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：:Central pattern generators are subject to extensive modulation that generates flexibility in the rhythmic outputs of these neural networks. The effects of neuromodulators interact with one another, and modulatory neurons are themselves often subject to modulation, enabling both higher order control and indirect intera...

journal_title：Current opinion in neurobiology

authors： Dickinson PS

更新日期：2006-12-01 00:00:00

abstract：:Action potential conduction in myelinated nerve fibers depends on a polarized axonal membrane. Voltage-gated Na(+) and K(+) channels are clustered at nodes of Ranvier and mediate the transmembrane currents necessary for rapid saltatory conduction. Paranodal junctions flank nodes and function as attachment sites for my...

journal_title：Current opinion in neurobiology

authors： Schafer DP,Rasband MN

更新日期：2006-10-01 00:00:00

abstract：:The vestibular system provides an attractive model for understanding how changes in cellular and synaptic activity influence learning and memory in a quantifiable behavior, the vestibulo-ocular reflex. The vestibulo-ocular reflex produces eye movements that compensate for head motion; simple yet powerful forms of moto...

journal_title：Current opinion in neurobiology

authors： Gittis AH,du Lac S

更新日期：2006-08-01 00:00:00

abstract：:Rats sweep their vibrissae through space to locate objects in their immediate environment. In essence, their view of the proximal world is generated through pliable hairs that tap and palpate objects. The texture and shape of those objects must be discerned for the rat to assess the value of the object. Furthermore, t...

journal_title：Current opinion in neurobiology

authors： Kleinfeld D,Ahissar E,Diamond ME

更新日期：2006-08-01 00:00:00

abstract：:Acetylcholine is the specific chemical code of spinal nerve terminal transmission at the mammalian neuromuscular junction (NMJ), whereas nicotinic acetylcholine receptors inserted into the membrane of muscle fibres mediate signalling for the muscle response. Glutamate has a primary role in neuromuscular transmission o...

journal_title：Current opinion in neurobiology

authors： Pizzi M,Brunelli G,Barlati S,Spano P

更新日期：2006-06-01 00:00:00

abstract：:Ample evidence suggests that upon their retrieval, items in long-term memory enter a transient special state, in which they might become prone to change. The process that generates this state is dubbed 'reconsolidation'. The dominant conceptual framework in this revitalized field of memory research focuses on whether ...

journal_title：Current opinion in neurobiology

authors： Dudai Y

更新日期：2006-04-01 00:00:00

abstract：:Standard economic theories conceive homo economicus as a rational decision maker capable of maximizing utility. In reality, however, people tend to approximate optimal decision-making strategies through a collection of heuristic routines. Some of these routines are driven by emotional processes, and others are adjuste...

journal_title：Current opinion in neurobiology

authors： Lee D

更新日期：2006-04-01 00:00:00

abstract：:During the past years, major advances have been made in understanding the sequential events involved in neural plate patterning. Positional information is already conferred to cells of the neural plate at the time of its induction in the ectoderm. The interplay between the BMP- and the Fgf- signaling pathways leads to...

journal_title：Current opinion in neurobiology

authors： Rhinn M,Picker A,Brand M

更新日期：2006-02-01 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：:Both mammals and birds can flexibly organize their behavior over time. In mammals, the mental operations generating this ability are called executive functions and are associated with the prefrontal cortex. The corresponding structure in birds is the nidopallium caudolaterale. Anatomical, neurochemical, electrophysiol...

journal_title：Current opinion in neurobiology

authors： Güntürkün O

更新日期：2005-12-01 00:00:00

abstract：:Smooth-pursuit eye movements are used to stabilize the image of a moving object of interest on the fovea, thus guaranteeing its high-acuity scrutiny. Such movements are based on a phylogenetically recent cerebro-ponto-cerebellar pathway that has evolved in parallel with foveal vision. Recent work has shown that a netw...

journal_title：Current opinion in neurobiology

authors： Thier P,Ilg UJ

更新日期：2005-12-01 00:00:00

abstract：:Growth cones, the highly motile tips of growing axons, guide axons to their targets by responding to molecular cues. Growth cone behaviors such as advancing, retracting, turning and branching are driven by the dynamics and reorganization of the actin and microtubule cytoskeleton through signaling pathways linked to gu...

journal_title：Current opinion in neurobiology

authors： Kalil K,Dent EW

更新日期：2005-10-01 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：:Increasingly systematic approaches to quantifying receptive fields in primary visual cortex, combined with inspired ideas about functional circuitry, non-linearities, and visual stimuli, are bringing new interest to classical problems. This includes the distinction and hierarchy between simple and complex cells, the m...

journal_title：Current opinion in neurobiology

authors： Bair W

更新日期：2005-08-01 00:00:00

abstract：:Plasma membrane neurotransmitter transporters for monoamines, GABA, glycine and excitatory amino acids are homologous to two sizable families of bacterial amino acid transporters. Recently, a high resolution structure was determined for a thermophilic glutamate transporter. Also, a bacterial tryptophan transporter rel...

journal_title：Current opinion in neurobiology

authors： Sonders MS,Quick M,Javitch JA

更新日期：2005-06-01 00:00:00

abstract：:Recent progress in our understanding of the trafficking of potassium channels can be seen in particular when considering the Kv-type channels. To date, we have discovered that folding of the Kv1.3 T1 domain begins in the ribosomal exit tunnel, and that the cell surface expression of Kv4 channels is enhanced by the pre...

journal_title：Current opinion in neurobiology

authors： Heusser K,Schwappach B

更新日期：2005-06-01 00:00:00

abstract：:Visual attention operates by biasing competitive interactions between neural representations, favoring relevant over irrelevant visual inputs. Attention can enhance the processing of relevant information using location-based, feature-based or object-based selection mechanisms. Studies using event-related potential and...

journal_title：Current opinion in neurobiology

authors： Hopf JM,Schoenfeld MA,Heinze HJ

更新日期：2005-04-01 00:00:00

abstract：:New discoveries challenge the long-held view that aging is characterized by progressive loss and decline. Evidence for functional reorganization, compensation and effective interventions holds promise for a more optimistic view of neurocognitive status in later life. Complexities associated with assigning function to ...

journal_title：Current opinion in neurobiology

authors： Reuter-Lorenz PA,Lustig C

更新日期：2005-04-01 00:00:00

abstract：:Cognitive development is determined by both genetics and environment. One point of convergence of these two influences is the neural activity-dependent regulation of programs of gene expression that specify neuronal fate and function. Human genetic studies have linked several transcriptional regulators to neurodevelop...

journal_title：Current opinion in neurobiology

authors： Hong EJ,West AE,Greenberg ME

更新日期：2005-02-01 00:00:00

abstract：:One of the seminal discoveries in developmental neuroscience is that altering visual experience through monocular deprivation can alter both the physiological and the anatomical representation of the two eyes, called ocular dominance columns, in primary visual cortex. This rearrangement is restricted to a critical per...

journal_title：Current opinion in neurobiology

authors： Feller MB,Scanziani M

更新日期：2005-02-01 00:00:00

abstract：:The study of plasticity in the central nervous system is a major and very dynamic neuroscience research field with enormous clinical potential. Considerable advances in this field have been made during the past 10 years. It now appears that most circuits in the brain and spinal cord show plasticity and that they can b...

journal_title：Current opinion in neurobiology

authors： Schouenborg J

更新日期：2004-12-01 00:00:00

abstract：:Work in cortically controlled neuroprosthetic systems has concentrated on decoding natural behaviors from neural activity, with the idea that if the behavior could be fully decoded it could be duplicated using an artificial system. Initial estimates from this approach suggested that a high-fidelity signal comprised of...

journal_title：Current opinion in neurobiology

authors： Tillery SI,Taylor DM

更新日期：2004-12-01 00:00:00

abstract：:Neurons utilize mRNA transport and local translation as a means to influence development and plasticity. The molecular mechanisms for this mRNA sorting involve the recognition of cis-acting sequences by distinct mRNA binding proteins that have a dual role, acting in both mRNA transport and translational regulation. Ot...

journal_title：Current opinion in neurobiology

authors： Bassell GJ,Kelic S

更新日期：2004-10-01 00:00:00

abstract：:Genetic mosaic techniques provide a powerful tool for dissecting gene function in the intricate genetic networks that underlie the formation and function of nervous systems. For instance, it is possible to make individual cells or groups of cells homozygous for mutations of interest at specific points during an organi...

journal_title：Current opinion in neurobiology

authors： Zugates CT,Lee T

更新日期：2004-10-01 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：:Although the presence of neuromodulators in mammalian sensory systems has been noted for some time, a groundswell of evidence has now begun to document the scope of these regulatory mechanisms in several sensory systems, highlighting the importance of neuromodulation in shaping feature extraction at all levels of neur...

journal_title：Current opinion in neurobiology

authors： Hurley LM,Devilbiss DM,Waterhouse BD

更新日期：2004-08-01 00:00:00

abstract：:mRNA localization and regulated translation take central roles in axon guidance and synaptic plasticity. By spatially restricting gene expression within neurons, local protein synthesis provides growth cones and synapses with the capacity to autonomously regulate their structure and function. Studies in a variety of s...

journal_title：Current opinion in neurobiology

authors： Martin KC

更新日期：2004-06-01 00:00:00

abstract：:The gene product responsible for autosomal recessive juvenile Parkinsonism, Parkin, has been observed to have ubiquitin ligase activity. This finding has changed the direction of studies on Parkinson's disease by suggesting that abnormal protein turnover might be involved in its pathogenesis. A number of potentially n...

journal_title：Current opinion in neurobiology

authors： Imai Y,Takahashi R

更新日期：2004-06-01 00:00:00

abstract：:Sustained activity has been recorded in the prefrontal cortex during working memory tasks. First, we compare the anatomical distribution of this activity in humans and monkeys. Then, we show that it reflects many factors, maintenance of the items presented, preparation for the response, transformation of the items dur...

journal_title：Current opinion in neurobiology

authors： Passingham D,Sakai K

更新日期：2004-04-01 00:00:00

abstract：:Recent functional brain imaging studies of the neurobiology of emotion have investigated how individual differences among subjects modulate neural responses during emotion processing. Differences in personality, dispositional affect, biological sex, and genotype can all substantially modulate the neural bases of emoti...

journal_title：Current opinion in neurobiology

authors： Hamann S,Canli T

更新日期：2004-04-01 00:00:00

abstract：:The lateral line system is simple (comprising six cell types), its sense organs form according to a defined and reproducible pattern, and its neurons are easily visualized. In the zebrafish, these advantages can be combined with a wealth of genetic tools, making this system ideally suited to a combined molecular, cell...

journal_title：Current opinion in neurobiology

authors： Ghysen A,Dambly-Chaudière C

更新日期：2004-02-01 00:00:00

abstract：:For many years pathophysiological studies on patients with movement disorders were viewed as inferior to those in animal models because, given the complexity of dealing with the complete interconnected CNS, it was difficult to assign any particular physiological abnormality exclusively to the site of a known lesion. M...

journal_title：Current opinion in neurobiology

authors： Rothwell JC,Huang YZ

更新日期：2003-12-01 00:00:00

abstract：:Biological systems use internal circadian clocks to efficiently organize physiological and behavioral activity within the 24-hour time domain. In the absence of time cues, circadian periods vary slightly from 24 hours, but in nature, ambient light serves as the most salient synchronizer for these rhythms, fine-tuning ...

journal_title：Current opinion in neurobiology

authors： Davidson AJ,Menaker M

更新日期：2003-12-01 00:00:00

abstract：:The impact of microarray studies on neurobiology has been limited because, with the exception of a few outstanding papers, most reports provide little more than lists of genes, often leaving the reader at a loss to understand which and how many of the identified transcripts will be true positives with significant biol...

journal_title：Current opinion in neurobiology

authors： Henry GL,Zito K,Dubnau J

更新日期：2003-10-01 00:00:00

abstract：:Ambiguous figures that may take on the appearance of two or more distinct forms have fascinated philosophers and psychologists for generations. Recently, several laboratories have studied the neuronal basis of perceptual appearance at the level of single neurons in the cerebral cortex. Experiments that integrate neuro...

journal_title：Current opinion in neurobiology

authors： Parker AJ,Krug K

更新日期：2003-08-01 00:00:00

abstract：:Converging evidence indicates that primates have a distinct cortical image of homeostatic afferent activity that reflects all aspects of the physiological condition of all tissues of the body. This interoceptive system, associated with autonomic motor control, is distinct from the exteroceptive system (cutaneous mecha...

journal_title：Current opinion in neurobiology

authors： Craig AD

更新日期：2003-08-01 00:00:00

abstract：:In the twelve years since the molecular elucidation of the metabotropic glutamate receptor subtype 1, a class III family of G-protein-coupled receptors has emerged; members of this family include the calcium-sensing receptor, the GABA(B) receptor, some odorant receptors and some taste receptors. Atomic structures of t...

journal_title：Current opinion in neurobiology

authors： Jingami H,Nakanishi S,Morikawa K

更新日期：2003-06-01 00:00:00

abstract：:Opiate drugs such as morphine and heroin are among the most effective analgesics known. Prolonged or repeated administration of opiates produces adaptive changes in the nervous system that lead to reduced drug potency or efficacy (tolerance), as well as physiological withdrawal symptoms and behavioral manifestations s...

journal_title：Current opinion in neurobiology

authors： von Zastrow M,Svingos A,Haberstock-Debic H,Evans C

更新日期：2003-06-01 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