What is brain dynamics - Brain Dynamics Laboratory
... • Ultrafast oscillations could be found during sharp waves and sleep. The ripples are prominent in the onset of seizures. ...
... • Ultrafast oscillations could be found during sharp waves and sleep. The ripples are prominent in the onset of seizures. ...
Electroencephalography Student Protocol
... greater the activation, the lower the alpha activity. Alpha waves are strongest over the occipital (back of the head) cortex and also over the frontal cortex. beta (13 to 30 Hz; <20 µV peak-to-peak) which are prominent in alert individuals with their eyes open. The beta rhythm may be absent or reduc ...
... greater the activation, the lower the alpha activity. Alpha waves are strongest over the occipital (back of the head) cortex and also over the frontal cortex. beta (13 to 30 Hz; <20 µV peak-to-peak) which are prominent in alert individuals with their eyes open. The beta rhythm may be absent or reduc ...
This article was originally published in a journal published by
... studied with localized injections of the toxin saporin, which is conjugated with antibodies to cholinergic neurons so that it is taken up and causes selective cell death of cholinergic neurons innervating the structure that was injected. Selective lesions of the cholinergic innervation of entorhinal ...
... studied with localized injections of the toxin saporin, which is conjugated with antibodies to cholinergic neurons so that it is taken up and causes selective cell death of cholinergic neurons innervating the structure that was injected. Selective lesions of the cholinergic innervation of entorhinal ...
01_MEEG_Origin
... of dogs and apes in which bare unipolar electrodes were placed either on the cereral cortex and the other on the surface of the skull. The currents were measured by a sensitive galvanometer. There were found distinct variations in current, which increased during sleep and with the onset of death str ...
... of dogs and apes in which bare unipolar electrodes were placed either on the cereral cortex and the other on the surface of the skull. The currents were measured by a sensitive galvanometer. There were found distinct variations in current, which increased during sleep and with the onset of death str ...
Brain Computer Interface - Department of Electrical, Computer and
... cortical potentials in their EEG in such a way that these signals could be used as a binary signal to control a computer cursor (1990s) Tests included writing characters with the cursor System users require training just as any person is trained to use a keyboard or a computer ...
... cortical potentials in their EEG in such a way that these signals could be used as a binary signal to control a computer cursor (1990s) Tests included writing characters with the cursor System users require training just as any person is trained to use a keyboard or a computer ...
theta oscillation in the hippocampus
... field pattern and occurs in an architectonically simple cortical structure, its generation and function are not fully understood (Bland, 1986; Stewart and Fox, 1990; Buzsáki et al., 1994). The rhythm generator of hippocam- ...
... field pattern and occurs in an architectonically simple cortical structure, its generation and function are not fully understood (Bland, 1986; Stewart and Fox, 1990; Buzsáki et al., 1994). The rhythm generator of hippocam- ...
Medial Prefrontal Cortex Cells Show Dynamic Modulation With the
... The role of the hippocampus during behavior has been thoroughly researched and great progress has been made into unraveling how the hippocampus plays its central role in memory tasks (Eichenbaum, 2004). The prefrontal cortex has been shown to be involved in a range of complex tasks in primates and r ...
... The role of the hippocampus during behavior has been thoroughly researched and great progress has been made into unraveling how the hippocampus plays its central role in memory tasks (Eichenbaum, 2004). The prefrontal cortex has been shown to be involved in a range of complex tasks in primates and r ...
Temporal delays among place cells determine the frequency of
... and this seed population functions as the pacemaker and biases the discharge phase of the remaining majority. Examples include the various rhythms of the thalamocortical system, where individual neurons fire strictly at a specific phase of the LFP (4). A similar scenario has been hypothesized to be re ...
... and this seed population functions as the pacemaker and biases the discharge phase of the remaining majority. Examples include the various rhythms of the thalamocortical system, where individual neurons fire strictly at a specific phase of the LFP (4). A similar scenario has been hypothesized to be re ...
94. Hippocampus
... teniae (fimbriae and terminal). There are some specimens, in which this latter structures were already not int he section plane. Note that in cat the hippocampus forms an arc and appears on the dorsal side of the thalamus, too (so-called „dorsal hippocampus”). It is widespread in the mammals in gene ...
... teniae (fimbriae and terminal). There are some specimens, in which this latter structures were already not int he section plane. Note that in cat the hippocampus forms an arc and appears on the dorsal side of the thalamus, too (so-called „dorsal hippocampus”). It is widespread in the mammals in gene ...
Brain Oscillations Control Timing of Single
... Figure 1. A, Activity of a neuron from subject 2’s right superior temporal gyrus, which was phase locked to the peak of 7.3 Hz theta oscillations. Left, Spike-triggered LFP average. Spike onset occurred at 0 ms. Middle, Z score from Rayleigh test evaluating the hypothesis of a uniform LFP phase dist ...
... Figure 1. A, Activity of a neuron from subject 2’s right superior temporal gyrus, which was phase locked to the peak of 7.3 Hz theta oscillations. Left, Spike-triggered LFP average. Spike onset occurred at 0 ms. Middle, Z score from Rayleigh test evaluating the hypothesis of a uniform LFP phase dist ...
Changes in GABA Modulation During a Theta Cycle May Be
... (Skaggs et al., 1996). Thus, oscillations in GABAB suppression, which may underlie experimentally observed changes in the strength of synaptic transmission (Wyble et al., 1997), may also optimize sequence disambiguation. Alternatively, synaptic depression due to previous transmission (Markram & Tsod ...
... (Skaggs et al., 1996). Thus, oscillations in GABAB suppression, which may underlie experimentally observed changes in the strength of synaptic transmission (Wyble et al., 1997), may also optimize sequence disambiguation. Alternatively, synaptic depression due to previous transmission (Markram & Tsod ...
Neurofeedback
... • Invasion of slow (3Hz) and strongly synchronous activity throughout the cortex • Can be partial (absence), or widespread – Strengthen cortical low beta – Strengthen SMR ...
... • Invasion of slow (3Hz) and strongly synchronous activity throughout the cortex • Can be partial (absence), or widespread – Strengthen cortical low beta – Strengthen SMR ...
Comparative approaches to cortical microcircuits
... all appear to exist in both rats and bats [36,37], even though place fields are 2-dimensional in rats and 3-dimensional in flying bats. Interesting inter-species differences occur, however, in the collective neural dynamics that accompany these mapping properties. Whereas highfrequency ripple oscill ...
... all appear to exist in both rats and bats [36,37], even though place fields are 2-dimensional in rats and 3-dimensional in flying bats. Interesting inter-species differences occur, however, in the collective neural dynamics that accompany these mapping properties. Whereas highfrequency ripple oscill ...
Introduction to Electroencephalography (EEG)
... http://www.scholarpedia.org/wiki/images/1/10/Electroencephalogram_figHead.jpg ...
... http://www.scholarpedia.org/wiki/images/1/10/Electroencephalogram_figHead.jpg ...
Coding and learning of behavioral sequences
... TRENDS in Neurosciences Vol.27 No.1 January 2004 ...
... TRENDS in Neurosciences Vol.27 No.1 January 2004 ...
Distinct or Gradually Changing Spatial and Nonspatial
... The hippocampus provides neuroscientists with one of the most striking neural phenomena in any high-order brain area: the encoding of the animal’s self location. As the animal moves through the environment, individual hippocampal pyramidal cells become active, mainly when the animal passes through a ...
... The hippocampus provides neuroscientists with one of the most striking neural phenomena in any high-order brain area: the encoding of the animal’s self location. As the animal moves through the environment, individual hippocampal pyramidal cells become active, mainly when the animal passes through a ...
NAlab13_LimbicSystem..
... The medial surfaces of the telencephalon and diencephalon are illustrated in the top panel. Below is a “cut-away” view of diencephalic and telencephalic nuclei and tracts. Use these two illustrations to familiarize yourself with the key structures of the limbic system. On the medial brain surface, i ...
... The medial surfaces of the telencephalon and diencephalon are illustrated in the top panel. Below is a “cut-away” view of diencephalic and telencephalic nuclei and tracts. Use these two illustrations to familiarize yourself with the key structures of the limbic system. On the medial brain surface, i ...
Limbic System
... The medial surfaces of the telencephalon and diencephalon are illustrated in the top panel. Below is a “cut-away” view of diencephalic and telencephalic nuclei and tracts. Use these two illustrations to familiarize yourself with the key structures of the limbic system. On the medial brain surface, i ...
... The medial surfaces of the telencephalon and diencephalon are illustrated in the top panel. Below is a “cut-away” view of diencephalic and telencephalic nuclei and tracts. Use these two illustrations to familiarize yourself with the key structures of the limbic system. On the medial brain surface, i ...
They Come From the Cortex - American Association of Sleep
... cortex via association fibers. Efferent (directed away) signals are sent to many Will Eckhardt other brain structures e.g. the brainstem, thalamus, cerebellum, the basal nuclei and the spinal cord. Most of the cortex has six layers of neurons and is called the neocortex. Cytoarchitecture is the dist ...
... cortex via association fibers. Efferent (directed away) signals are sent to many Will Eckhardt other brain structures e.g. the brainstem, thalamus, cerebellum, the basal nuclei and the spinal cord. Most of the cortex has six layers of neurons and is called the neocortex. Cytoarchitecture is the dist ...
A simulation of parahippocampal and hippocampal structures guiding spatial navigation of
... when the rat is motionless, or performing consummatory behaviors such as eating or grooming. In rabbits and cats, theta rhythm can appear when the animal is sitting motionless, but specifically when the animal is attending to behaviorally relevant stimuli (Berry and Thompson, 1978). The theta rhythm ...
... when the rat is motionless, or performing consummatory behaviors such as eating or grooming. In rabbits and cats, theta rhythm can appear when the animal is sitting motionless, but specifically when the animal is attending to behaviorally relevant stimuli (Berry and Thompson, 1978). The theta rhythm ...
Student Cortical Organization
... • Usually , it is most prominent in the occipital region , less frequently in parietal region , & still less frequently in the ...
... • Usually , it is most prominent in the occipital region , less frequently in parietal region , & still less frequently in the ...
What is EEG? Elana Zion
... would not probe inside to explore, of course). In addition, EEG equipment is relatively inexpensive compared with other devices and simple to operate. The main disadvantage of EEG recording is poor spatial resolution. Since measurements are taken at the scalp, the received signal is, essentially, th ...
... would not probe inside to explore, of course). In addition, EEG equipment is relatively inexpensive compared with other devices and simple to operate. The main disadvantage of EEG recording is poor spatial resolution. Since measurements are taken at the scalp, the received signal is, essentially, th ...
SPP 1665: Resolving and manipulating neuronal networks in the
... http://www.ncbi.nlm.nih.gov/pubmed/25706061 Abstract: Acetylcholine (ACh) modulates neuronal network activities implicated in cognition, including theta and gamma oscillations but the mechanisms remain poorly understood. Joint measurements of cholinergic activity and neuronal network dynamics with h ...
... http://www.ncbi.nlm.nih.gov/pubmed/25706061 Abstract: Acetylcholine (ACh) modulates neuronal network activities implicated in cognition, including theta and gamma oscillations but the mechanisms remain poorly understood. Joint measurements of cholinergic activity and neuronal network dynamics with h ...
System Architecture of ERS/ERD
... • 1970s - Research that developed algorithms to reconstruct movements from motor cortex neurons, which control movement. • 1980s - Johns Hopkins researchers found a mathematical relationship between electrical responses of single motor-cortex neurons in rhesus macaque monkeys and the direction that ...
... • 1970s - Research that developed algorithms to reconstruct movements from motor cortex neurons, which control movement. • 1980s - Johns Hopkins researchers found a mathematical relationship between electrical responses of single motor-cortex neurons in rhesus macaque monkeys and the direction that ...