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Lavigne, Frederic; Dumercy, Laurent; Darmon, Nelly – Journal of Cognitive Neuroscience, 2011
Recall and language comprehension while processing sequences of words involves multiple semantic priming between several related and/or unrelated words. Accounting for multiple and interacting priming effects in terms of underlying neuronal structure and dynamics is a challenge for current models of semantic priming. Further elaboration of current…
Descriptors: Priming, Comprehension, Stimuli, Semantics
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Aristei, Sabrina; Melinger, Alissa; Abdel Rahman, Rasha – Journal of Cognitive Neuroscience, 2011
In this study, we investigated semantic context effects in language production with event-related brain potentials, extracted from the ongoing EEG recorded during overt speech production. We combined the picture-word interference paradigm and the semantic blocking paradigm to investigate the temporal dynamics and functional loci of semantic…
Descriptors: Speech, Models, Semantics, Brain Hemisphere Functions
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Cabeza, Roberto; Mazuz, Yonatan S.; Stokes, Jared; Kragel, James E.; Woldorff, Marty G.; Ciaramelli, Elisa; Olson, Ingrid R.; Moscovitch, Morris – Journal of Cognitive Neuroscience, 2011
The specific role of different parietal regions to episodic retrieval is a topic of intense debate. According to the Attention to Memory (AtoM) model, dorsal parietal cortex (DPC) mediates top-down attention processes guided by retrieval goals, whereas ventral parietal cortex (VPC) mediates bottom-up attention processes captured by the retrieval…
Descriptors: Evidence, Memory, Brain Hemisphere Functions, Perception
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Loui, Psyche; Li, H. Charles; Hohmann, Anja; Schlaug, Gottfried – Journal of Cognitive Neuroscience, 2011
Connectivity in the human brain has received increased scientific interest in recent years. Although connection disorders can affect perception, production, learning, and memory, few studies have associated brain connectivity with graded variations in human behavior, especially among normal individuals. One group of normal individuals who possess…
Descriptors: Music, Musicians, Brain, Neuropsychology
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Moustafa, Ahmed A.; Gluck, Mark A. – Journal of Cognitive Neuroscience, 2011
Most existing models of dopamine and learning in Parkinson disease (PD) focus on simulating the role of basal ganglia dopamine in reinforcement learning. Much data argue, however, for a critical role for prefrontal cortex (PFC) dopamine in stimulus selection in attentional learning. Here, we present a new computational model that simulates…
Descriptors: Neurology, Patients, Reinforcement, Cognitive Development
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Chatham, Christopher H.; Herd, Seth A.; Brant, Angela M.; Hazy, Thomas E.; Miyake, Akira; O'Reilly, Randy; Friedman, Naomi P. – Journal of Cognitive Neuroscience, 2011
A paradigmatic test of executive control, the n-back task, is known to recruit a widely distributed parietal, frontal, and striatal "executive network," and is thought to require an equally wide array of executive functions. The mapping of functions onto substrates in such a complex task presents a significant challenge to any theoretical…
Descriptors: Short Term Memory, Cognitive Processes, Task Analysis, Brain Hemisphere Functions
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Cowell, Rosemary A.; Bussey, Timothy J.; Saksida, Lisa M. – Journal of Cognitive Neuroscience, 2010
We examined the organization and function of the ventral object processing pathway. The prevailing theoretical approach in this field holds that the ventral object processing stream has a modular organization, in which visual perception is carried out in posterior regions and visual memory is carried out, independently, in the anterior temporal…
Descriptors: Brain Hemisphere Functions, Cognitive Processes, Neurological Organization, Visual Perception
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Vossel, Simone; Weidner, Ralph; Thiel, Christiane M.; Fink, Gereon R. – Journal of Cognitive Neuroscience, 2009
Within the parietal cortex, the temporo-parietal junction (TPJ) and the intraparietal sulcus (IPS) seem to be involved in both spatial and nonspatial functions: Both areas are activated when misleading information is provided by invalid spatial cues in Posner's location-cueing paradigm, but also when infrequent deviant stimuli are presented within…
Descriptors: Cues, Models, Brain Hemisphere Functions, Spatial Ability