Enhanced intrinsic excitability and EPSP
... induction of LTP. EE also reduced spiking threshold and after-hyperpolarization ...
... induction of LTP. EE also reduced spiking threshold and after-hyperpolarization ...
Continuous transformation learning of translation
... forms of feedforward neural network, with different forms of associative learning rule or different ways of implementing competition between neurons within each layer. ...
... forms of feedforward neural network, with different forms of associative learning rule or different ways of implementing competition between neurons within each layer. ...
Kazumi TAKAHASHI†*, Jian-Sheng LIN† and Kazuya - HAL
... similar treatment of POA/BFB neurons leads to insomnia (Lin et al., 1989; McGinty and Sterman, 1968; Sakai et al., 1990; Sallanon et al., 1989). The existence of sleep-promoting mechanisms in the POA and wakingpromoting mechanisms in the PH has been demonstrated by a variety of experimental studies, ...
... similar treatment of POA/BFB neurons leads to insomnia (Lin et al., 1989; McGinty and Sterman, 1968; Sakai et al., 1990; Sallanon et al., 1989). The existence of sleep-promoting mechanisms in the POA and wakingpromoting mechanisms in the PH has been demonstrated by a variety of experimental studies, ...
The Role of NMDA and Non-NMDA Excitatory Amino Acid
... digital storage oscilloscopes and fed to a window discriminator interfaced with a computer for data storage and later analysis. Spike size and configuration were continuously monitored on the digital oscilloscope to confirm that activity of the same cell was recorded throughout the experiment. This ...
... digital storage oscilloscopes and fed to a window discriminator interfaced with a computer for data storage and later analysis. Spike size and configuration were continuously monitored on the digital oscilloscope to confirm that activity of the same cell was recorded throughout the experiment. This ...
Coordinated Interaction between Hippocampal Sharp
... cingulate cortex (ACC) has been shown to be crucial for expression and likely storage of long-term memory. However, little is known about how ACC activity is influenced by hippocampal ripple activity during sleep. We report here about coordinated interactions between hippocampal ripple activity and ...
... cingulate cortex (ACC) has been shown to be crucial for expression and likely storage of long-term memory. However, little is known about how ACC activity is influenced by hippocampal ripple activity during sleep. We report here about coordinated interactions between hippocampal ripple activity and ...
Neurophysiological investigation of the basis of the fMRI signal
... intracortical recordings of neural signals and fMRI responses. We compared local ®eld potentials (LFPs), single- and multi-unit spiking activity with highly spatio-temporally resolved blood-oxygen-level-dependent (BOLD) fMRI responses from the visual cortex of monkeys. The largest magnitude changes ...
... intracortical recordings of neural signals and fMRI responses. We compared local ®eld potentials (LFPs), single- and multi-unit spiking activity with highly spatio-temporally resolved blood-oxygen-level-dependent (BOLD) fMRI responses from the visual cortex of monkeys. The largest magnitude changes ...
Activity in the Lateral Prefrontal Cortex Reflects Multiple Steps of
... In contrast, the activity of only 27 PFC neurons was related to arm movements. Among the remaining neurons that were not significantly modulated during the preparatory period, 267 neurons were active during the movement execution period. We found that 236 out of the 267 neurons were related to the c ...
... In contrast, the activity of only 27 PFC neurons was related to arm movements. Among the remaining neurons that were not significantly modulated during the preparatory period, 267 neurons were active during the movement execution period. We found that 236 out of the 267 neurons were related to the c ...
Learning place cells, grid cells and invariances: A unifying model
... within minutes [4]. Moreover, grid cells react quickly to changes in the environment [42–44]. These observations challenge models for grid cells that require gradual synaptic changes during spatial exploration. In principle, the time scale of plasticitybased models can be augmented arbitrarily by in ...
... within minutes [4]. Moreover, grid cells react quickly to changes in the environment [42–44]. These observations challenge models for grid cells that require gradual synaptic changes during spatial exploration. In principle, the time scale of plasticitybased models can be augmented arbitrarily by in ...
PRIMARY VISUAL CORTEX NEURONS THAT CONTRIBUTE TO
... directions. The width of the bar was determined by the neuron’s preferred spatial frequency, and the length of the bar was varied from two to eight times CRF diameter. The start and finish positions of the drifting bar were also adjusted according to the global direction to ensure that the center of ...
... directions. The width of the bar was determined by the neuron’s preferred spatial frequency, and the length of the bar was varied from two to eight times CRF diameter. The start and finish positions of the drifting bar were also adjusted according to the global direction to ensure that the center of ...
Article PDF
... Spatial analysis of retrovirally labeled cells Although clonal analysis with PCR provides more definitive information about clonal relationships, the distribution of retrovirally labeled neurons gives general information about whether labeled cells cluster and has been used in the past to infer clon ...
... Spatial analysis of retrovirally labeled cells Although clonal analysis with PCR provides more definitive information about clonal relationships, the distribution of retrovirally labeled neurons gives general information about whether labeled cells cluster and has been used in the past to infer clon ...
Response Properties of Neighboring Neurons in the
... auditory system to characterize single-unit responses. In particular, we looked at the frequency selectivity as defined by best frequency and the width of the frequency tuning; we looked at both the pure tone threshold and level-dependency; we characterized the temporal discharge patterns elicited b ...
... auditory system to characterize single-unit responses. In particular, we looked at the frequency selectivity as defined by best frequency and the width of the frequency tuning; we looked at both the pure tone threshold and level-dependency; we characterized the temporal discharge patterns elicited b ...
A simulation of parahippocampal and hippocampal structures guiding spatial navigation of
... and Steward, 1983; Bi and Poo, 1998; Markram et al., 1997), with no LTP occurring at delays of 100 msec (Markram et al, 1997; Bi and Poo, 1998). In the neural simulations presented here, these time courses have been utilized explicitly as a synaptic modification function, with a duration of about 35 ...
... and Steward, 1983; Bi and Poo, 1998; Markram et al., 1997), with no LTP occurring at delays of 100 msec (Markram et al, 1997; Bi and Poo, 1998). In the neural simulations presented here, these time courses have been utilized explicitly as a synaptic modification function, with a duration of about 35 ...
Investigating circadian rhythmicity in pain sensitivity using
... There is a long history to understanding how the body perceives pain, including many conflicting theories. Today’s main theory of pain, the gate control theory of pain, was developed in 1965 by Ronald Melzack and Charles Patrick Wall [20]. These researchers revolutionized the understanding of the pa ...
... There is a long history to understanding how the body perceives pain, including many conflicting theories. Today’s main theory of pain, the gate control theory of pain, was developed in 1965 by Ronald Melzack and Charles Patrick Wall [20]. These researchers revolutionized the understanding of the pa ...
Guided outgrowth of leech neurons in culture
... ECM protein resembles guidance of DRG neurons [6, 7]. The length of guided neurites, however, is hundreds of micrometers, i.e. distinctly longer than reported for DRG neurons. Leech neurons do not grow on irradiated substrate in contrast to the DRG neurons [6]. The difference may be due to a higher ...
... ECM protein resembles guidance of DRG neurons [6, 7]. The length of guided neurites, however, is hundreds of micrometers, i.e. distinctly longer than reported for DRG neurons. Leech neurons do not grow on irradiated substrate in contrast to the DRG neurons [6]. The difference may be due to a higher ...
Brain Research, 178 (1979) 363-380 363 © Elsevier/North
... of IT (see Fig. 1C and D). Within this area 67 ~ of the 56 receptive fields were larger than 60 ° × 60 °. The second region with larger receptive fields was the dorsal part of IT, specifically, the floor of the superior temporal sulcus and the adjacent 2 mm of the bottom of the ventral bank of the s ...
... of IT (see Fig. 1C and D). Within this area 67 ~ of the 56 receptive fields were larger than 60 ° × 60 °. The second region with larger receptive fields was the dorsal part of IT, specifically, the floor of the superior temporal sulcus and the adjacent 2 mm of the bottom of the ventral bank of the s ...
Rebound spiking properties of mouse medial entorhinal cortex neurons in vivo NEUROSYSTEMS
... et al., 2012). Thus, inhibitory input to MEC cells may elicit subsequent spikes due to rebound depolarizations that cause rebound spikes. Rebound spikes may be integrated into a mechanism for generating theta cycle skipping (Jeffery et al., 1995; Brandon et al., 2013) and grid cell activity as demon ...
... et al., 2012). Thus, inhibitory input to MEC cells may elicit subsequent spikes due to rebound depolarizations that cause rebound spikes. Rebound spikes may be integrated into a mechanism for generating theta cycle skipping (Jeffery et al., 1995; Brandon et al., 2013) and grid cell activity as demon ...
Frontal Eye Fields - Psychological Sciences
... including the superior colliculus, produce signals necessary to produce saccadic eye movements. Saccades are initiated when the activity of movement-related neurons reaches a threshold (Fig. 2). Variability in saccade latency can be accounted for by the time taken to reach this threshold. If an inte ...
... including the superior colliculus, produce signals necessary to produce saccadic eye movements. Saccades are initiated when the activity of movement-related neurons reaches a threshold (Fig. 2). Variability in saccade latency can be accounted for by the time taken to reach this threshold. If an inte ...
PERSPECTIVES
... particular action (for example, when grasping an object or holding it), and when it observes another individual (monkey or human) making a similar action (FIG. 1). Typically, mirror neurons do not respond to the sight of a hand mimicking an action in the absence of the target. Similarly, they do not ...
... particular action (for example, when grasping an object or holding it), and when it observes another individual (monkey or human) making a similar action (FIG. 1). Typically, mirror neurons do not respond to the sight of a hand mimicking an action in the absence of the target. Similarly, they do not ...