutral stimuli. However, evidence from recent studies indicated that such an attention bias to negative information is not obligatory but sensitive to various factors. Two experiments using intergroup evaluative tasks (Study 1: a gender-related groups evaluative task and Study 2: a minimal-rela...

2015
Florian Lange Caroline Seer Dorothea Müller Bruno Kopp

Time-consuming processes of task-set reconfiguration have been shown to contribute to the costs of switching between cognitive tasks. We describe and probe a novel mechanism serving to reduce the costs of task-set reconfiguration. We propose that when individuals are uncertain about the currently valid task, one task set is activated for execution while other task sets are maintained at a pre-a...

Journal: :Psychonomic bulletin & review 2003
Tim Curran William J Friedman

Memory for the time of events may benefit from reconstructive, location-based, and distance-based processes, but these processes are difficult to dissociate with behavioral methods. Neuropsychological research has emphasized the contribution of prefrontal brain mechanisms to memory for time but has not clearly differentiated location- from distance-based processing. The present experiment recor...

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