Oscillatory mechanisms of feedforward and feedback visual processing.

abstract：:It has been suggested, on the basis of neuroanatomical and behavioural data, that olfactory discrimination in the rat provides privileged access to higher cognitive processes, involves the acquisition of a learning-set and, importantly, can be used to model human hippocampal function and dysfunction. In this article, ...

journal_title：Trends in neurosciences

authors： Reid IC,Morris RG

更新日期：1993-01-01 00:00:00

abstract：:The study of synaptic connections in the electron microscope has established an 'elementary' circuit for the neostriatum which consists of a pathway from cortical areas (neocortex, hippocampus, amygdala) to medium spiny neurones of the striatum that also receive converging synaptic input from midbrain dopamine neurone...

journal_title：Trends in neurosciences

authors： Smith AD,Bolam JP

更新日期：1990-07-01 00:00:00

abstract：:Mitochondrial dysfunction has been implicated in the pathogenesis of almost all neurological diseases, including Alzheimer's disease (AD). Historically, a primary focus in this context has been the link between mitochondrial dynamics and amyloid β toxicity. Recent evidence suggests that dysregulation of mitochondrial ...

journal_title：Trends in neurosciences

authors： Calvo-Rodriguez M,Bacskai BJ

更新日期：2021-02-01 00:00:00

abstract：:Aging is characterized by decrements in maximum function and accumulation of mitochondrial DNA mutations, which are best observed in organs such as the brain that contain post-mitotic cells. Oxygen radicals are increasingly considered responsible for part of these aging changes. Comparative studies of animals with dif...

journal_title：Trends in neurosciences

authors： Barja G

更新日期：2004-10-01 00:00:00

abstract：:When nuclear magnetic resonance images (MRIs) of the brain are acquired in rapid succession they exhibit small differences in signal intensity in positions corresponding to focal areas of activation. These signal changes result from small differences in the magnetic resonance signal caused by variations in the oxygena...

journal_title：Trends in neurosciences

authors： Cohen MS,Bookheimer SY

更新日期：1994-07-01 00:00:00

abstract：:Stress is a major trigger of seizures in people with epilepsy. Exposure to stress results in the release of several stress mediators throughout the brain, including the hippocampus, a region sensitive to stress and prone to seizures. Stress mediators interact with their respective receptors to produce distinct effects...

journal_title：Trends in neurosciences

authors： Gunn BG,Baram TZ

更新日期：2017-11-01 00:00:00

abstract：:The laboratory mouse has emerged as a primary model organism for studying axon regeneration after experimental spinal cord injury, owing to its genetic amenability. Mutant mouse models are contributing significantly to our understanding of the molecular mechanisms of axon regeneration failure in the adult mammalian ce...

journal_title：Trends in neurosciences

authors： Zheng B,Lee JK,Xie F

更新日期：2006-11-01 00:00:00

abstract：:Dendrites of pyramidal neurons are complex, electrically active structures that can produce local and global Ca(2+) compartments. Recent studies indicate that dendrites of cortical GABAergic interneurons are also highly specialized, and that different subtypes vary in their morphology, in their intrinsic and synaptic ...

journal_title：Trends in neurosciences

authors： Goldberg JH,Yuste R

更新日期：2005-03-01 00:00:00

abstract：:A growing body of work is investigating the safety and efficacy of light in Parkinson's disease (PD). Here we discuss the potential of this emerging therapy to improve both motor and non-motor symptoms of PD. We also highlight directions for future basic, translational, and clinical research that are critical for the ...

journal_title：Trends in neurosciences

authors： Fifel K,Videnovic A

更新日期：2018-05-01 00:00:00

abstract：:Cholinergic interneurons have emerged as one of the key players controlling network functions in the striatum. Extracellularly recorded cholinergic interneurons acquire characteristic responses to sensory stimuli during reward-related learning, including a pause and subsequent rebound in spiking. However, the precise ...

journal_title：Trends in neurosciences

authors： Schulz JM,Reynolds JN

更新日期：2013-01-01 00:00:00

abstract：:Intracellular Ca2+ initiates physiological events as diverse as gene transcription, muscle contraction, cell division and exocytosis. Predictably, the metabolic machinery that elicits and responds to changes in intracellular Ca2+ is correspondingly heterogeneous. This review focuses on one element of this complex web ...

journal_title：Trends in neurosciences

authors： Dunlap K,Luebke JI,Turner TJ

更新日期：1995-02-01 00:00:00

abstract：:Compromise of the ubiquitin-proteasome system (UPS) is a potential basis for multiple physiological abnormalities and pathologies in the CNS. This could be because reduced protein turnover leads to bulk intracellular protein accumulation. However, conditions associated with compromised UPS function are also associated...

journal_title：Trends in neurosciences

authors： Ding Q,Cecarini V,Keller JN

更新日期：2007-01-01 00:00:00

abstract：:Synaptically released glutamate activates extrasynaptic receptors; such actions are controlled by glutamate uptake. Recent experimental findings show that there are many more glutamate transporters on the postsynaptic than presynaptic side of the vicinity of central synapses. This asymmetry favours activation of axona...

journal_title：Trends in neurosciences

authors： Rusakov DA,Lehre KP

更新日期：2002-10-01 00:00:00

abstract：:A variety of fatty acids regulate the activity of specific ion channels by mechanisms not involving the enzymatic pathways that convert arachidonic acid to oxygenated metabolites. Furthermore, these actions of fatty acids occur in patches of membrane excised from the cell and are not mediated by cellular signal transd...

journal_title：Trends in neurosciences

authors： Ordway RW,Singer JJ,Walsh JV Jr

更新日期：1991-03-01 00:00:00

abstract：:Both ageing and chronic stress are associated with altered brain plasticity, dysregulation of the immune system, and an increased risk of developing brain disorders; all of which have consequences for cognitive and emotional processing. Here we examine the similarities between behavioural changes during ageing and str...

journal_title：Trends in neurosciences

authors： Prenderville JA,Kennedy PJ,Dinan TG,Cryan JF

更新日期：2015-01-01 00:00:00

abstract：:Microglia provide immune surveillance of the CNS. They display diverse behaviors, including nondirectional and directed motility of their processes, phagocytosis of targets such as dying neurons or superfluous synapses, and generation of reactive oxygen species (ROS) and cytokines. Many of these functions are mediated...

journal_title：Trends in neurosciences

authors： Izquierdo P,Attwell D,Madry C

更新日期：2019-04-01 00:00:00

abstract：:Genetic studies have identified several of the genes associated with malformations of cortical development which might disrupt each of the main stages of cell proliferation and specification, neuronal migration and late cortical organization. The largest malformation groups, focal cortical dysplasia, heterotopia and p...

journal_title：Trends in neurosciences

authors： Guerrini R,Dobyns WB,Barkovich AJ

更新日期：2008-03-01 00:00:00

abstract：:Cytotoxic T lymphocytes (CTLs) with a CD8(+) phenotype have the potential to recognize and attack major histocompatibility complex (MHC) class I-expressing brain cells. Most brain cells, including neurons, can be stimulated to present peptides to CD8(+) CTLs by MHC class I molecules, and are susceptible to CTL-mediate...

journal_title：Trends in neurosciences

authors： Neumann H,Medana IM,Bauer J,Lassmann H

更新日期：2002-06-01 00:00:00

abstract：:Potassium channels are crucial regulators of neuronal excitability, setting resting membrane potentials and firing thresholds, repolarizing action potentials and limiting excitability. Although most of our understanding of K+ channels is based on somatic recordings, there is good evidence that these channels are prese...

journal_title：Trends in neurosciences

authors： Dodson PD,Forsythe ID

更新日期：2004-04-01 00:00:00

abstract：:How does an extracellular guidance molecule direct multiple growth cones to different positions? The answer is important for understanding the development of complex neural connections. UNC-6 is a member of the netrin family of guidance proteins. It has phylogenetically conserved domains that mediate its different gui...

journal_title：Trends in neurosciences

authors： Wadsworth WG

更新日期：2002-08-01 00:00:00

abstract：:Severed distal segments of nerve axons (anucleate axons) have now been reported to survive for weeks to years in representative organisms from most phyla, including the vertebrates. Among invertebrates (especially crustaceans), such long-term survival might involve transfer of proteins from adjacent intact cells to an...

journal_title：Trends in neurosciences

authors： Bittner GD

更新日期：1991-05-01 00:00:00

abstract：:In many neurological and psychiatric disorders, including Alzheimer's disease and schizophrenia, symptoms are present that appear to reflect an essential absence of normal movement, cognition and emotional states. These negative symptoms might reflect fundamental impairments in basic brain mechanisms that underlie goa...

journal_title：Trends in neurosciences

authors： Brown RG,Pluck G

更新日期：2000-09-01 00:00:00

abstract：:Imagine the decisions you might make while playing a simple game like 'matching pennies'. At each play, you and your opponent, say the mathematician John vonNeumann, each lay down a penny heads or tails up. If both pennies show the same side, vonNeumann wins, if not, you win. Before each play, you have the subjective ...

journal_title：Trends in neurosciences

authors： Glimcher PW

更新日期：2001-11-01 00:00:00

abstract：:Schizophrenia (SZ) is primarily an adult psychiatric disorder in which disturbances caused by susceptibility genes and environmental insults during early neurodevelopment initiate neurophysiological changes over a long time course, culminating in the onset of full-blown disease nearly two decades later. Aberrant postn...

journal_title：Trends in neurosciences

authors： Jaaro-Peled H,Hayashi-Takagi A,Seshadri S,Kamiya A,Brandon NJ,Sawa A

更新日期：2009-09-01 00:00:00

abstract：:The vertebrate neuromuscular junction (NMJ), a peripheral synapse formed between motoneuron and skeletal muscle, is characterized by a protracted postnatal period of maturation and life-long maintenance. In neuromuscular disorders such as congenital myasthenic syndromes (CMSs), disruptions of NMJ maturation and/or mai...

journal_title：Trends in neurosciences

authors： Shi L,Fu AK,Ip NY

更新日期：2012-07-01 00:00:00

abstract：:How should evolution and development build the brain to be capable of flexible and generative cognition? I wish to put forth a 'power-of-two'-based wiring logic that provides the basic computational principle in organizing the microarchitecture of cell assemblies that would readily enable knowledge and adaptive behavi...

journal_title：Trends in neurosciences

authors： Tsien JZ

更新日期：2015-11-01 00:00:00

abstract：:Despite its highly diffusible nature, the gaseous signalling molecule nitric oxide (NO) can exert specific effects within the CNS and PNS. To date, the specificity of the actions of NO remains an unsolved puzzle. There are several plausible mechanisms that might account for this specificity in the context of autonomic...

journal_title：Trends in neurosciences

authors： Paton JF,Kasparov S,Paterson DJ

更新日期：2002-12-01 00:00:00

abstract：:GABAergic interneurons innervating the perisomatic region of pyramidal cells control population discharge patterns, and thereby all cognitive operations in the cerebral cortex. A striking dichotomy in the function of this interneuron population seems to emerge from the synthesis of recent molecular, anatomical and ele...

journal_title：Trends in neurosciences

authors： Freund TF

更新日期：2003-09-01 00:00:00

abstract：:The recent advent of novel high-resolution imaging methods has created a flurry of exciting observations that address a century-old question: what are biological signals that regulate formation and elimination of dendritic spines? Contrary to the traditional belief that the spine is a stable storage site of long-term ...

journal_title：Trends in neurosciences

authors： Segal I,Korkotian I,Murphy DD

更新日期：2000-02-01 00:00:00

abstract：:The molecular nature of the metabotropic GABA(B) receptor was for some time a mystery, however it was recently discovered that two related G-protein-coupled receptors have to heterodimerize to form the functional GABA(B) receptor at the cell surface. This review discusses the most recent findings in the rapidly expand...

journal_title：Trends in neurosciences

authors： Billinton A,Ige AO,Bolam JP,White JH,Marshall FH,Emson PC

更新日期：2001-05-01 00:00:00