Patterning centers, regulatory genes and extrinsic mechanisms controlling arealization of the neocortex.

abstract：:Heterogeneity among progenitor cells in the vertebrate nervous system has been documented with increasing frequency over the past few years. It has become clear that differences in progenitor cells help to determine when and how they respond to environmental signals. More recent studies have begun to elucidate the mol...

journal_title：Current opinion in neurobiology

authors： Lillien L

更新日期：1998-02-01 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：:Cellular processes that mediate learning and memory show a remarkable level of conservation between vertebrates and invertebrates. Recent studies have shown that learning and memory formation in invertebrates, so-called 'simple systems', involves a highly complex arrangement of cellular pathways. Some pathways contrib...

journal_title：Current opinion in neurobiology

authors： Burrell BD,Sahley CL

更新日期：2001-12-01 00:00:00

abstract：:During the past few decades, we have witnessed an impressive gain in the knowledge regarding the basic mechanisms underlying human neuronal migration disorders by the usage of mouse models. Nevertheless, despite the remarkable conservation both in the genetic encoded information and the developmental processes, there ...

journal_title：Current opinion in neurobiology

authors： Reiner O,Parichha A,Sapir T

更新日期：2020-10-15 00:00:00

abstract：:At least one non-human primate species-the marmoset monkey-exhibits developmental processes similar to human vocal development. These processes include babbling-like early vocal output and a role for social feedback in changing this output into mature-sounding vocalizations. Such parallel behaviors provide a window th...

journal_title：Current opinion in neurobiology

authors： Ghazanfar AA,Zhang YS

更新日期：2016-10-01 00:00:00

abstract：:Voltage-gated ion channels are composed of pore-forming subunits, as well as auxiliary subunits that modify the functions of these channels. In addition, the channels interact with other modulatory proteins in a more transient manner, although with significant effects on channel activity. Even though many second-messe...

journal_title：Current opinion in neurobiology

authors： Adelman JP

更新日期：1995-06-01 00:00:00

abstract：:In recent years, interest has grown in the ability to manipulate, in a temporally precise fashion, the electrical activity of specific neurons embedded within densely wired brain circuits, in order to reveal how specific neurons subserve behaviors and neural computations, and to open up new horizons on the clinical tr...

journal_title：Current opinion in neurobiology

authors： Bernstein JG,Garrity PA,Boyden ES

更新日期：2012-02-01 00:00:00

abstract：:Computational models of reinforcement learning (RL) strive to produce behavior that maximises reward, and thus allow software or robots to behave adaptively [1]. At the core of RL models is a learned mapping between 'states'-situations or contexts that an agent might encounter in the world-and actions. A wealth of phy...

journal_title：Current opinion in neurobiology

authors： Lau B,Monteiro T,Paton JJ

更新日期：2017-10-01 00:00:00

abstract：:Feeding history and the presence of food dramatically alter chemosensory behaviors. Recent results indicate that internal nutritional state can gate peripheral gustatory and olfactory sensory responses to affect behavior. Focusing primarily on recent work in C. elegans and Drosophila, I describe the neuromodulatory me...

journal_title：Current opinion in neurobiology

authors： Sengupta P

更新日期：2013-02-01 00:00:00

abstract：:A critical review of the role of the cerebellum in motor learning is presented. Specifically, the hypothesis that the climbing fibers that issue from the inferior olive serve to modify the responsiveness of cerebellar Purkinje cells is evaluated. It is concluded that there is no convincing evidence, at this time, to s...

journal_title：Current opinion in neurobiology

authors： Llinás R,Welsh JP

更新日期：1993-12-01 00:00:00

abstract：:All animals have a fundamental and unavoidable requirement for rest, yet we still do not fully understand the processes that initiate, maintain, and regulate sleep. The larval zebrafish is an optically translucent, genetically tractable model organism that exhibits sleep states regulated by conserved sleep circuits, t...

journal_title：Current opinion in neurobiology

authors： Barlow IL,Rihel J

更新日期：2017-06-01 00:00:00

abstract：:Recent work on the retinotectal projection clearly establishes the roles of neuronal activity and position-based cues in the patterning of nerve connections. In some species, the high degree of spatial order has been shown to emerge from a continued process of terminal growth and refinement. The future challenge is no...

journal_title：Current opinion in neurobiology

authors： Fraser SE

更新日期：1992-02-01 00:00:00

abstract：:The search for quantifiable biological mediators of genetic risk or 'intermediate phenotypes' is an essential strategy in psychiatric neuroscience and a useful tool for exploring the complex relationships between genes, neural circuits and behaviors. In recent years, the examination of connectivity-based intermediate ...

journal_title：Current opinion in neurobiology

authors： Cao H,Dixson L,Meyer-Lindenberg A,Tost H

更新日期：2016-02-01 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：:In order to understand how brain activity produces adaptive behavior we need large-scale, high-resolution recordings of neuronal activity. Fluorescent genetically encoded voltage indicators (GEVIs) offer the potential for these recordings to be performed chronically from targeted cells in a minimally invasive manner. ...

journal_title：Current opinion in neurobiology

authors： Platisa J,Pieribone VA

更新日期：2018-06-01 00:00:00

abstract：:In a similar fashion to transcription factors, non-coding RNAs can be essential regulators of gene expression. The largest class of non-coding RNAs is the microRNAs. These approximately 22 nt double-stranded RNA molecules can repress translation or target mRNA degradation. There has been a surge of research in the pas...

journal_title：Current opinion in neurobiology

authors： Klein ME,Impey S,Goodman RH

更新日期：2005-10-01 00:00:00

abstract：:Coordinated excitatory and inhibitory activity is required for proper brain functioning. Recent computational and experimental studies have demonstrated that activity patterns in recurrent cortical networks are dominated by inhibition. Whereas previous studies have suggested that inhibitory plasticity is important for...

journal_title：Current opinion in neurobiology

authors： Herstel LJ,Wierenga CJ

更新日期：2020-08-24 00:00:00

abstract：:How is an ant-equipped with a brain that barely exceeds the size of a pinhead-capable of achieving navigational marvels? Even though evidences suggest that navigation is a multimodal process, ants heavily depend on olfactory cues-of pheromonal and non-pheromonal nature-for foraging and orientation. Recent studies have...

journal_title：Current opinion in neurobiology

authors： Steck K

更新日期：2012-04-01 00:00:00

abstract：:Unravelling the mechanisms of learning and memory can, and should, be tackled at many levels. Discovery of the huge family of odourant receptor genes provided olfaction with 'molecular' respectability similar to that afforded to the visual system. Consequently, molecular studies have dominated the olfactory literature...

journal_title：Current opinion in neurobiology

authors： Keverne EB

更新日期：1995-08-01 00:00:00

abstract：:Databases of consistent, directed- and weighted inter-areal connectivity for mouse, macaque and marmoset monkeys have recently become available and begun to be used to build structural and dynamical models. A structural hierarchy can be defined based by laminar patterns of cortical connections. A large-scale dynamical...

journal_title：Current opinion in neurobiology

authors： Wang XJ,Pereira U,Rosa MG,Kennedy H

更新日期：2020-12-01 00:00:00

abstract：:Cell-cell communication directs the development of photoreceptor cells in the Drosophila retina. A recent set of studies has provided a genetic dissection of one of these interactions, the induction of the R7 photoreceptor cell by the neighboring R8 photoreceptor cell. The results from these experiments shape our unde...

journal_title：Current opinion in neurobiology

authors： Krämer H,Cagan RL

更新日期：1994-02-01 00:00:00

abstract：:Social experiences throughout life influence gene expression and behavior, however, early in development these influences have a particularly profound effect. In mammals, mother-infant interactions are the primary source of social stimulation and result in long-term changes in offspring phenotype. This has previously ...

journal_title：Current opinion in neurobiology

authors： Champagne FA,Curley JP

更新日期：2005-12-01 00:00:00

abstract：:Tympanic hearing is a true evolutionary novelty that arose in parallel within early tetrapods. We propose that in these tetrapods, selection for sound localization in air acted upon pre-existing directionally sensitive brainstem circuits, similar to those in fishes. Auditory circuits in birds and lizards resemble this...

journal_title：Current opinion in neurobiology

authors： Carr CE,Christensen-Dalsgaard J

更新日期：2016-10-01 00:00:00

abstract：:The behavioral repertoire of an organism can be highly diverse, spanning from social to defensive. How an animal efficiently switches between distinct behaviors is a fundamental question whose inquiry will provide insights into the mechanisms that are necessary for an organism's survival. Previous work aimed at identi...

journal_title：Current opinion in neurobiology

authors： Rozeske RR,Herry C

更新日期：2018-10-01 00:00:00

abstract：:Functional magnetic resonance imaging (fMRI) is used widely to determine the spatial layout of brain activation associated with specific cognitive tasks at a spatial scale of millimeters. Recent methodological improvements have made it possible to determine the latency and temporal structure of the activation at a tem...

journal_title：Current opinion in neurobiology

authors： Formisano E,Goebel R

更新日期：2003-04-01 00:00:00

abstract：:Oscillation in motor pattern generators is driven either by pacemaker neurons with inherent bursting properties or through network interactions. In a few examples in invertebrates and lower vertebrates, the mechanisms by which reciprocal inhibition combines with inherent membrane properties to produce network oscillat...

journal_title：Current opinion in neurobiology

authors： Calabrese RL

更新日期：1995-12-01 00:00:00

abstract：:Perceptual and control systems are tasked with the challenge of accurately and efficiently estimating the dynamic states of objects in the environment. To properly account for uncertainty, it is necessary to maintain a dynamical belief state representation rather than a single state vector. In this review, canonical a...

journal_title：Current opinion in neurobiology

authors： Lee DD,Ortega PA,Stocker AA

更新日期：2014-04-01 00:00:00

abstract：:Presynaptic nerve terminals release neurotransmitter synchronously, asynchronously or spontaneously. During synchronous neurotransmission release is precisely coupled to action potentials, in contrast, asynchronous release events show only loose temporal coupling to presynaptic activity whereas spontaneous neurotransm...

journal_title：Current opinion in neurobiology

authors： Chanaday NL,Kavalali ET

更新日期：2018-08-01 00:00:00

abstract：:How does auditory cortex represent auditory stimuli, and how do these representations contribute to behavior? Recent experimental evidence suggests that activity in auditory cortex consists of sparse and highly synchronized volleys of activity, observed both in anesthetized and awake animals. Many neurons are capable ...

journal_title：Current opinion in neurobiology

authors： Hromádka T,Zador AM

更新日期：2009-08-01 00:00:00

abstract：:A diverse group of biochemically distinct proteins give rise to amyloids, each of which is associated with a different disease. These amyloid proteins share numerous properties and typically arise from the abnormal processing of an amyloid precursor protein. The classification, mechanisms and biochemistry of amyloid f...

journal_title：Current opinion in neurobiology

authors： Castaño EM,Wisniewski T,Frangione B

更新日期：1991-10-01 00:00:00