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Musculoskeletal and Neural Physiological Phenomena (2)
Articles on Musculoskeletal and Neural Physiological Phenomena
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Tetramethylpyrazine reduces cellular inflammatory response following permanent focal cerebral ischemia in rats.
Exp Neurol (2013) PMID 23644042
We report a global inhibitory effect of TMP on intracerebral cellular inflammatory response in a rat model of permanent cerebral ischemia. TMP exhibited a neuroprotective effect against ischemic deficits by reduction of behavioral disturbance, brain infarction, and edema. The results of immunohistoc... -
Postmicrosaccadic enhancement of slow eye movements.
J Neurosci 33(12):5375-86 (2013) PMID 23516303
We studied this immediate postmovement interval for the case of microsaccades during fixation, which rapidly jitter the "sensor" exactly when it is being voluntarily stabilized to maintain clear vision. We characterized retinal-image slip in monkeys immediately after microsaccades by analyzing postm... -
Neural Correlates of Motor Vigour and Motor Urgency During Exercise.
Sports Med (2013) PMID 23456492
We propose that some of the above phenomena may be explained by distinguishing between voluntary, vigorous and urgent motor behaviours during exercise, given that different CNS structures and neurotransmitters are involved in the execution of these different motor behaviours.... -
Structural Plasticity of Interneurons in the Adult Brain: Role of PSA-NCAM and Implications for Psychiatric Disorders.
Neurochem Res (2013) PMID 23354722
We review recent work on the structural remodeling of interneurons in the adult brain, both in basal conditions and after chronic stress or sensory deprivation. We also describe studies from our laboratory and others on the putative mediators of this interneuronal structural plasticity, focusing on... -
A fast model of voltage-dependent NMDA receptors.
J Comput Neurosci (2012) PMID 23224774
We have modified these classic models to endow them with the voltage-dependent conductance and time constants. Temperature sensitivity and desensitization of these receptors are also taken into account. We show that, it is possible to simulate the most important physiological aspects of NMDA recepto... -
Social plasticity in fish: integrating mechanisms and function.
J Fish Biol 81(7):2127-50 (2012) PMID 23252731
Social plasticity is a ubiquitous feature of animal behaviour. Animals must adjust the expression of their social behaviour to the nuances of daily social life and to the transitions between life-history stages, and the ability to do so affects their Darwinian fitness. Here, an integ... -
Finite element analysis of hippocampal neural fields
arXiv:1211.0249 [q-bio.NC] 1 Nov 2012
We propose that Models should be based on the space- and time-dependent Maxwell equations in Order to account for heterogeneous properties of the extracellular space and Specific arrangements of neurons in dense hippocampal layers. To demonstrate The influence of heterogeneous extracellular resistiv... -
Coding of abstract quantity by 'number neurons' of the primate brain.
J Comp Physiol A Neuroethol Sens Neural Be... 199(1):1-16 (2013) PMID 23052854
Humans share with nonhuman animals a quantification system for representing the number of items as nonverbal mental magnitudes. Over the past decade, the anatomical substrates and neuronal mechanisms of this quantification system have been unraveled down to the level of single neuron... -
A role for the subthalamic nucleus in response inhibition during conflict.
J Neurosci 32(39):13396-401 (2012) PMID 23015430
We recorded neural activity during a Stroop task from deep brain stimulation electrodes implanted in the human STN. We intended to determine whether cognitive psychological phenomena such as the Stroop effect can be explained via mechanisms of response inhibition involving the STN, or whether higher... -
Quantitative theory of driven nonlinear brain dynamics.
Neuroimage 62(3):1947-55 (2012) PMID 22652022
Strong periodic stimuli such as bright flashing lights evoke nonlinear responses in the brain and interact nonlinearly with ongoing cortical activity, but the underlying mechanisms for these phenomena are poorly understood at present. The dominant features of these experimentally obs...
