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Processing of hierarchical syntactic structure in music

Hierarchical structure with nested nonlocal dependencies is a key feature of human language and can be identified theoretically in most pieces of tonal music.
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Ketamine alters brain waves coupling

Network interactions that underlie cognitively relevant oscillatory coupling in the hippocampus are altered upon NMDA receptor blockade by ketamine, a pharmacological model of schizophrenia.
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Synchronization through nonreciprocal connections in a hybrid hippocampus microcircuit.

Synchronization among neurons is thought to arise from the interplay between excitation and inhibition; however, the connectivity rules that contribute to synchronization are still unknown.
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Adult neural stem cells: plastic or restricted neuronal fates?

"Adult brain maintains plastic neural stem cells that are capable of responding to changes in environmental cues and generating diverse neuronal types"
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Reactive Glia in the Injured Brain Acquire Stem Cell Properties in Response to Sonic Hedgehog.

"Astrocytes (green) isolated from the cerebral cortex following traumatic injury are capable of generating neurons (red). Article published in the journal "Cell Stem Cells" describes the molecule involved in this remarkable plasticity of astrocytes after lesion"
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Sandro José de Souza: O meu genoma

Veja o artigo de autoria do neurocientista e professor do ICe, Sandro José de Souza, publicado neste domingo, 24 de março de 2013, na Folha de São Paulo, onde ele aborda a necessidade de uma legislação específica sobre discriminação genética.
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NMDA receptor blockade impairs the muscarinic conversion of sub-threshold transient depression into long-lasting LTD in the hippocampus-prefrontal cortex pathway in vivo.

Cholinergic fibers from the brainstem and basal forebrain innervate the medial prefrontal cortex (mPFC) modulating neuronal activity and synaptic plasticity responses to hippocampal inputs.
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OLM interneurons differentially modulate CA3 and entorhinal inputs to hippocampal CA1 neurons

The vast diversity of GABAergic interneurons is believed to endow hippocampal microcircuits with the required flexibility for memory encoding and retrieval. However, dissection of the functional roles of defined interneuron types has been hampered by the lack of cell-specific tools. We identified a precise molecular marker for a population of hippocampal GABAergic interneurons known as oriens lacunosum-moleculare (OLM) cells.
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Speech Graphs Provide a Quantitative Measure of Thought Disorder in Psychosis

Psychosis has various causes, including mania and schizophrenia. Since the differential diagnosis of psychosis is exclusively based on subjective assessments of oral interviews with patients, an objective quantification of the speech disturbances that characterize mania and schizophrenia is in order. In principle, such quantification could be achieved by the analysis of speech graphs. A graph represents a network with nodes connected by edges; in speech graphs, nodes correspond to words and edges correspond to semantic and grammatical relationships.
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Gamma responses correlate with temporal expectation in monkey primary visual cortex

Attending to an event in time leads to gamma increase and alpha suppression in V1. Anticipatory effects on gamma and alpha are global in V1.
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Adult neural stem cells (NSCs) give rise to neurons of distinct subtype specificity

This work describes an adherent culture preparation, which allows for continuous single-cell tracking of NSC behavior.
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Multiple phase-amplitude couplings in the hippocampus

The phase of the hippocampal theta rhythm modulates the amplitude of multiple layer-specific oscillations in CA1.
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