Calcium Transients in the Garter Snake Vomeronasal Organ
... patterns of activity displayed a scattered appearance with a heterogeneous organization in which it was possible to find nonuniform foci of activity distributed in multiple epithelial regions separated by silent sectors. Within each lamina there were important variations in the amplitude and time co ...
... patterns of activity displayed a scattered appearance with a heterogeneous organization in which it was possible to find nonuniform foci of activity distributed in multiple epithelial regions separated by silent sectors. Within each lamina there were important variations in the amplitude and time co ...
neuronal reward and decision signals: from theories to data
... 853–951, 2015. Published June 24, 2015; doi:10.1152/physrev.00023.2014.—Rewards are crucial objects that induce learning, approach behavior, choices, and emotions. Whereas emotions are difficult to investigate in animals, the learning function is mediated by neuronal reward prediction error signals ...
... 853–951, 2015. Published June 24, 2015; doi:10.1152/physrev.00023.2014.—Rewards are crucial objects that induce learning, approach behavior, choices, and emotions. Whereas emotions are difficult to investigate in animals, the learning function is mediated by neuronal reward prediction error signals ...
Temporal modulation of the dynamics of neuronal networks with
... while deviations from a neuron-speci c prototypical spike train predicted slower responses of the monkeys. These deviations could be due to increased or decreased spike count, as well as to jitters in spike times. Our results support the hypothesis of a complex spatiotemporal coding of behavioral ad ...
... while deviations from a neuron-speci c prototypical spike train predicted slower responses of the monkeys. These deviations could be due to increased or decreased spike count, as well as to jitters in spike times. Our results support the hypothesis of a complex spatiotemporal coding of behavioral ad ...
By ON THE ROLE OF THE SUPERIOR COLLICULUS IN THE CONTROL... VISUALLY-GUIDED SACCADES
... and saccadic preparation interact within the SC to influence saccadic reaction time. I concluded that saccade latency was strongly dependant on the spatial representation and interaction of visual and saccade related signals in the SC. Together, these findings provide novel insight into the neural m ...
... and saccadic preparation interact within the SC to influence saccadic reaction time. I concluded that saccade latency was strongly dependant on the spatial representation and interaction of visual and saccade related signals in the SC. Together, these findings provide novel insight into the neural m ...
Branching out: mechanisms of dendritic arborization
... of class I dendritic arborization neurons33. One of these transcription factors, the BTB–zinc finger protein Abrupt, is expressed only in Class I dendritic arborization neurons. When Abrupt is ectopically expressed in class II, III or IV dendritic arborization neurons, it reduces their dendrite size ...
... of class I dendritic arborization neurons33. One of these transcription factors, the BTB–zinc finger protein Abrupt, is expressed only in Class I dendritic arborization neurons. When Abrupt is ectopically expressed in class II, III or IV dendritic arborization neurons, it reduces their dendrite size ...
MODELING THE MIRROR: GRASP LEARNING AND ACTION
... this dissertation. Other influential Computer Science professors to whom I am grateful for educating me are Nese Yalabik, Gokturk Ucoluk and Sinan Neftci. I would like to present my gratitude to Tosun Terzioglu, Albert Ekip, Turgut Onder and Semih Koray who were professors of the Mathematics Departm ...
... this dissertation. Other influential Computer Science professors to whom I am grateful for educating me are Nese Yalabik, Gokturk Ucoluk and Sinan Neftci. I would like to present my gratitude to Tosun Terzioglu, Albert Ekip, Turgut Onder and Semih Koray who were professors of the Mathematics Departm ...
Dorsal Anterior Cingulate Cortex: A Bottom-Up View
... Hoesen 1998, Van Hoesen et al. 1993, Vogt & Pandya 1987) (Figure 1a). They include prominent projections to and from the major brain systems that are associated with emotion [amygdala, hypothalamus, ventromedial prefrontal cortex (vmPFC), insula, ventral striatum], cognition and executive control (d ...
... Hoesen 1998, Van Hoesen et al. 1993, Vogt & Pandya 1987) (Figure 1a). They include prominent projections to and from the major brain systems that are associated with emotion [amygdala, hypothalamus, ventromedial prefrontal cortex (vmPFC), insula, ventral striatum], cognition and executive control (d ...
The Reorganization of Primary Auditory Cortex by Invasion of
... involves functional compensation in the affected brain area. We are interested in general mechanisms that underlie compensatory plasticity after brain damage, particularly when multiple brain areas or multiple modalities are included. In this thesis, I studied the function of auditory cortex after r ...
... involves functional compensation in the affected brain area. We are interested in general mechanisms that underlie compensatory plasticity after brain damage, particularly when multiple brain areas or multiple modalities are included. In this thesis, I studied the function of auditory cortex after r ...
Functional Microarchitecture of Cat Primary Visual Cortex
... width showed no such clustering. By investigating the temporal patterns of neighbouring neurons in response to movies, visual noise and gratings, we found that stimulus-dependent responses, called “signals”, showed only small correlations (magnitude) on short time scales (10200 ms). The strengths of ...
... width showed no such clustering. By investigating the temporal patterns of neighbouring neurons in response to movies, visual noise and gratings, we found that stimulus-dependent responses, called “signals”, showed only small correlations (magnitude) on short time scales (10200 ms). The strengths of ...
Taste, olfactory, and food reward value processing
... food texture inputs are processed in the brain, how a representation of reward value is produced and is related to subjective pleasure, how cognition and selective attention influence this value-related processing, and how decisions are taken between stimuli with different reward value. The approach ...
... food texture inputs are processed in the brain, how a representation of reward value is produced and is related to subjective pleasure, how cognition and selective attention influence this value-related processing, and how decisions are taken between stimuli with different reward value. The approach ...
On-line Optical Operant Conditioning of Cortical Activity
... Animals can learn to modify their voluntary behavior to gain rewards in the positive reinforcement form of operant conditioning. It has been shown that animals can also learn to modify neuronal activity that is directly rewarded by using electrophysiological recordings. Electrophysiological approach ...
... Animals can learn to modify their voluntary behavior to gain rewards in the positive reinforcement form of operant conditioning. It has been shown that animals can also learn to modify neuronal activity that is directly rewarded by using electrophysiological recordings. Electrophysiological approach ...
Transgenic Mouse Lines Subdivide Medial Vestibular Nucleus
... fied in GIN mice, which express EGFP in a subset of glutamic acid decarSuperscript III reverse transcriptase, and dithiothreitol (all from Invitroboxylase 67 (GAD67)-positive neurons (Oliva et al., 2000). To find a gen). Reactions were then incubated at 50°C for 1 h and 75°C for 10 min mouse line wi ...
... fied in GIN mice, which express EGFP in a subset of glutamic acid decarSuperscript III reverse transcriptase, and dithiothreitol (all from Invitroboxylase 67 (GAD67)-positive neurons (Oliva et al., 2000). To find a gen). Reactions were then incubated at 50°C for 1 h and 75°C for 10 min mouse line wi ...
Lateral Hypothalamus Contains Two Types of Palatability
... Recording sessions typically lasted less than an hour and consisted of 15–20 repeats of each of the five taste stimuli, for a total of 75–100 separate taste deliveries. We have previously shown that palatability and neural responses are stable across this length of session and volume of fluid consum ...
... Recording sessions typically lasted less than an hour and consisted of 15–20 repeats of each of the five taste stimuli, for a total of 75–100 separate taste deliveries. We have previously shown that palatability and neural responses are stable across this length of session and volume of fluid consum ...
PDF - Oxford Academic - Oxford University Press
... form are often spatially localized to the sites of their contacts with the postsynaptic dendrite. This is most clearly evident in a series of elegant experiments in which afferents to the ventral dendrites of neurons in the nucleus laminaris of the chick brainstem were cut. This elimination of excit ...
... form are often spatially localized to the sites of their contacts with the postsynaptic dendrite. This is most clearly evident in a series of elegant experiments in which afferents to the ventral dendrites of neurons in the nucleus laminaris of the chick brainstem were cut. This elimination of excit ...
The Role of Temporal Structure in Human Vision
... the visual system derive spatial structure solely on the basis of temporal structure without discontinuities in static properties? and (c) What properties of temporal structure are critical for the visual system to group or segregate visual components? From the outset, we wish to stress the distinct ...
... the visual system derive spatial structure solely on the basis of temporal structure without discontinuities in static properties? and (c) What properties of temporal structure are critical for the visual system to group or segregate visual components? From the outset, we wish to stress the distinct ...
Impact of prefrontal cortex in nicotine
... we have evaluated the effects of systemic nicotine on VTA DA neuronal Functionally, the mPFC and VTA have been shown to be firing, and our data show that, under chloral hydrate anesthesia, systemic closely coupled (Peters et al., 2004; Gao et al., 2007). Stimulation nicotine exposure excites all rec ...
... we have evaluated the effects of systemic nicotine on VTA DA neuronal Functionally, the mPFC and VTA have been shown to be firing, and our data show that, under chloral hydrate anesthesia, systemic closely coupled (Peters et al., 2004; Gao et al., 2007). Stimulation nicotine exposure excites all rec ...
Coincidence Detection or Temporal Integration?
... however, and did not reconstruct the SII neuronal recording sites with respect to the cortical layers. Cutaneous stimulation. We have shown previously that thalamic and cortical neurons that are sensitive to hair movements can be activated by computer-controlled airjets (Johnson and Alloway, 1994, 1 ...
... however, and did not reconstruct the SII neuronal recording sites with respect to the cortical layers. Cutaneous stimulation. We have shown previously that thalamic and cortical neurons that are sensitive to hair movements can be activated by computer-controlled airjets (Johnson and Alloway, 1994, 1 ...
NIH Public Access
... Delay-tuned neurons occur in auditory systems of many bat species (Pteronotus parnellii, O'Neill and Suga 1979, Suga et al., 1979; Myotis lucifugus, Sullivan 1982a,b; Eptesicus fuscus, Dear et al., 1993; Feng et al., 1978), Rhinolophus rouxi, Schuller et al., 1988, 1991; Carollia perspicillata, Hage ...
... Delay-tuned neurons occur in auditory systems of many bat species (Pteronotus parnellii, O'Neill and Suga 1979, Suga et al., 1979; Myotis lucifugus, Sullivan 1982a,b; Eptesicus fuscus, Dear et al., 1993; Feng et al., 1978), Rhinolophus rouxi, Schuller et al., 1988, 1991; Carollia perspicillata, Hage ...
View PDF - MRC BNDU - University of Oxford
... number of neurons per segment in each animal by the total segment volume, then taking the mean across animals. For sections processed by both in situ hybridization and IHC, we could not use an optical fractionator as the silver grains revealing the bound probes do not penetrate into the tissue. Inst ...
... number of neurons per segment in each animal by the total segment volume, then taking the mean across animals. For sections processed by both in situ hybridization and IHC, we could not use an optical fractionator as the silver grains revealing the bound probes do not penetrate into the tissue. Inst ...
CURRICULUM VITAE - Test - University of South Florida
... modulation, cycle triggered histograms, cross correlograms, spike triggered average histograms, and the gravity method) and computer simulations of neural networks inferred from in vivo data. TEACHING: To paraphrase one of our greatest teachers, Isaac Asimov, the contribution I can make in research ...
... modulation, cycle triggered histograms, cross correlograms, spike triggered average histograms, and the gravity method) and computer simulations of neural networks inferred from in vivo data. TEACHING: To paraphrase one of our greatest teachers, Isaac Asimov, the contribution I can make in research ...
Vol 431 No 7010 pp723-882
... Neuromodulators such as dopamine have a central role in cognitive disorders. In the past decade, biological findings on dopamine function have been infused with concepts taken from computational theories of reinforcement learning. These more abstract approaches have now been applied to describe the ...
... Neuromodulators such as dopamine have a central role in cognitive disorders. In the past decade, biological findings on dopamine function have been infused with concepts taken from computational theories of reinforcement learning. These more abstract approaches have now been applied to describe the ...
Propofol Inhibits Neuronal Firing Activities in the Caudal
... Address for reprints: Dr. Peter PC Tan, Department of Anesthesiology, Chang Gung Memorial Hospital. 5, Fushing Street, Gueishan Shiang, Taoyuan, Taiwan 333, R.O.C. Tel.: 886-3-3281200 ext. 3623; Fax: 886-3-3281200 ext. 2793 ...
... Address for reprints: Dr. Peter PC Tan, Department of Anesthesiology, Chang Gung Memorial Hospital. 5, Fushing Street, Gueishan Shiang, Taoyuan, Taiwan 333, R.O.C. Tel.: 886-3-3281200 ext. 3623; Fax: 886-3-3281200 ext. 2793 ...
The Dialectics of Hebb and Homeostasis within
... 2008; Keck et al., 2013; Hengen et al 2013). In the rodent V1 this process of rebalancing activity unfolds slowly, over a time scale of hours to days, which is likely fast enough to compensate for most perturbations these networks normally encounter during experience-dependent development. However, ...
... 2008; Keck et al., 2013; Hengen et al 2013). In the rodent V1 this process of rebalancing activity unfolds slowly, over a time scale of hours to days, which is likely fast enough to compensate for most perturbations these networks normally encounter during experience-dependent development. However, ...