Especially in the higher cortical areas, the sensory neurons reflect such functional capacity in their selectivity for complex ... characterizing and predicting the response patterns of these neurons represents a formidable computational challenge. I will ... that can characterize both the shape selectivity and the range of position invariance from neural responses to natural stimuli. ...
Two visual stimuli, a color stimulus as Cue1 followed by a pattern stimulus as Cue2, were sequentially presented. Each pattern ... In the task, two visual stimuli, a color stimulus as Cue1 followed by a pattern stimulus as Cue2, were sequentially presented. ... This neuron did not respond at the time of reward delivery. B, Activity of the identical neuron depicted in A during a free- ... We investigated how neurons in the perirhinal cortex represent reward conditions upon presentation of two visual stimuli in ...
All MSO neurons are principal neurons. Figure 3A-D illustrates four example brainstem slices with reconstructed neurons. The ... 3A-D, black neurons). The axons of oscillator and tonic neurons (Fig. 3A-D, blue and red neurons) took a similar path. Many ... 3C, topmost neuron, D, most ventral phasic neuron). This pattern was also seen in oscillator neurons (Fig. 3A,C) and tonic ... 1D). Any MSO neuron that fired repetitively and displayed a two-phase AHP was considered a tonic neuron. Tonic neurons (n = 50 ...
We use ConvNet units as in silico models of neurons, enabling experiments that would be prohibitive with biological neurons. We ... combined a generative neural network and a genetic algorithm in a closed loop to create strong stimuli for neurons in the ... The characterization of effective stimuli has traditionally been based on a combination of intuition, insights from previous ... and robust algorithm for uncovering neuronal tuning preferences using a vast and diverse stimulus space. XDream is implemented ...
... Learning To Make Exterior Sensory Stimulus Predictions Utilizing Inner Correlations In Populations Of Neurons. ... Learning To Make Exterior Sensory Stimulus Predictions Utilizing Inner Correlations In Populations Of Neurons. ... Hentet fra "https://geowiki.wegge.dk/wiki/Learning_To_Make_Exterior_Sensory_Stimulus_Predictions_Utilizing_Inner_Correlations_ ...
Calcium imaging from the excitatory dendritic field of the LGMD neuron in locusts. Correspondence with membrane potential and ... Pre-Synaptic Muscarinic Excitation Enhances the Discrimination of Looming Stimuli in a Collision Detection Neuron. Published:. ... Calcium imaging from the excitatory dendritic field of the LGMD neuron in locusts. Correspondence with membrane potential and ...
Whereas somatostatin-expressing inhibitory neurons are driven by these large stimuli, inhibitory neurons that express ... neurons have been identified that are excited by stimuli outside their ffRF3-8. However, the mechanisms that generate ... excitation to stimuli outside the ffRF are unclear. Here we show that feedback projections onto excitatory neurons in the mouse ... Neurons with fbRFs are located in cortical layers that receive strong feedback projections and are absent in the main input ...
Looming neurons respond to the rapid growth of looming stimuli. We found that the descending neurons that we have referred to ... b The responses of the same neurons to a luminance matched control. c The responses of the same neurons to a looming stimulus ... Descending neurons synapse with motor neurons or with interneurons that themselves connect with motor neurons ( ... Only looming neurons are tuned to looming stimuli. a The response to the appearance of a disc with a diameter of 117°. Row i ...
Cue-Evoked Firing of Nucleus Accumbens Neurons Encodes Motivational Significance during a Discriminative Stimulus Task. ... Cue-Evoked Firing of Nucleus Accumbens Neurons Encodes Motivational Significance during a Discriminative Stimulus Task. ...
The stimulus-response model is a characterization of a statistical unit (such as a neuron). The model allows the prediction of ... In psychology, stimulus response theory forms classical conditioning in which a stimulus becomes a paired response in a ... stimulus, organism, and response. Assuming that stimuli contained in the external environment cause people to change, which ... One example of a logit model for the probability of a response to the real input (stimulus) x {\displaystyle x} , ( x ∈ R {\ ...
How does a stimulus journey by a neuron. en-us April 23, 2022 News 104 Views ... Every neuron receives an impulse and should cross it on to the subsequent neuron and ensure the proper impulse continues on its ... Stimulus Updates To Know for Spring 2022. Stimulus funds got here in waves, and because the pandemic lengthened, it virtually ... which is basically the receptor on the receiving neuron.By a series of chemical occasions, the dendrites (a part of a neuron) ...
Dive into the research topics of Distinct prestimulus and poststimulus activation of VTA neurons correlates with stimulus ... Distinct prestimulus and poststimulus activation of VTA neurons correlates with stimulus detection. ...
Here we show how known sources of spike count variability affect stimulus-evoked spike time patterns between neurons separated ... On subsets of trials (clusters) and after controlling for stimulus-response adaptation, spike time differences between pairs of ... Multi-neuron patterns of single spikes are a prime candidate for spike time encoding but their temporal variability requires ... Firstly, for each stimulus condition and each pair of neurons, the first spike times of the first and second neuron in the pair ...
Common models for stimulus-induced learning within topographic representations are based on the stimulis spatial structure and ... Early sensory cortices are subject to stimulus-induced modifications. ... Stimulus representation is a functional interpretation of early sensory cortices. ... Neurons / physiology * Physical Stimulation * Psychophysics * Somatosensory Cortex / cytology * Somatosensory Cortex / growth ...
The findings of this study link restricted sleep and susceptibility to food stimuli and are consistent with the notion that ... Sleep restriction leads to increased activation of brain regions sensitive to food stimuli Am J Clin Nutr. 2012 Apr;95(4):818- ... Conclusion: The findings of this study link restricted sleep and susceptibility to food stimuli and are consistent with the ... Results: Overall neuronal activity in response to food stimuli was greater after restricted sleep than after habitual sleep. In ...
... introduction of a parafoveal ineffective face stimulus decreased the responses of these neurons to an effective face stimulus ... The responses of single neurons in the temporal visual cortical areas of the macaque when more than one stimulus is present in ... The responses of single neurons in the temporal visual cortical areas of the macaque when more than one stimulus is present in ... Neurons in the temporal visual cortical areas of primates have large receptive fields, which can show considerable selectivity ...
Neuron. 31:661- 668.. Schiffman, S.S., Sattely Miller, E.A., Suggs, M.S., Graham, B.G. (1995). The effect of pleasant odors and ... There were no significant session order (stimulus-control vs. control-. stimulus) differences in PSG measures for the whole ... stimuli presented in sleep. Physiol. Behav. 48:87-90.. Becker, E., Hummel, T., Piel, E., Pauli, E., Kobal, G., Hautzinger, M. ( ... and sensory stimuli for modulating the release of specific sleep-inducing. substances that promote deep sleep (Garcı´a-Garcı´a ...
Neuron, 91(1), 19-23.. Article PubMed Google Scholar *. Gillan, C. M., Kalanthroff, E., Evans, M., Weingarden, H. M., Jacoby, R ... ρ = 0.78, p , 0.001), while the least reliable was the Pink Noise stimulus (ρ = 0.56, p , 0.001) (Supplementary Fig. S2). ... As these sound stimuli are commonly utilized in tasks examining these psychopathologies (Duits et al., 2015; Hauser et al., ... The sound stimuli of the headphone check task were presented in randomized order. Participants were required to answer at least ...
Synaptic inputs from stroke-injured brain to grafted human stem cell-derived neurons activated by sensory stimuli. In: Brain. ... Synaptic inputs from stroke-injured brain to grafted human stem cell-derived neurons activated by sensory stimuli. Brain. 2017 ... Synaptic inputs from stroke-injured brain to grafted human stem cell-derived neurons activated by sensory stimuli. / Tornero, ... title = "Synaptic inputs from stroke-injured brain to grafted human stem cell-derived neurons activated by sensory stimuli", ...
Observations obtained from infected primary neurons or mouse brain samples are more relevant to human clinical rabies than ... To better understand RABV pathogenesis in humans, we generated human-induced pluripotent stem cell (hiPSC)-derived neurons to ... This study describes the characteristics and detailed proteomic changes of hiPSC-derived neurons in response to RABV infection ... Our findings acquired from this hiPSC-derived neuron platform help to define novel cellular mechanisms during RABV infection, ...
Memoryless Optimality: Neurons Do Not Need Adaptation to Optimally Encode Stimuli With Arbitrarily Complex Statistics. Neural ... Memoryless Optimality : Neurons Do Not Need Adaptation to Optimally Encode Stimuli With Arbitrarily Complex Statistics. In: ... Memoryless Optimality: Neurons Do Not Need Adaptation to Optimally Encode Stimuli With Arbitrarily Complex Statistics. / ... Memoryless Optimality: Neurons Do Not Need Adaptation to Optimally Encode Stimuli With Arbitrarily Complex Statistics. ...
These data give further insight into the mechanosensitive ion channels expressed by somatosensory neurons and suggest FM dyes ... permeates mechanosensitive ion channels in cultured dorsal root ganglion neurons, resulting in blockade of three previously ... The molecular identity and pharmacological properties of mechanically gated ion channels in sensory neurons are poorly ... B) Example images of a neuron (light field image, top left) following 10, 20 and 30 mechanical stimuli. N.B. the dye does not ...
Few studies have revealed that depending upon the nature of stimuli, excitation of the corresponding sensory region also evokes ... Indeed, we found a shift in orientation tuning of neurons indicated by Gaussian tuning fits in both scenarios. These results ... To this aim, through electrophysiology in cats, we explored that visual neurons, throughout the cortical column, have a ... tendency to alter their inherent properties even when presented a non-visual stimulus. Furthermore, it was explored in mice, ...
Since responses of SA neurons increase with the intensity of the stimulus, one may thus expect that a contact will be better ... They show that SA neurons fire at higher rates (≈ 16 Hz) than FA neurons (≈ 6 Hz) for the whisking in air. Once whiskers ... It has indeed been shown that FA neurons display more quiescent periods than SA neurons during whisking in air (Leiser and ... The role of spike timing in the coding of stimulus location in rat somatosensory cortex. Neuron 29, 769-777. doi: 10.1016/S0896 ...
Where is it? Deriving Stimulus Location from the Responses of Visual Neurons. Advisor: R. Clay Reid. ... Amphetamine-Induced Adaptations in Striatal Neurons: Roles of Serotonin and Conditioned Stimuli. Advisor: Steven Hyman. ... Protein Targeting in Neurons. Advisor: Kathleen Buckley. 1997. Bruce, Ashley. Characterization of an orthodenticle Homolog in ... Non-linear Stimulus Integration in Olfactory Computation. Advisor: Rachel Wilson. Bogart, Luke Joseph. Synaptic specificity and ...
This effect added to the impact of the current stimulus. We conclude that the build-up of action plans in human motor cortical ... Pyramidal neurons, a mainstay of cortical regions, receive a plethora of inputs from various areas onto their morphologically ... To elucidate the contribution of each tree to the encoding of visual stimuli at the somatic level, we modeled the response ... This model provides evidence for synergistic computations taking place in the basal and apical trees of the L2/3 V1 neuron ...
A discrete population of genetically accessible pretectal neurons controls visually guided hunting behaviour in larval ... Stimulus and motor-triggered calcium responses.. (A-B) Visual stimulus-aligned (A) and eye convergence-aligned (B) ΔF/F0 ... G) Schematic of the visuomotor vector (VMV) generated for each neuron. (H) VMVs of all clustered neurons (N = 93,054 neurons ... J) Stimulus-aligned activity during non-response (top) and response (bottom) trials for neurons in selected clusters (indicated ...
Youre, of course, asking, "Which neurons did what, ten milliseconds before?" but youre also asking, "What sensory stimuli in ... Show me that what they did was completely impervious to what was going on in any other neuron surrounding them, but at the same ... Show me, lets examine those three-and-a-half neurons that just did that. ... and you could probably even identify the three-and-a-half neurons in the motor cortex that sent that command to your muscles. ...