IOSR Journal of Computer Engineering (IOSR-JCE)
... neurons are connected to other neurons via a structure called a dendrite. The dendrites receive information from other neurons via axons. At the end of a dendrite is a synapse which converts axon activity into electrical signals which inhibit or excite activity in the connected neurons. When a neuro ...
... neurons are connected to other neurons via a structure called a dendrite. The dendrites receive information from other neurons via axons. At the end of a dendrite is a synapse which converts axon activity into electrical signals which inhibit or excite activity in the connected neurons. When a neuro ...
Retinal ganglion cell synchronization by fixational eye movements
... networks, discriminant analysis or linear decoders1–6. For a completely stationary stimulus, the activity in the visual system is largely reduced, however, because this system responds mainly to changes7,8. This is consistent with the observation that visual perception fades away when the image of a ...
... networks, discriminant analysis or linear decoders1–6. For a completely stationary stimulus, the activity in the visual system is largely reduced, however, because this system responds mainly to changes7,8. This is consistent with the observation that visual perception fades away when the image of a ...
EVOLUTIONARY AUTONOMOUS AGENTS: A NEUROSCIENCE
... interneurons. Finally, the synaptic connections formed in some of the evolved agents were, at least to some extent, similar to those observed in the real lamprey12. These results were obtained using fitness (optimization) functions that explicitly express the desired outcome. However, interesting bi ...
... interneurons. Finally, the synaptic connections formed in some of the evolved agents were, at least to some extent, similar to those observed in the real lamprey12. These results were obtained using fitness (optimization) functions that explicitly express the desired outcome. However, interesting bi ...
Neuronal Activity in the Hippocampus During Delayed Non
... S + trial) and a “go” water port response ( R + ) was rewarded; on the other half of the trials the odor was the same as that presented on the preceding trial (a match or S - trial) and, since water port responses on these trials were not reinforced, the correct response was a “no go” to the water p ...
... S + trial) and a “go” water port response ( R + ) was rewarded; on the other half of the trials the odor was the same as that presented on the preceding trial (a match or S - trial) and, since water port responses on these trials were not reinforced, the correct response was a “no go” to the water p ...
Imitation, Empathy, and Mirror Neurons
... which we can observe our own arm and hand reach and grasp for objects surrounding us. Also, mirrors and other reflecting surfaces allow the observation of one’s own facial and body movement as if they were performed by somebody else. Furthermore, early in human development, adults tend to imitate the ...
... which we can observe our own arm and hand reach and grasp for objects surrounding us. Also, mirrors and other reflecting surfaces allow the observation of one’s own facial and body movement as if they were performed by somebody else. Furthermore, early in human development, adults tend to imitate the ...
Modulation of Neuronal Activity in the Monkey Putamen Associated
... significant changes in activity by using a sliding time window procedure that has been described previously (Sardo et al. 2000). Briefly, baseline activity was determined in the 1-s period that preceded the onset of the cue, called the “control period.” A test window of 100 ms was moved in steps of ...
... significant changes in activity by using a sliding time window procedure that has been described previously (Sardo et al. 2000). Briefly, baseline activity was determined in the 1-s period that preceded the onset of the cue, called the “control period.” A test window of 100 ms was moved in steps of ...
Neural analysis of sound frequency in insects
... resulting in more efficient summation of their individual potentials. If this were the case, low-frequency CAPs would be expected to be shorter in duration, but they are not (Fig. 3C). The difference in CAP amplitude thus arises simply because more receptors respond to low frequencies than to ultras ...
... resulting in more efficient summation of their individual potentials. If this were the case, low-frequency CAPs would be expected to be shorter in duration, but they are not (Fig. 3C). The difference in CAP amplitude thus arises simply because more receptors respond to low frequencies than to ultras ...
Anat3_08_Autonomic_Nervous_System1
... the parasympathetic nervous system (PSNS) and sympathetic nervous system (SNS). For some functions these systems operate independently and for others they operate cooperatively. In many cases the PSNS and SNS have opposite actions with one activating a physiological response and the other inhibi ...
... the parasympathetic nervous system (PSNS) and sympathetic nervous system (SNS). For some functions these systems operate independently and for others they operate cooperatively. In many cases the PSNS and SNS have opposite actions with one activating a physiological response and the other inhibi ...
Striate cortex increases contrast gain of macaque LGN neurons
... drifting sine-wave gratings modulated in luminance before, during, and after reversible cooling of the ipsilateral striate cortex. In addition, we were also able to hold a subset of five parvocellular neurons long enough after the luminance studies were completed to carry out a second cooling cycle ...
... drifting sine-wave gratings modulated in luminance before, during, and after reversible cooling of the ipsilateral striate cortex. In addition, we were also able to hold a subset of five parvocellular neurons long enough after the luminance studies were completed to carry out a second cooling cycle ...
Preprint - University of Pennsylvania School of Arts and Sciences
... short blocks of trials and we presented the same images as both targets and distractors in different blocks that were repeated several times. As monkeys performed this task, we recorded neural responses in IT or PRh using multichannel probes. To quantify the population response on any given trial, w ...
... short blocks of trials and we presented the same images as both targets and distractors in different blocks that were repeated several times. As monkeys performed this task, we recorded neural responses in IT or PRh using multichannel probes. To quantify the population response on any given trial, w ...
Neural Control of Breathing (By Mohit Chhabra)
... This group of neurons emits repetitive bursts of inspiratory neuronal action potentials. ...
... This group of neurons emits repetitive bursts of inspiratory neuronal action potentials. ...
1 1 1 1 - UPM ASLab
... The Φ calculation has to be done for all subsets and all cuts in all subsets to discover the least Φ which is the Φ for the whole network. Gamez has shown that to predict the Φ of a 30-neuron network it would take a state-of-the-art computer 1010 years (!) ...
... The Φ calculation has to be done for all subsets and all cuts in all subsets to discover the least Φ which is the Φ for the whole network. Gamez has shown that to predict the Φ of a 30-neuron network it would take a state-of-the-art computer 1010 years (!) ...
Reflexes. Reaction time.
... sensory stimulus and the subsequent behavioral response • RT is fastest when there is only one possible response (simple reaction time) and becomes slower as additional response options are added (choice reaction time) • RT is slowing as the number of synapses increases • simplest reaction to stimul ...
... sensory stimulus and the subsequent behavioral response • RT is fastest when there is only one possible response (simple reaction time) and becomes slower as additional response options are added (choice reaction time) • RT is slowing as the number of synapses increases • simplest reaction to stimul ...
OLED_Optogenetics_abstract_v3_wo_links
... source with the activation spectrum of the used channelrhodopsin. Figure 2c shows the emission spectrum of the OLED in forward direction. The emission shows two peaks at 465 nm and 493 nm and the maximum of the spectrum is located at the maximum of the activation spectrum of the channelrhodopsin ChR ...
... source with the activation spectrum of the used channelrhodopsin. Figure 2c shows the emission spectrum of the OLED in forward direction. The emission shows two peaks at 465 nm and 493 nm and the maximum of the spectrum is located at the maximum of the activation spectrum of the channelrhodopsin ChR ...
A multi-level account of selective attention
... late selection models clearly predict an effect of incompatible distractors, regardless of the attentional focus. However, it appears that these claims against late selection rest on the assumption that the dependent measure is sensitive to a subtle influence of distractors. Indeed, using a differen ...
... late selection models clearly predict an effect of incompatible distractors, regardless of the attentional focus. However, it appears that these claims against late selection rest on the assumption that the dependent measure is sensitive to a subtle influence of distractors. Indeed, using a differen ...
Computational principles underlying recognition
... important processing module. Several types of local neurons have been described; some of them exist as twins or triplets (Römer and Marquart 1984; Stumpner 1988; Stumpner and Ronacher 1991, 1994; Stumpner et al. 1991; Boyan 1992, 1999). Local neurons perform first processing steps and then transmit ...
... important processing module. Several types of local neurons have been described; some of them exist as twins or triplets (Römer and Marquart 1984; Stumpner 1988; Stumpner and Ronacher 1991, 1994; Stumpner et al. 1991; Boyan 1992, 1999). Local neurons perform first processing steps and then transmit ...
Zwicker Tone Illusion and Noise Reduction in the Auditory System
... The Zwicker tone as a transient auditory sensation is often thought of as a short-term tinnitus. Tinnitus, on the other hand, is a long-term auditory phantom percept. Central tinnitus and Zwicker tone are related in that both can be perceived as a pure tone that is generated in the central auditory ...
... The Zwicker tone as a transient auditory sensation is often thought of as a short-term tinnitus. Tinnitus, on the other hand, is a long-term auditory phantom percept. Central tinnitus and Zwicker tone are related in that both can be perceived as a pure tone that is generated in the central auditory ...
Different Stimuli, Different Spatial Codes: A Visual Map and an
... periphery. This coding format discrepancy therefore poses a potential problem for brain regions responsible for representing both visual and auditory information. Here, we investigated the coding of auditory space in the primate superior colliculus(SC), a structure known to contain visual and oculom ...
... periphery. This coding format discrepancy therefore poses a potential problem for brain regions responsible for representing both visual and auditory information. Here, we investigated the coding of auditory space in the primate superior colliculus(SC), a structure known to contain visual and oculom ...
