Three Cases of Enduring Memory Impairment after Bilateral Damage
... proper, dentate gyrus, subicular complex, and entorhinal cortex) has been associated with memory impairment in case studies of amnesic patients (Victor et al., 1961; DeJong et al., 1968; Van Buren and Borke, 1972; Muramoto et al., 1979; Woods et al., 1982; Cummings et al., 1984; Duyckaerts et al., 1 ...
... proper, dentate gyrus, subicular complex, and entorhinal cortex) has been associated with memory impairment in case studies of amnesic patients (Victor et al., 1961; DeJong et al., 1968; Van Buren and Borke, 1972; Muramoto et al., 1979; Woods et al., 1982; Cummings et al., 1984; Duyckaerts et al., 1 ...
The hippocampo-cortical loop: Spatio
... The continuous place navigation task was also used to record hippocampal place cell activity (Hok et al., 2007, 2007). Hippocampal place fields were distributed over the entire arena and did not over-represent the goal location. Interestingly, most place cells displayed excess firing activity at the ...
... The continuous place navigation task was also used to record hippocampal place cell activity (Hok et al., 2007, 2007). Hippocampal place fields were distributed over the entire arena and did not over-represent the goal location. Interestingly, most place cells displayed excess firing activity at the ...
The Development of Neural Synchrony and Large
... young adults (20–26 y), and older adults (70–76 y). Evoked oscillations in children were significantly reduced between 30 and 148 Hz over occipital electrodes relative to adults and did not show a modulation by the size of the stimulus. Moreover, Yordanova et al42 reported also differences in alpha ...
... young adults (20–26 y), and older adults (70–76 y). Evoked oscillations in children were significantly reduced between 30 and 148 Hz over occipital electrodes relative to adults and did not show a modulation by the size of the stimulus. Moreover, Yordanova et al42 reported also differences in alpha ...
SLEEP AND EEG
... motor cortex can activate RAS. Centers that govern sleep are within the brain-stem, but recent evidence suggest that the center for slow sleep (NREM) lie in the hypothalamus. ...
... motor cortex can activate RAS. Centers that govern sleep are within the brain-stem, but recent evidence suggest that the center for slow sleep (NREM) lie in the hypothalamus. ...
SLEEP AND EEG
... motor cortex can activate RAS. Centers that govern sleep are within the brain-stem, but recent evidence suggest that the center for slow sleep (NREM) lie in the hypothalamus. ...
... motor cortex can activate RAS. Centers that govern sleep are within the brain-stem, but recent evidence suggest that the center for slow sleep (NREM) lie in the hypothalamus. ...
Cellular and network mechanisms of electrographic
... hyperpolarizing current pulses, probably caused by the activation of Ih. Also, models of isolated PY neurons with Ih included in their dendritic compartment showed that rebound depolarization was sufficient to generate single action potentials or spike-bursts [73]. The increased excitability of PY n ...
... hyperpolarizing current pulses, probably caused by the activation of Ih. Also, models of isolated PY neurons with Ih included in their dendritic compartment showed that rebound depolarization was sufficient to generate single action potentials or spike-bursts [73]. The increased excitability of PY n ...
Enhanced intrinsic excitability and EPSP
... after exposure to EE (Artola et al. 2006; Duffy et al. 2001). In contrast to the CA1 area, ...
... after exposure to EE (Artola et al. 2006; Duffy et al. 2001). In contrast to the CA1 area, ...
Electroencephalography - Department of Computational and
... electrodes are typically used when recording EEG from neonates. Additional electrodes can be added to the standard set-up when a clinical or research application demands increased spatial resolution for a particular area of the brain. High-density arrays (typically via cap or net) can contain up to ...
... electrodes are typically used when recording EEG from neonates. Additional electrodes can be added to the standard set-up when a clinical or research application demands increased spatial resolution for a particular area of the brain. High-density arrays (typically via cap or net) can contain up to ...
Physiological origins and functional correlates of EEG rhythmic
... significant increase in both SMR and sleep spindle activity (Bowersox & Sterman, 1982; Shouse & Sterman, 1979). Further, physical restraint of cats and primates also produced an increase in SMR activity (Bouyer, Debet, Debray, & Rougeul, 1978; Bowersox, Siegel, & Sterman, 1978; Holcomb, Sterman, Goo ...
... significant increase in both SMR and sleep spindle activity (Bowersox & Sterman, 1982; Shouse & Sterman, 1979). Further, physical restraint of cats and primates also produced an increase in SMR activity (Bouyer, Debet, Debray, & Rougeul, 1978; Bowersox, Siegel, & Sterman, 1978; Holcomb, Sterman, Goo ...
The limbic system
... noradenergic locus coeruleus. It also sends axons that terminate within the cholinergic basal forebrain, the pedunculopontinethalamic nucleus (PPT) and lateral dorsal thalamic nucleus (LDT). The VLPO projections to these areas are inhibitory in nature as they are γaminobutyric acidergic (GABAergic ...
... noradenergic locus coeruleus. It also sends axons that terminate within the cholinergic basal forebrain, the pedunculopontinethalamic nucleus (PPT) and lateral dorsal thalamic nucleus (LDT). The VLPO projections to these areas are inhibitory in nature as they are γaminobutyric acidergic (GABAergic ...
pdf
... approach. Each cell represents a specific comparison between two conditions. Darkness indicates degree of expected pattern similarity. Four example comparisons are outlined. (b) Logic of network analysis. Whole-brain beta time-series correlation (left, five example voxel time series) was performed to ...
... approach. Each cell represents a specific comparison between two conditions. Darkness indicates degree of expected pattern similarity. Four example comparisons are outlined. (b) Logic of network analysis. Whole-brain beta time-series correlation (left, five example voxel time series) was performed to ...
Natural reward-related learning in rats with neonatal ventral
... after the last COC/SAL injection. Beginning 7 days postinjections, animals underwent a single initial magazine training session for familiarization to the training apparatus and to facilitate awareness of intermittent water presentations in the recessed magazine. Under constant chamber house lightin ...
... after the last COC/SAL injection. Beginning 7 days postinjections, animals underwent a single initial magazine training session for familiarization to the training apparatus and to facilitate awareness of intermittent water presentations in the recessed magazine. Under constant chamber house lightin ...
Physicsskiing3
... accelerations for each angle, recorded for the analysis. Hypothesis: Experiment 1: When one thinks about a skier going down a steep trail, naturally one would think they are going faster than someone on a beginner trail even when they start from the same height. However, both skiers are starting fro ...
... accelerations for each angle, recorded for the analysis. Hypothesis: Experiment 1: When one thinks about a skier going down a steep trail, naturally one would think they are going faster than someone on a beginner trail even when they start from the same height. However, both skiers are starting fro ...
Grid Cell Firing May Arise From Interference of Theta Frequency
... dynamics (Fuhs and Touretzky, 2006) cannot be derived from the constraints of this data on intrinsic oscillation frequency, and do not account for it in their present form. As shown in Figure 2, this model effectively links the frequency of mpo (Fig. 1A) to the grid cell field spacing (Hafting et al. ...
... dynamics (Fuhs and Touretzky, 2006) cannot be derived from the constraints of this data on intrinsic oscillation frequency, and do not account for it in their present form. As shown in Figure 2, this model effectively links the frequency of mpo (Fig. 1A) to the grid cell field spacing (Hafting et al. ...
Neurofeedback Treatment of Epilepsy
... medial temporal cortex and neocortex. A second group had seizures starting in medial cortex and spreading to lateral cortex with a fast low-voltage discharge (FLVD) which spread rapidly to neocortex and high coherence between medial and lateral structures. A third group exhibits FLVD starting in lat ...
... medial temporal cortex and neocortex. A second group had seizures starting in medial cortex and spreading to lateral cortex with a fast low-voltage discharge (FLVD) which spread rapidly to neocortex and high coherence between medial and lateral structures. A third group exhibits FLVD starting in lat ...
Morphological Changes in the Hippocampus Following Nicotine and
... enzyme, which is expressed only by a small percentage of neurons. Production of NO is a calmodulin-dependent process, which must be preceded by an elevation of ...
... enzyme, which is expressed only by a small percentage of neurons. Production of NO is a calmodulin-dependent process, which must be preceded by an elevation of ...
Sleep and sleep states: Thalamic regulation
... more regular than delta waves in vivo. The latter studies demonstrated that this form of delta-wave activity is generated intrinsically by the interplay of IT and Ih currents in thalamocortical (TC) neurons. Slow oscillations (<1 Hz) can be generated by the cortex; they were observed in cortical sli ...
... more regular than delta waves in vivo. The latter studies demonstrated that this form of delta-wave activity is generated intrinsically by the interplay of IT and Ih currents in thalamocortical (TC) neurons. Slow oscillations (<1 Hz) can be generated by the cortex; they were observed in cortical sli ...
Neural Syntax: Cell Assemblies, Synapsembles, and
... 2010; Lansner, 2009). When two cells with distinct place fields (O’Keefe and Nadel, 1978) were examined their activity was associated with the spiking of distinct peers and the formed assemblies could alternate in a fast sequence (Figure 2A). The participation of individual assembly members from tri ...
... 2010; Lansner, 2009). When two cells with distinct place fields (O’Keefe and Nadel, 1978) were examined their activity was associated with the spiking of distinct peers and the formed assemblies could alternate in a fast sequence (Figure 2A). The participation of individual assembly members from tri ...
Original Article Female Rat Hippocampal Cell
... 2006). Previous studies have indicated that chronic opiate treatment can significantly modulate synaptic plasticity in the hippocampus, leading to an opiate dependence of the plasticity, and it has been suggested that up-regulation of the cAMP pathway is likely one of the ...
... 2006). Previous studies have indicated that chronic opiate treatment can significantly modulate synaptic plasticity in the hippocampus, leading to an opiate dependence of the plasticity, and it has been suggested that up-regulation of the cAMP pathway is likely one of the ...
Eichenbaum et al., 2012a, #15 - Fortin Lab @ UCI
... memory was tested using a series of 20 test stimuli, which involved a random ordering of the 10 odors presented in the sample phase (old odors) plus 10 new odors taken from the pool. Rewards were based on a non-match response contingency, such that rats could obtain rewards by digging only in test c ...
... memory was tested using a series of 20 test stimuli, which involved a random ordering of the 10 odors presented in the sample phase (old odors) plus 10 new odors taken from the pool. Rewards were based on a non-match response contingency, such that rats could obtain rewards by digging only in test c ...
Gamma Oscillations in the Hippocampus
... stimulation (1, 67). Interest in gamma oscillations increased in the 1980s when researchers began to suspect that gamma oscillations in sensory cortices offered a possible solution to the so-called “binding problem.” Complex stimuli are broken down during sensory processing, with spatially disparate ...
... stimulation (1, 67). Interest in gamma oscillations increased in the 1980s when researchers began to suspect that gamma oscillations in sensory cortices offered a possible solution to the so-called “binding problem.” Complex stimuli are broken down during sensory processing, with spatially disparate ...
Brain oscillations in perception and memory
... 1997a,b. demonstrate that alpha activity is strongly correlated with working memory and probably with long term memory engrams. 5. Alpha activity is not unique to mammals: spontaneous and electrically evoked 10-Hz oscillations in isolated ganglia of Helix pomatia and Aplysia ŽBullock and Başar, 198 ...
... 1997a,b. demonstrate that alpha activity is strongly correlated with working memory and probably with long term memory engrams. 5. Alpha activity is not unique to mammals: spontaneous and electrically evoked 10-Hz oscillations in isolated ganglia of Helix pomatia and Aplysia ŽBullock and Başar, 198 ...
November 29
... adhere to a 24.8 hr day – mutant hamsters. Jet lag occurs when sleep-wake cycles are out of ...
... adhere to a 24.8 hr day – mutant hamsters. Jet lag occurs when sleep-wake cycles are out of ...
SLEEP AND EEG
... into the thalamus. Reticular formation receives all incoming sensory synaptic input. Ascending fibers originating from reticular formation carry signals upwards to arouse and activate the cerebral cortex. These fibers are called Reticular Activating System. ...
... into the thalamus. Reticular formation receives all incoming sensory synaptic input. Ascending fibers originating from reticular formation carry signals upwards to arouse and activate the cerebral cortex. These fibers are called Reticular Activating System. ...
Effects of acetylcholine on neuronal properties in entorhinal cortex James G. Heys
... of EC demonstrate a variety of interneuron physiology, which is also subject to cholinergic modulation. Together these effects alter the dynamics of EC to underlie the functional role of acetylcholine in memory. Keywords: entorhinal cortex, spatial navigation, oscillatory interference ...
... of EC demonstrate a variety of interneuron physiology, which is also subject to cholinergic modulation. Together these effects alter the dynamics of EC to underlie the functional role of acetylcholine in memory. Keywords: entorhinal cortex, spatial navigation, oscillatory interference ...