Neural systems for behavioral activation and reward.

abstract：:Fear and anxiety are debilitating conditions that affect a significant number of individuals in their lifetimes. Understanding underlying mechanisms of these disorders affords us the possibility of therapeutic intervention. Such clarity in terms of mechanism and intervention can only come from an amalgamation of resea...

journal_title：Current opinion in neurobiology

authors： Dias BG,Banerjee SB,Goodman JV,Ressler KJ

更新日期：2013-06-01 00:00:00

abstract：:Synapses are specialized sites of cell contact that mediate information flow between neurons and their targets. Genetic screens in the nematode C. elegans have led to the discovery of a number of molecules required for synapse patterning and assembly. Recent studies have demonstrated the importance of guidepost cells ...

journal_title：Current opinion in neurobiology

authors： Margeta MA,Shen K,Grill B

更新日期：2008-02-01 00:00:00

abstract：:The polarity of neurotransmission mediated by the gamma-amino butyric acid (GABA) type A receptor depends crucially on intracellular chloride concentration, which is largely determined by the expression and function of cation/chloride co-transporters. Recent evidence shows how both activity and neurotrophic factors ca...

journal_title：Current opinion in neurobiology

authors： Fiumelli H,Woodin MA

更新日期：2007-02-01 00:00:00

abstract：:The idea that visual signals relayed by the parvocellular and magnocellular subdivisions of the lateral geniculate nucleus remain segregated in the cerebral cortex has attracted considerable attention. It has been proposed that parvocellular contributions dominate in the temporal visual cortex, and that magnocellular ...

journal_title：Current opinion in neurobiology

authors： Maunsell JH

更新日期：1992-08-01 00:00:00

abstract：:It is becoming evident that neurons express an unusual number of molecules that were originally thought to be specific to immune functions. One such molecule, class I major histocompatibility complex, is required in the activity-dependent refinement and plasticity of connections in the developing and adult central ner...

journal_title：Current opinion in neurobiology

authors： Boulanger LM,Huh GS,Shatz CJ

更新日期：2001-10-01 00:00:00

abstract：:Here I review the diversity of GABAergic neurons in the rodent basolateral amygdala (BLA). In spite of the recent identification of the role played by certain neurons of BLA in learning and memory of fear, the diversity of GABAergic neurons has not been fully explored. I describe analogies and differences between GABA...

journal_title：Current opinion in neurobiology

authors： Capogna M

更新日期：2014-06-01 00:00:00

abstract：:MicroRNAs (miRNAs) are a recently discovered, extensive class of small noncoding RNAs that act as post-transcriptional regulators of gene expression. miRNAs have been implicated in most aspects of animal development and in pathological processes such as cancer. In neurons, miRNAs are expressed at all stages of develop...

journal_title：Current opinion in neurobiology

authors： Schratt G

更新日期：2009-04-01 00:00:00

abstract：:Neuroscience research has become increasingly reliant upon quantitative and computational data analysis and modeling techniques. However, the vast majority of neuroscientists are still trained within the traditional biology curriculum, in which computational and quantitative approaches beyond elementary statistics may...

journal_title：Current opinion in neurobiology

authors： Goldman MS,Fee MS

更新日期：2017-10-01 00:00:00

abstract：:The PTEN tumor suppressor gene is a lipid phosphatase that negatively regulates cell survival mediated by the phosphatidyl inositol 3' kinase-protein kinase B/Akt signaling pathway. Recent in vivo studies have revealed a novel role for PTEN in the size control of neurons. Dysregulation of cell growth control by PTEN i...

journal_title：Current opinion in neurobiology

authors： Backman S,Stambolic V,Mak T

更新日期：2002-10-01 00:00:00

abstract：:Recent advances in neural and behavioural pharmacology, and in intracellular recording suggest that arousal during the awake state may be regulated by multiple, interdependent neurotransmitter systems that originate in the brainstem or hypothalamus, and project to subcortical and cortical sites. We discuss efforts to ...

journal_title：Current opinion in neurobiology

authors： Marrocco RT,Witte EA,Davidson MC

更新日期：1994-04-01 00:00:00

abstract：:Endogenous nitric oxide (NO) mediates certain aspects of synaptic plasticity and neurotoxicity associated with NMDA-type glutamate receptors. Neuronal NO synthase contains a modular protein-protein interaction motif, termed the PDZ domain, that links the synthase to a synaptic protein complex containing postsynaptic d...

journal_title：Current opinion in neurobiology

authors： Brenman JE,Bredt DS

更新日期：1997-06-01 00:00:00

abstract：:For most neurons to function properly, they need to develop synaptic specificity. This requires finding specific partner neurons, building the correct types of synapses, and fine-tuning these synapses in response to neural activity. Synaptic specificity is common at both a neuron's input and output synapses, whereby u...

journal_title：Current opinion in neurobiology

authors： Rawson RL,Martin EA,Williams ME

更新日期：2017-08-01 00:00:00

abstract：:Despite their differences, human language and the vocal communication of nonhuman primates share many features. Both constitute a form of joint action, rely on similar neural mechanisms, and involve discrete, combinatorial cognition. These shared features suggest that during evolution the ancestors of modern primates ...

journal_title：Current opinion in neurobiology

authors： Seyfarth RM,Cheney DL

更新日期：2014-10-01 00:00:00

abstract：:Cyclic AMP response element binding protein (CREB)-responsive transcription plays a central role in the formation of long-term memory in Drosophila, Aplysia and mice. Agents that disrupt the activity of CREB specifically block the formation of long-term memory, whereas agents that increase the amount or activity of th...

journal_title：Current opinion in neurobiology

authors： Yin JC,Tully T

更新日期：1996-04-01 00:00:00

abstract：:Precise formation of neuronal circuits requires the coordinated development of the different components of the circuit. Here, we review examples of coordination at multiples scales of development in one of the best-studied systems for neural patterning and circuit assembly, the Drosophila visual system, from coordinat...

journal_title：Current opinion in neurobiology

authors： Courgeon M,Desplan C

更新日期：2019-06-01 00:00:00

abstract：:In many regions of the brain, information is represented by patterns of activity occurring over populations of neurons. Understanding the encoding of information in neural population activity is important both for grasping the fundamental computations underlying brain function, and for interpreting signals that may be...

journal_title：Current opinion in neurobiology

authors： Sanger TD

更新日期：2003-04-01 00:00:00

abstract：:Sexual communication can evolve in response to sexual selection, and it can also cause behavioral reproductive isolation between populations and thus drive speciation. Anurans are an excellent system to investigate these links between behavior and evolution because we have detailed knowledge of how neural mechanisms g...

journal_title：Current opinion in neurobiology

authors： Ryan MJ,Guerra MA

更新日期：2014-10-01 00:00:00

abstract：:Neuroscientists spent decades debating whether synaptic plasticity was presynaptically or postsynaptically expressed. It was eventually concluded that plasticity depends on many factors, including cell type. More recently, it has become increasingly clear that plasticity is regulated at an even finer grained level; it...

journal_title：Current opinion in neurobiology

authors： Larsen RS,Sjöström PJ

更新日期：2015-12-01 00:00:00

abstract：:GABAergic interneurons in the hippocampus coordinate neuronal activity that gives rise to network oscillations. In this article we present advances in our understanding of how different classes of hippocampal interneurons contribute to distinct hippocampal network oscillations. We focus on two main experimental approa...

journal_title：Current opinion in neurobiology

authors： Allen K,Monyer H

更新日期：2015-04-01 00:00:00

abstract：:The analysis of complex human diseases has been spurred by the number of published genomic sequence variants - many identified in the course of sequencing the human genome. But, to be useful for genetic analysis, variants have to be mapped accurately, their frequencies in various populations determined, and automated ...

journal_title：Current opinion in neurobiology

authors： Nowotny P,Kwon JM,Goate AM

更新日期：2001-10-01 00:00:00

abstract：:Extracting the structure of complex environments is at the core of our ability to interpret the present and predict the future. This skill is important for a range of behaviours from navigating a new city to learning music and language. Classical approaches that investigate our ability to extract the principles of org...

journal_title：Current opinion in neurobiology

authors： Kourtzi Z,Welchman AE

更新日期：2019-10-01 00:00:00

abstract：:Coupled oscillations are hypothesized to organize the processing of information across distributed brain circuits. This idea is supported by recent evidence, and newly developed techniques promise to put such theoretical framework to mechanistic testing. We review evidence suggesting that individual oscillatory cycles...

journal_title：Current opinion in neurobiology

authors： Wilson MA,Varela C,Remondes M

更新日期：2015-04-01 00:00:00

abstract：:The recent cloning of the gamma-aminobutyric acid and norepinephrine Na(+)-dependent neurotransmitter transporters has led to new approaches for understanding the structure and function of these important synaptic proteins and provides a conceptual model in which to consider recent advances in the physiology, pharmaco...

journal_title：Current opinion in neurobiology

authors： Amara SG,Pacholczyk T

更新日期：1991-06-01 00:00:00

abstract：:Neuroeconomics is an interdisciplinary field, crossing boundaries between Economics, Psychology, and Neuroscience. Its original program was to provide a test for a large number of competitive theories of decision making. It has in part realized this program, and we review the main findings here. But its results are al...

journal_title：Current opinion in neurobiology

authors： Rustichini A

更新日期：2009-12-01 00:00:00

abstract：:One of the two major endocannabinoids, 2-arachidonoylglycerol (2-AG), serves as a retrograde messenger at various types of synapses throughout the brain. Upon postsynaptic activation, 2-AG is released immediately after de novo synthesis, activates presynaptic CB1 cannabinoid receptors, and transiently suppresses neuro...

journal_title：Current opinion in neurobiology

authors： Ohno-Shosaku T,Kano M

更新日期：2014-12-01 00:00:00

abstract：:This past year has seen significant advances in our understanding of the physiology of emotion. Attention continues to focus on the amygdala and its interconnections with prefrontal cortical regions. New evidence underscores the importance of lateralization for emotion. There are also new findings on the physiological...

journal_title：Current opinion in neurobiology

authors： Davidson RJ,Sutton SK

更新日期：1995-04-01 00:00:00

abstract：:The Drosophila visual system offers an excellent opportunity for studying the development of proper retinotopic connections at the level of individual identifiable cell types. Recent work suggests that, despite obvious anatomical and developmental differences, at least some of the general developmental strategies oper...

journal_title：Current opinion in neurobiology

authors： Kunes S,Steller H

更新日期：1993-02-01 00:00:00

abstract：:Animal eyes have long served as a classical example of independent origin followed by convergence of structures onto a few different solutions. During the past decade this view has been challenged by the discovery of shared developmental regulatory genes. The Pax6 gene in particular is almost universally employed for ...

journal_title：Current opinion in neurobiology

authors： Nilsson DE

更新日期：2004-08-01 00:00:00

abstract：:Fast synaptic inhibition is largely mediated by GABA(A) receptors (GABA(A)Rs), ligand-gated chloride channels that play an essential role in the control of cell and network activity in the brain. Recent work has demonstrated that the delivery, number and stability of GABA(A)Rs at inhibitory synapses play a key role in...

journal_title：Current opinion in neurobiology

authors： Smith KR,Kittler JT

更新日期：2010-10-01 00:00:00

abstract：:Accepting, rejecting or modifying the many different theories of the cerebellum's role in the control of movement requires an understanding of the signals encoded in the discharge of cerebellar neurons and how those signals are transformed by the cerebellar circuitry. Particularly challenging is understanding the sens...

journal_title：Current opinion in neurobiology

authors： Ebner TJ

更新日期：1998-12-01 00:00:00