A PRIMER ON EEG AND RELATED MEASURES OF BRAIN ACTIVITY
... "alpha desynchronization", as the disappearance of the alpha rhythm is called. However, whatever more there was, was hard to discern, because it mixed with the on-going background EEG. For a better view the method of signal averaging was applied. This method is based on the idea that the background ...
... "alpha desynchronization", as the disappearance of the alpha rhythm is called. However, whatever more there was, was hard to discern, because it mixed with the on-going background EEG. For a better view the method of signal averaging was applied. This method is based on the idea that the background ...
Primate Red Nucleus Discharge Encodes the Dynamics of Limb
... The observation that movement offset latencies were shifted toward or even beyond zero was typical of most cells and has been described before (Gibson et al. 1985b). Measurements we made from a group of 20 strongly correlated neurons from monkey AL revealed a mean onset latency of 100 ms and a mean ...
... The observation that movement offset latencies were shifted toward or even beyond zero was typical of most cells and has been described before (Gibson et al. 1985b). Measurements we made from a group of 20 strongly correlated neurons from monkey AL revealed a mean onset latency of 100 ms and a mean ...
Non-NMDA and NMDA receptors transmit area postrema input to
... where baroreceptor afferent signals are first integrated in the CNS (22). This proposal is supported by data obtained from extracellular recordings in the rabbit showing that AP neurons make excitatory synapses on NTS neurons in the aortic baroreceptor afferent pathway (5). Moreover, when the inputs ...
... where baroreceptor afferent signals are first integrated in the CNS (22). This proposal is supported by data obtained from extracellular recordings in the rabbit showing that AP neurons make excitatory synapses on NTS neurons in the aortic baroreceptor afferent pathway (5). Moreover, when the inputs ...
experimental models for neurodegenerative diseases
... Studies conducted in the past decades on experimental models have provided the basis for most of our current knowledge on the pathogenic and pathophysiological mechanisms of neurodegeneration. Nevertheless, a considerable hiatus remains between the significant advances made in the understanding of t ...
... Studies conducted in the past decades on experimental models have provided the basis for most of our current knowledge on the pathogenic and pathophysiological mechanisms of neurodegeneration. Nevertheless, a considerable hiatus remains between the significant advances made in the understanding of t ...
Reticular activating system of a central pattern generator
... coefficient method was used to test for significant correlations between the brainstem OSP and the spinal CDP (P < 0.01). Change point of neuronal onset and offset Off-line data analysis was performed using a sliding window procedure, similar to the procedure used by Apicella et al. (1992). In this ...
... coefficient method was used to test for significant correlations between the brainstem OSP and the spinal CDP (P < 0.01). Change point of neuronal onset and offset Off-line data analysis was performed using a sliding window procedure, similar to the procedure used by Apicella et al. (1992). In this ...
Mushroom body efferent neurons responsible for aversive olfactory
... the α′/β′ neurons13 and a long-term one in α-lobes14. The output of the α/β neurons is necessary for the retrieval of all phases of olfactory memory15,16, but the neural circuits that translate the associative memory trace in the mushroom body into conditioned odor avoidance remain unknown. To under ...
... the α′/β′ neurons13 and a long-term one in α-lobes14. The output of the α/β neurons is necessary for the retrieval of all phases of olfactory memory15,16, but the neural circuits that translate the associative memory trace in the mushroom body into conditioned odor avoidance remain unknown. To under ...
Biophysics of Extracellular Action Potentials
... large neurons in the deep layers. If the detection and clustering algorithm is sensitive enough to include low-amplitude spikes then bias is moderate. If only high amplitude units (> 200 µV) are picked up, then recording will be significantly biased towards the deep layers. The majority of spikes in ...
... large neurons in the deep layers. If the detection and clustering algorithm is sensitive enough to include low-amplitude spikes then bias is moderate. If only high amplitude units (> 200 µV) are picked up, then recording will be significantly biased towards the deep layers. The majority of spikes in ...
Millisecond Timescale Synchrony among Hippocampal Neurons
... n1 is the spike count in the lower firing cell in the pair. This measure is useful for comparing the strength of synchrony across cell pairs. A larger JBSI corresponds to a larger peak in the 0 ms bin relative to baseline firing. For some analyses, spikes from the reference neuron were further segre ...
... n1 is the spike count in the lower firing cell in the pair. This measure is useful for comparing the strength of synchrony across cell pairs. A larger JBSI corresponds to a larger peak in the 0 ms bin relative to baseline firing. For some analyses, spikes from the reference neuron were further segre ...
Activity Regulates the Incidence of Heteronymous Sensory
... muscles has a role in stabilizing joint trajectories (Burkholder and Nicols, 2000). The precision and evolutionary fidelity evident in this weighted sensory-motor connectivity matrix imply selectivity in synapse formation, yet the cellular principles that confer synergist specificity remain sketchy ...
... muscles has a role in stabilizing joint trajectories (Burkholder and Nicols, 2000). The precision and evolutionary fidelity evident in this weighted sensory-motor connectivity matrix imply selectivity in synapse formation, yet the cellular principles that confer synergist specificity remain sketchy ...
Neural communication systems
... constraints (19). The sets of rules compatible with the constraints determine the possible neural systems. If there are more than one such systems, the relations defined above allow to calculate the transition probabilities between these systems. D. Real neural systems The crab stomatogastric gangli ...
... constraints (19). The sets of rules compatible with the constraints determine the possible neural systems. If there are more than one such systems, the relations defined above allow to calculate the transition probabilities between these systems. D. Real neural systems The crab stomatogastric gangli ...
The Structure of Spatial Receptive Fields of Neurons in Primary
... A VAS was derived from sound-pressure measurements made at the eardrums of cats as part of an earlier study (Musicant et al., 1990). In that study, a rectangular pulse (10 ms duration) was used to excite a free-field speaker, the direction of which was varied in a spherical coordinate system, and a ...
... A VAS was derived from sound-pressure measurements made at the eardrums of cats as part of an earlier study (Musicant et al., 1990). In that study, a rectangular pulse (10 ms duration) was used to excite a free-field speaker, the direction of which was varied in a spherical coordinate system, and a ...
Synchronous vs. Conjunctive Binding: A False Dichotomy? Robert F. Hadley ()
... within each of the two cliques associated with those abstract nodes, most ( 70% or more) of the neurons within one of the cliques make afferent (input) connections on most of the neurons in the other clique, and vice-versa. Given the multiplicity of connections between the neurons in the respective ...
... within each of the two cliques associated with those abstract nodes, most ( 70% or more) of the neurons within one of the cliques make afferent (input) connections on most of the neurons in the other clique, and vice-versa. Given the multiplicity of connections between the neurons in the respective ...
A simulation of parahippocampal and hippocampal structures guiding spatial navigation of
... mechanism for phenomena observed in single unit recording from the entorhinal cortex during performance of delayed matching and delayed non-matching tasks (Suzuki et al., 1997; Young et al., 1997). In particular, if cholinergic modulation is present, these cation currents are activated. Figure 3 sho ...
... mechanism for phenomena observed in single unit recording from the entorhinal cortex during performance of delayed matching and delayed non-matching tasks (Suzuki et al., 1997; Young et al., 1997). In particular, if cholinergic modulation is present, these cation currents are activated. Figure 3 sho ...
Number, size and distribution of ganglion neurons in urinary bladder
... Most of the neuronal cell bodies were cir cular in profile although some were elongat ed, with the long axis being twice the short axis (Fig 2A). While several isolated and paired neurons were found in all animals (Fig 2B), most intramural neurons were clustered in circular or elongated ganglia, c ...
... Most of the neuronal cell bodies were cir cular in profile although some were elongat ed, with the long axis being twice the short axis (Fig 2A). While several isolated and paired neurons were found in all animals (Fig 2B), most intramural neurons were clustered in circular or elongated ganglia, c ...
LESSON 2.3 WORKBOOK How fast do our neurons signal?
... depolarization “jumps” from one node to the next without decaying. ...
... depolarization “jumps” from one node to the next without decaying. ...
Direct Inhibition Evoked by Whisker Stimulation in Somatic Sensory
... the whiskers is 25 ms, so 25 ms should be subtracted from the response onset times. ...
... the whiskers is 25 ms, so 25 ms should be subtracted from the response onset times. ...
Technologies émergentes de mémoire résistive pour les systèmes
... (CBRAM) and Metal-Oxide based Memory (OXRAM) can play in dedicated neuromorphic hardware. We focus on the emulation of synaptic plasticity effects such as long-term potentiation (LTP), long term depression (LTD) and spike-timing dependent plasticity (STDP) with RRAM synapses. We developed novel low- ...
... (CBRAM) and Metal-Oxide based Memory (OXRAM) can play in dedicated neuromorphic hardware. We focus on the emulation of synaptic plasticity effects such as long-term potentiation (LTP), long term depression (LTD) and spike-timing dependent plasticity (STDP) with RRAM synapses. We developed novel low- ...
2011 CSH - Harvard University
... been implicated in orchestrating the developmental changes in gene expression programs that underlie neurogenesis and dendrite outgrowth (Wu et al. 2007; Yoo et al. 2009). In addition, BRG1 has been shown to contribute to activity-dependent gene transcription through its interactions with the calciu ...
... been implicated in orchestrating the developmental changes in gene expression programs that underlie neurogenesis and dendrite outgrowth (Wu et al. 2007; Yoo et al. 2009). In addition, BRG1 has been shown to contribute to activity-dependent gene transcription through its interactions with the calciu ...
Escape behavior and neuronal responses to looming stimuli in the
... The simulated looming stimulus used in the present study consisted of a 5·cm black square, which approached over a distance of 70·cm at a constant speed of 20·cm·s–1 (Fig.·1B). Thus, for the crab’s eye the stimulus had an apparent size subtending an angle of 4° at its stationary initial position and ...
... The simulated looming stimulus used in the present study consisted of a 5·cm black square, which approached over a distance of 70·cm at a constant speed of 20·cm·s–1 (Fig.·1B). Thus, for the crab’s eye the stimulus had an apparent size subtending an angle of 4° at its stationary initial position and ...
A framework for the first-person internal sensation of visual
... elements of the various higher brain functions due to the following reasons. (1) Since different sets of dendritic spine inputs (postsynaptic potentials) can lead to the same action potential, neuronal firing is non-specific with regards to its inputs. For example, in a pyramidal neuron with thousan ...
... elements of the various higher brain functions due to the following reasons. (1) Since different sets of dendritic spine inputs (postsynaptic potentials) can lead to the same action potential, neuronal firing is non-specific with regards to its inputs. For example, in a pyramidal neuron with thousan ...
Distinct Representations and Theta Dynamics in Dorsal and Ventral
... ⬎80% of the maze area, were classified as putative interneurons. Other cells were classified as pyramidal cells (supplemental Fig. 2 A, available at www.jneurosci.org as supplemental material). No attempt was made to distinguish among the large family of interneurons (Freund and Buzsáki, 1996). The ...
... ⬎80% of the maze area, were classified as putative interneurons. Other cells were classified as pyramidal cells (supplemental Fig. 2 A, available at www.jneurosci.org as supplemental material). No attempt was made to distinguish among the large family of interneurons (Freund and Buzsáki, 1996). The ...
