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919 Newest Publications in proceedings of the national academy of sciences current issue

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Entrained neural oscillations in multiple frequency bands comodulate behavior [Neuroscience]

14-10-2014 | Molly J. Henry; Björn Herrmann; Jonas Obleser, Proceedings of the National Academy of Sciences current issue, 2014

Our sensory environment is teeming with complex rhythmic structure, to which neural oscillations can become synchronized. Neural synchronization to environmental rhythms (entrainment) is hypothesized to shape human perception, as rhythmic structure acts to temporally organize cortical ...

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Proteopathic tau seeding predicts tauopathy in vivo [Neuroscience]

14-10-2014 | Brandon B. Holmes; Jennifer L. Furman; Thomas E. Mahan; Tritia R. Yamasaki; Hilda Mirbaha; William C. Eades; Larisa ..., Proceedings of the National Academy of Sciences current issue, 2014

Transcellular propagation of protein aggregates, or proteopathic seeds, may drive the progression of neurodegenerative diseases in a prion-like manner. In tauopathies such as Alzheimer’s disease, this model predicts that tau seeds propagate pathology through the brain via cell–cell transfer in ...

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The hereditary spastic paraplegia-related enzyme DDHD2 is a principal brain triglyceride lipase [Neuroscience]

14-10-2014 | Jordon M. Inloes; Ku-Lung Hsu; Melissa M. Dix; Andreu Viader; Kim Masuda; Thais Takei; Malcolm R. Wood; Benjamin F. ..., Proceedings of the National Academy of Sciences current issue, 2014

Complex hereditary spastic paraplegia (HSP) is a genetic disorder that causes lower limb spasticity and weakness and intellectual disability. Deleterious mutations in the poorly characterized serine hydrolase DDHD2 are a causative basis for recessive complex HSP. DDHD2 exhibits phospholipase ...

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Stephen F. Heinemann: A true original [Retrospectives]

07-10-2014 | Greg Lemke; David Julius, Proceedings of the National Academy of Sciences current issue, 2014

Steve Heinemann, one of the founders of 21st century neuroscience, died on August 6, 2014. To those who had the honor to know him, “Stevie” was a man of personal and professional generosity, contagious energy, scientific integrity, and genuine enthusiasm. His death is a profound loss for all. ...

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Distinct frequencies mark the direction of cortical communication [Neuroscience]

07-10-2014 | Nathaniel J. Killian; Elizabeth A. Buffalo, Proceedings of the National Academy of Sciences current issue, 2014

The capacity of the nervous system to perceive sensory information, form new memories, navigate through space, and make decisions relies on complex communication within and between brain areas. Anatomical studies have identified the routes by which information flows within the six layers of the ...

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Object and spatial mnemonic interference differentially engage lateral and medial entorhinal cortex in humans [Neuroscience]

07-10-2014 | Zachariah M. Reagh; Michael A. Yassa, Proceedings of the National Academy of Sciences current issue, 2014

Recent models of episodic memory propose a division of labor among medial temporal lobe cortices comprising the parahippocampal gyrus. Specifically, perirhinal and lateral entorhinal cortices are thought to comprise an object/item information pathway, whereas parahippocampal and medial entorhinal ...

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Unique semantic space in the brain of each beholder predicts perceived similarity [Neuroscience]

07-10-2014 | Ian Charest; Rogier A. Kievit; Taylor W. Schmitz; Diana Deca; Nikolaus Kriegeskorte, Proceedings of the National Academy of Sciences current issue, 2014

The unique way in which each of us perceives the world must arise from our brain representations. If brain imaging could reveal an individual’s unique mental representation, it could help us understand the biological substrate of our individual experiential worlds in mental health and disease. ...

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Alpha and gamma oscillations characterize feedback and feedforward processing in monkey visual cortex [Neuroscience]

07-10-2014 | Timo van Kerkoerle; Matthew W. Self; Bruno Dagnino; Marie-Alice Gariel-Mathis; Jasper Poort; Chris van der Togt; Pie ..., Proceedings of the National Academy of Sciences current issue, 2014

Cognitive functions rely on the coordinated activity of neurons in many brain regions, but the interactions between cortical areas are not yet well understood. Here we investigated whether low-frequency (α) and high-frequency (γ) oscillations characterize different directions of information flow ...

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C-terminal domain small phosphatase 1 and MAP kinase reciprocally control REST stability and neuronal differentiation [Neuroscience]

16-09-2014 | Edmund Nesti; Glen M. Corson; Maxwell McCleskey; Jon A. Oyer; Gail Mandel, Proceedings of the National Academy of Sciences current issue, 2014

The repressor element 1 (RE1) silencing transcription factor (REST) in stem cells represses hundreds of genes essential to neuronal function. During neurogenesis, REST is degraded in neural progenitors to promote subsequent elaboration of a mature neuronal phenotype. Prior studies indicate that ...

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Optogenetic activation of septal cholinergic neurons suppresses sharp wave ripples and enhances theta oscillations in the hippocampus [Neuroscience]

16-09-2014 | Marie Vandecasteele; Viktor Varga; Antal Berényi; Edit Papp; Péter Barthó; Laurent Venance; Tamás F. Freund; György ..., Proceedings of the National Academy of Sciences current issue, 2014

Theta oscillations in the limbic system depend on the integrity of the medial septum. The different populations of medial septal neurons (cholinergic and GABAergic) are assumed to affect different aspects of theta oscillations. Using optogenetic stimulation of cholinergic neurons in ChAT-Cre ...

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