Search Results - "Mattar, Marcelo G."

Prioritized memory access explains planning and hippocampal replay by Mattar, Marcelo G., Daw, Nathaniel D.

“…To make decisions, animals must evaluate candidate choices by accessing memories of relevant experiences. Yet little is known about which experiences are…”
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A Network Neuroscience of Human Learning: Potential to Inform Quantitative Theories of Brain and Behavior by Bassett, Danielle S, Mattar, Marcelo G

“…Humans adapt their behavior to their external environment in a process often facilitated by learning. Efforts to describe learning empirically can be…”
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A Functional Cartography of Cognitive Systems by Mattar, Marcelo G, Cole, Michael W, Thompson-Schill, Sharon L, Bassett, Danielle S

“…One of the most remarkable features of the human brain is its ability to adapt rapidly and efficiently to external task demands. Novel and non-routine tasks,…”
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The energy landscape underpinning module dynamics in the human brain connectome by Ashourvan, Arian, Gu, Shi, Mattar, Marcelo G., Vettel, Jean M., Bassett, Danielle S.

“…Human brain dynamics can be viewed through the lens of statistical mechanics, where neurophysiological activity evolves around and between local attractors…”
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Predicting future learning from baseline network architecture by Mattar, Marcelo G., Wymbs, Nicholas F., Bock, Andrew S., Aguirre, Geoffrey K., Grafton, Scott T., Bassett, Danielle S.

“…Human behavior and cognition result from a complex pattern of interactions between brain regions. The flexible reconfiguration of these patterns enables…”
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Brain state flexibility accompanies motor-skill acquisition by Reddy, Pranav G., Mattar, Marcelo G., Murphy, Andrew C., Wymbs, Nicholas F., Grafton, Scott T., Satterthwaite, Theodore D., Bassett, Danielle S.

“…Learning requires the traversal of inherently distinct cognitive states to produce behavioral adaptation. Yet, tools to explicitly measure these states with…”
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Varying Timescales of Stimulus Integration Unite Neural Adaptation and Prototype Formation by Mattar, Marcelo G., Kahn, David A., Thompson-Schill, Sharon L., Aguirre, Geoffrey K.

“…Human visual perception is both stable and adaptive. Perception of complex objects, such as faces, is shaped by the long-term average of experience as well as…”
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Fast rule switching and slow rule updating in a perceptual categorization task by Bouchacourt, Flora, Tafazoli, Sina, Mattar, Marcelo G, Buschman, Timothy J, Daw, Nathaniel D

“…To adapt to a changing world, we must be able to switch between rules already learned and, at other times, learn rules anew. Often we must do both at the same…”
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Reward prediction error does not explain movement selectivity in DMS-projecting dopamine neurons by Lee, Rachel S, Mattar, Marcelo G, Parker, Nathan F, Witten, Ilana B, Daw, Nathaniel D

“…Although midbrain dopamine (DA) neurons have been thought to primarily encode reward prediction error (RPE), recent studies have also found movement-related…”
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Adaptation decorrelates shape representations by Mattar, Marcelo G., Olkkonen, Maria, Epstein, Russell A., Aguirre, Geoffrey K.

“…Perception and neural responses are modulated by sensory history. Visual adaptation, an example of such an effect, has been hypothesized to improve stimulus…”
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Planning in the brain by Mattar, Marcelo G., Lengyel, Máté

“…Recent breakthroughs in artificial intelligence (AI) have enabled machines to plan in tasks previously thought to be uniquely human. Meanwhile, the planning…”
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Structural Pathways Supporting Swift Acquisition of New Visuomotor Skills by Kahn, Ari E, Mattar, Marcelo G, Vettel, Jean M, Wymbs, Nicholas F, Grafton, Scott T, Bassett, Danielle S

“…Human skill learning requires fine-scale coordination of distributed networks of brain regions linked by white matter tracts to allow for effective information…”
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A recurrent network model of planning explains hippocampal replay and human behavior by Jensen, Kristopher T., Hennequin, Guillaume, Mattar, Marcelo G.

“…When faced with a novel situation, people often spend substantial periods of time contemplating possible futures. For such planning to be rational, the…”
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The Temporal Dynamics of Opportunity Costs: A Normative Account of Cognitive Fatigue and Boredom by Agrawal, Mayank, Mattar, Marcelo G., Cohen, Jonathan D., Daw, Nathaniel D.

“…Cognitive fatigue and boredom are two phenomenological states that reflect overt task disengagement. In this article, we present a rational analysis of the…”
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Functional Network Dynamics of the Language System by Chai, Lucy R, Mattar, Marcelo G, Blank, Idan Asher, Fedorenko, Evelina, Bassett, Danielle S

“…During linguistic processing, a set of brain regions on the lateral surfaces of the left frontal, temporal, and parietal cortices exhibit robust responses…”
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Experience replay is associated with efficient nonlocal learning by Liu, Yunzhe, Mattar, Marcelo G, Behrens, Timothy E J, Daw, Nathaniel D, Dolan, Raymond J

“…To make effective decisions, people need to consider the relationship between actions and outcomes. These are often separated by time and space. The neural…”
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Optimal trajectories of brain state transitions by Gu, Shi, Betzel, Richard F., Mattar, Marcelo G., Cieslak, Matthew, Delio, Philip R., Grafton, Scott T., Pasqualetti, Fabio, Bassett, Danielle S.

“…The complexity of neural dynamics stems in part from the complexity of the underlying anatomy. Yet how white matter structure constrains how the brain…”
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Resting state network dynamic reconfiguration and neuropsychological functioning in temporal lobe epilepsy: An HD-EEG investigation by Duma, Gian Marco, Danieli, Alberto, Mattar, Marcelo G., Baggio, Martina, Vettorel, Airis, Bonanni, Paolo, Mento, Giovanni

“…Temporal lobe epilepsy (TLE) is nowadays considered a network disorder impacting several cognitive domains. In this work we investigated dynamic network…”
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Patterns of Neural Oscillations in Emotional Memory Discrimination by Mattar, Marcelo G., Talmi, Deborah

“…An exciting experiment by Zheng et al. (2019) in this issue of Neuron identifies neural signatures of successful and unsuccessful emotional memory…”
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Beyond modularity: Fine-scale mechanisms and rules for brain network reconfiguration by Khambhati, Ankit N., Mattar, Marcelo G., Wymbs, Nicholas F., Grafton, Scott T., Bassett, Danielle S.

“…The human brain is in constant flux, as distinct areas engage in transient communication to support basic behaviors as well as complex cognition. The…”
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