Search Results - "SIGMAN, Mariano"

Effects of lockdown on human sleep and chronotype during the COVID-19 pandemic by Leone, María Juliana, Sigman, Mariano, Golombek, Diego Andrés

“…The COVID-19 pandemic [1] resulted in many countries imposing a lockdown, which in turn reduces sunlight exposure and alters daily social schedules. Since…”
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Confidence as Bayesian Probability: From Neural Origins to Behavior by Meyniel, Florent, Sigman, Mariano, Mainen, Zachary F.

“…Research on confidence spreads across several sub-fields of psychology and neuroscience. Here, we explore how a definition of confidence as Bayesian…”
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Brain States: Top-Down Influences in Sensory Processing by Gilbert, Charles D., Sigman, Mariano

“…All cortical and thalamic levels of sensory processing are subject to powerful top-down influences, the shaping of lower-level processes by more complex…”
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Statistical inference of body representation in the macaque brain by Fang, Wen, Li, Junru, Qi, Guangyao, Li, Shenghao, Sigman, Mariano, Wang, Liping

“…The sense of one’s own body is a pillar of self-consciousness and could be investigated by inducing human illusions of artificial objects as part of the self…”
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Brain Mechanisms of Serial and Parallel Processing during Dual-Task Performance by Sigman, Mariano, Dehaene, Stanislas

“…The psychological refractory period (PRP) refers to the fact that humans typically cannot perform two tasks at once. Behavioral experiments have led to the…”
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Individual consistency in the accuracy and distribution of confidence judgments by Ais, Joaquín, Zylberberg, Ariel, Barttfeld, Pablo, Sigman, Mariano

“…•Confidence distributions are very similar for tasks that have similar structure.•On the same task, confidence distributions are virtually identical across…”
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Signature of consciousness in the dynamics of resting-state brain activity by Barttfeld, Pablo, Uhrig, Lynn, Sitt, Jacobo D., Sigman, Mariano, Jarraya, Béchir, Dehaene, Stanislas

“…At rest, the brain is traversed by spontaneous functional connectivity patterns. Two hypotheses have been proposed for their origins: they may reflect a…”
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Large scale screening of neural signatures of consciousness in patients in a vegetative or minimally conscious state by SITT, Jacobo Diego, KING, Jean-Remi, IMEN EL KAROUI, ROHAUT, Benjamin, FAUGERAS, Frederic, GRAMFORT, Alexandre, COHEN, Laurent, SIGMAN, Mariano, DEHAENE, Stanislas, NACCACHE, Lionel

“…In recent years, numerous electrophysiological signatures of consciousness have been proposed. Here, we perform a systematic analysis of these…”
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Convergence of interoception, emotion, and social cognition: A twofold fMRI meta-analysis and lesion approach by Adolfi, Federico, Couto, Blas, Richter, Fabian, Decety, Jean, Lopez, Jessica, Sigman, Mariano, Manes, Facundo, Ibáñez, Agustín

“…Guided by indirect evidence, recent approaches propose a tripartite crosstalk among interoceptive signaling, emotional regulation, and low-level social…”
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small world of weak ties provides optimal global integration of self-similar modules in functional brain networks by Gallos, Lazaros K, Makse, Hernán A, Sigman, Mariano

“…The human brain is organized in functional modules. Such an organization presents a basic conundrum: Modules ought to be sufficiently independent to guarantee…”
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Aggregated knowledge from a small number of debates outperforms the wisdom of large crowds by Navajas, Joaquin, Niella, Tamara, Garbulsky, Gerry, Bahrami, Bahador, Sigman, Mariano

“…The aggregation of many independent estimates can outperform the most accurate individual judgement 1 – 3 . This centenarian finding 1 , 2 , popularly known as…”
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Chronotype at the beginning of secondary school and school timing are both associated with chronotype development during adolescence by Rodríguez Ferrante, Guadalupe, Goldin, Andrea Paula, Sigman, Mariano, Leone, María Juliana

“…The misalignment between late chronotypes and early school start times affect health, performance and psychological well-being of adolescents. Here we test…”
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A big-world network in ASD: Dynamical connectivity analysis reflects a deficit in long-range connections and an excess of short-range connections by Barttfeld, Pablo, Wicker, Bruno, Cukier, Sebastián, Navarta, Silvana, Lew, Sergio, Sigman, Mariano

“…▶ Connectivity of EEG delta band is different in ASD and control subjects. ▶ ASD subjects showed diminished long-range connections, and enhanced short-range…”
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Hierarchical Coding of Letter Strings in the Ventral Stream: Dissecting the Inner Organization of the Visual Word-Form System by Vinckier, Fabien, Dehaene, Stanislas, Jobert, Antoinette, Dubus, Jean Philippe, Sigman, Mariano, Cohen, Laurent

“…Visual word recognition has been proposed to rely on a hierarchy of increasingly complex neuronal detectors, from individual letters to bigrams and morphemes…”
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The language of geometry: Fast comprehension of geometrical primitives and rules in human adults and preschoolers by Amalric, Marie, Wang, Liping, Pica, Pierre, Figueira, Santiago, Sigman, Mariano, Dehaene, Stanislas

“…During language processing, humans form complex embedded representations from sequential inputs. Here, we ask whether a "geometrical language" with recursive…”
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Dynamics of the central bottleneck: dual-task and task uncertainty by Sigman, Mariano, Dehaene, Stanislas

“…Why is the human brain fundamentally limited when attempting to execute two tasks at the same time or in close succession? Two classical paradigms,…”
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Avoiding catastrophic failure in correlated networks of networks by Reis, Saulo D. S., Hu, Yanqing, Babino, Andrés, Andrade Jr, José S., Canals, Santiago, Sigman, Mariano, Makse, Hernán A.

“…Connecting complex networks is known to exacerbate perturbations and lead to cascading failures, but natural networks of networks are surprisingly stable. A…”
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The construction of confidence in a perceptual decision by Zylberberg, Ariel, Barttfeld, Pablo, Sigman, Mariano

“…Decision-making involves the selection of one out of many possible courses of action. A decision may bear on other decisions, as when humans seek a second…”
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Variance misperception explains illusions of confidence in simple perceptual decisions by Zylberberg, Ariel, Roelfsema, Pieter R., Sigman, Mariano

“…•Confidence must depend on the strength and the reliability of the evidence.•Human observers ignore the reliability of evidence in a perceptual…”
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Looking for a face in the crowd: Fixation-related potentials in an eye-movement visual search task by Kaunitz, Lisandro N., Kamienkowski, Juan E., Varatharajah, Alexander, Sigman, Mariano, Quiroga, Rodrigo Quian, Ison, Matias J.

“…Despite the compelling contribution of the study of event related potentials (ERPs) and eye movements to cognitive neuroscience, these two approaches have…”
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