Attentional modulation of affective versus sensory processing: functional connectivity and a top-down biased activation theory of selective attention.

abstract：:Single-electrode voltage-clamp techniques and bath application of the N-methyl-D-aspartate (NMDA) receptor antagonist 2-amino-5-phosphonovaleric acid (APV) were used to study the time course of seizure-induced alterations in NMDA-dependent synaptic currents in granule cells of the dentate gyrus in hippocampal slices f...

journal_title：Journal of neurophysiology

authors： Sayin,Rutecki P,Sutula T

更新日期：1999-02-01 00:00:00

abstract：:Sensorineural hearing loss (SNHL) causes an overall deficit in binaural hearing, including the abilities to localize sound sources, discriminate interaural time and level differences (ITDs and ILDs, respectively), and utilize binaural cues to aid signal detection and comprehension in noisy environments. Few studies ha...

journal_title：Journal of neurophysiology

authors： Haragopal H,Dorkoski R,Pollard AR,Whaley GA,Wohl TR,Stroud NC,Day ML

更新日期：2020-10-01 00:00:00

abstract：:The relative motion between the surface of an object and our fingers produces patterns of skin deformation such as stretch, indentation, and vibrations. In this study, we hypothesized that motion-induced vibrations are combined with other tactile cues for the discrimination of tactile speed. Specifically, we hypothesi...

journal_title：Journal of neurophysiology

authors： Dallmann CJ,Ernst MO,Moscatelli A

更新日期：2015-12-01 00:00:00

abstract：:Gramicidin-perforated patch-clamp recordings were made from slices of the suprachiasmatic nucleus (SCN) of adult rats to characterize the role of gamma-amino butyric acid (GABA) in the circadian timing system. During the day, activation of GABA(A) receptors hyperpolarized the membrane of SCN neurons. During the night,...

journal_title：Journal of neurophysiology

authors： De Jeu M,Pennartz C

更新日期：2002-02-01 00:00:00

abstract：:We examined the influence of focal cerebellar lesions on working memory (n-back task), gait, and the interaction between working memory and different gait tasks in a dual-task paradigm. The analysis included 17 young patients with chronic focal lesions after cerebellar tumor resection and 17 age-matched controls. Pati...

journal_title：Journal of neurophysiology

authors： Ilg W,Christensen A,Mueller OM,Goericke SL,Giese MA,Timmann D

更新日期：2013-11-01 00:00:00

abstract：:Hierarchical models of auditory processing often posit that optimal stimuli, i.e., those eliciting a maximal neural response, will increase in bandwidth and decrease in modulation rate as one ascends the auditory neuraxis. Here, we tested how bandwidth and modulation rate interact at several loci along the human centr...

journal_title：Journal of neurophysiology

authors： Overath T,Zhang Y,Sanes DH,Poeppel D

更新日期：2012-04-01 00:00:00

abstract：:1. A quantal analysis of transmission at the identified molluscan synapse, V2-RPr1, was performed during development. The study was intended to determine the pre- and postsynaptic contributions to the marked changes in transmitter release described in the previous report. 2. The success of the quantal analysis was pre...

journal_title：Journal of neurophysiology

authors： Pawson PA,Chase R

更新日期：1988-12-01 00:00:00

abstract：:1. In the present three-part study electrophysiological techniques were used to characterize responses of afferent fibers in the rat hypogastric nerve to mechanical or chemical stimulation of the uterus, and anatomical techniques were used to identify the spinal segments through which uterine afferent fibers enter the...

journal_title：Journal of neurophysiology

authors： Berkley KJ,Robbins A,Sato Y

更新日期：1988-01-01 00:00:00

abstract：:1. Activation of neurokinin receptors contributes to the excitation of many dorsal horn neurons by cutaneous sensory stimuli, particularly noxious stimuli. In the present study we investigate the role of neurokinin receptors in the activation of primate spinothalamic tract (STT) neurons by cutaneous mechanical stimuli...

journal_title：Journal of neurophysiology

authors： Dougherty PM,Palecek J,Palecková V,Willis WD

更新日期：1994-10-01 00:00:00

abstract：:Mechanisms that could mitigate the effects of hypoxia on neuronal signaling are incompletely understood. We show that axonal performance of a locust visual interneuron varied depending on oxygen availability. To induce hypoxia, tracheae supplying the thoracic nervous system were surgically lesioned and action potentia...

journal_title：Journal of neurophysiology

authors： Money TG,Sproule MK,Cross KP,Robertson RM

更新日期：2016-09-01 00:00:00

abstract：:Modularity in the central nervous system (CNS), i.e., the brain capability to generate a wide repertoire of movements by combining a small number of building blocks ("modules"), is thought to underlie the control of movement. Numerous studies reported evidence for such a modular organization by identifying invariant m...

journal_title：Journal of neurophysiology

authors： Delis I,Panzeri S,Pozzo T,Berret B

更新日期：2014-02-01 00:00:00

abstract：:Homosynaptic long-term depression (LTD) of synaptic efficacy was induced in field excitatory postsynaptic potentials by administration of 900 pulses at either 1 or 3 Hz in 2- to 3-wk-old Sprague-Dawley rats. The stimulation was administered via a bipolar stimulating electrode placed immediately adjacent to the recordi...

journal_title：Journal of neurophysiology

authors： Christie BR,Schexnayder LK,Johnston D

更新日期：1997-03-01 00:00:00

abstract：:Some electrographic seizures are generated intracortically. The cellular and ionic bases of cortically generated spontaneous seizures are not fully understood. Here we investigated spontaneously occurring seizures consisting of spike-wave complexes intermingled with fast runs in ketamine-xylazine anesthetized cats, us...

journal_title：Journal of neurophysiology

authors： Timofeev I,Grenier F,Steriade M

更新日期：2004-08-01 00:00:00

abstract：:The role of the nitric oxide (NO)-cGMP signaling cascade in modulation of peripheral nociception is controversial. Although behavioral studies have suggested both pro- and anti-nociceptive effects, little is known about the direct action of this signaling cascade on primary afferent nociceptive neurons that mediate th...

journal_title：Journal of neurophysiology

authors： Levy D,Strassman AM

更新日期：2004-08-01 00:00:00

abstract：:1. The responses of a total of 70 single neurons were recorded from the parabrachial nuclei (PBN) in awake rats. In 59 neurons, sapid stimuli (0.5 ml) elicited significant taste responses. Of these 59 neurons, 10 also had significant responses to water. The mean spontaneous rate of the taste neurons was 13.4 +/- 6.9 (...

journal_title：Journal of neurophysiology

authors： Nishijo H,Norgren R

更新日期：1990-04-01 00:00:00

abstract：:The objective of this project was to examine the influence of stimulus waveform and frequency on extracellular stimulation of neurons with their cell bodies near the electrode (local cells) and fibers of passage in the CNS. Detailed computer-based models of CNS cells and axons were developed that accurately reproduced...

journal_title：Journal of neurophysiology

authors： McIntyre CC,Grill WM

更新日期：2002-10-01 00:00:00

abstract：:According to Alexander's law (AL), the slow phase velocity of nystagmus of vestibular origin is dependent on horizontal position, with lower velocity when gaze is directed in the slow compared with the fast phase direction. Adaptive changes in the velocity-to-position neural integrator are thought to cause AL. Althoug...

journal_title：Journal of neurophysiology

authors： Bockisch CJ,Hegemann S

更新日期：2008-12-01 00:00:00

abstract：:The giant barnacle, Balanus nubilus, has three simple eyes, two lateral and one median. We have studied the convergence of the receptors of these ocelli by recording from the second-order cell (I-cell) and from the receptors' terminals. The I-cell's responses to illumination of the median and lateral eyes are similar ...

journal_title：Journal of neurophysiology

authors： Oland LA,Stuart AE

更新日期：1986-05-01 00:00:00

abstract：:To examine the activity of somatosensory cortex (S1) neurons to self-generated shear forces on the index and thumb, two monkeys were trained to grasp a stationary metal tab with a key grip and exert forces without the fingers slipping in one of four orthogonal directions for 1 s. A majority (∼85%) of slowly adapting a...

journal_title：Journal of neurophysiology

authors： Fortier-Poisson P,Langlais JS,Smith AM

更新日期：2016-01-01 00:00:00

abstract：:The hearing ability of five Japanese macaques (Macaca fuscata) was assessed following two-stage bilateral auditory cortex lesions. The animals were tested using a shock-avoidance procedure with a conditioned-suppression procedure used for comparison in two cases. The animals initially were unable to respond to sound, ...

journal_title：Journal of neurophysiology

authors： Heffner HE,Heffner RS

更新日期：1986-02-01 00:00:00

abstract：:Sensory adaptation serves to adjust awake brains to changing environments on different time scales. However, adaptation has been studied traditionally under anesthesia and for short time periods. Here, we demonstrate in awake rabbits a novel type of sensory adaptation that persists for >1 h and acts on visual thalamoc...

journal_title：Journal of neurophysiology

authors： Stoelzel CR,Huff JM,Bereshpolova Y,Zhuang J,Hei X,Alonso JM,Swadlow HA

更新日期：2015-08-01 00:00:00

abstract：:1. The tension produced by the combined stimulation of two to four single motor units of the cat tibialis posterior muscle was compared with the algebraic sum of the tensions produced by each individual motor unit. Comparisons were made under isometric conditions and during imposed changes in muscle length. 2. Under i...

journal_title：Journal of neurophysiology

authors： Powers RK,Binder MD

更新日期：1991-12-01 00:00:00

abstract：:Direct electrical coupling between neurons can be the result of both electrotonic current transfer through gap junctions and extracellular fields. Intracellular recordings from CA1 pyramidal neurons of rat hippocampal slices showed two different types of small-amplitude coupling potentials: short-duration (5 ms) bipha...

journal_title：Journal of neurophysiology

authors： Vigmond EJ,Perez Velazquez JL,Valiante TA,Bardakjian BL,Carlen PL

更新日期：1997-12-01 00:00:00

abstract：:The dorsal nucleus of the lateral lemniscus (DNLL) receives afferent inputs from many brain stem nuclei and, in turn, is a major source of inhibitory inputs to the inferior colliculus (IC). The goal of this study was to characterize the monaural and binaural response properties of neurons in the DNLL of unanesthetized...

journal_title：Journal of neurophysiology

authors： Davis KA,Lomakin O,Pesavento MJ

更新日期：2007-09-01 00:00:00

abstract：:The properties of the vestibuloocular reflex (VOR) when the axis of rotation is behind the eyes and fixation of a near target is required were studied in the monkey. The magnitude of VOR gain in each eye was found to be above 1.0 and near the ideal value for stabilizing a retinal image. Evidence that this large VOR ga...

journal_title：Journal of neurophysiology

authors： Viirre E,Tweed D,Milner K,Vilis T

更新日期：1986-08-01 00:00:00

abstract：:A prominent characteristic of neurons in the whisker system is their selectivity to the direction in which a whisker is deflected. The aim of this study was to determine how information about whisker direction is encoded at successive levels of the lemniscal pathway. We made extracellular recordings under identical co...

journal_title：Journal of neurophysiology

authors： Bale MR,Petersen RS

更新日期：2009-11-01 00:00:00

abstract：:Primate head-free saccade generator implements a desired (post-VOR) eye position command by anticipating intended head motion. J. Neurophysiol. 78: 2811-2816, 1997. When we glance between objects, the brain ultimately controls gaze direction in space. However, it is currently unclear how this is allocated into separat...

journal_title：Journal of neurophysiology

authors： Crawford JD,Guitton D

更新日期：1997-11-01 00:00:00

abstract：:Unilateral intrahippocampal injection of tetanus toxin results in a chronic syndrome of intermittent epileptic seizures. During some of these seizures, rats develop a stereotypic, pathological motor behavior that indicates secondary generalization of epileptic activity. We report that secondary generalization was prec...

journal_title：Journal of neurophysiology

authors： Finnerty GT,Jefferys JG

更新日期：2000-04-01 00:00:00

abstract：:The lateral superior olive (LSO) is the primary auditory nucleus for processing of interaural sound level differences, which is one of the major cues for sound localization. During development, survival and maturation of LSO neurons critically depend on synaptic activity and intracellular calcium signaling. Before hea...

journal_title：Journal of neurophysiology

authors： Ene FA,Kalmbach A,Kandler K

更新日期：2007-05-01 00:00:00

abstract：:In the main olfactory bulb, several populations of granule cells (GCs) can be distinguished based on the soma location either superficially, interspersed with mitral cells within the mitral cell layer (MCL), or deeper, within the GC layer (GCL). Little is known about the physiological properties of superficial GCs (sG...

journal_title：Journal of neurophysiology

authors： Heinbockel T,Hamilton KA,Ennis M

更新日期：2007-04-01 00:00:00