Cholinergic modulation of cognitive processing: insights drawn from computational models Kishan Gupta
... in this issue). Despite the striking behavioral effects of acetylcholine receptor blockade, and the robust physiological effects of acetylcholine on neurons in vitro, the link between these levels of analysis is not clear. In particular, few studies have addressed how the blockade of acetylcholine r ...
... in this issue). Despite the striking behavioral effects of acetylcholine receptor blockade, and the robust physiological effects of acetylcholine on neurons in vitro, the link between these levels of analysis is not clear. In particular, few studies have addressed how the blockade of acetylcholine r ...
Document
... Research in Dr. Jaffe’s lab focuses on the hippocampal formation; a brain region important for certain aspects of learning and memory. It is also one of the first brain structures affected by Alzheimer's disease and medial temporal lobe epilepsy arises in the hippocampus, among other brain structure ...
... Research in Dr. Jaffe’s lab focuses on the hippocampal formation; a brain region important for certain aspects of learning and memory. It is also one of the first brain structures affected by Alzheimer's disease and medial temporal lobe epilepsy arises in the hippocampus, among other brain structure ...
Multimodal imaging and the neural basis of EEG and fMRI
... layers i.e. positive charges are 'leaving‘ and thus record a negative potential, whereas a deep electrode ...
... layers i.e. positive charges are 'leaving‘ and thus record a negative potential, whereas a deep electrode ...
Neural Mechanisms of Bias and Sensitivity in Hiroshi Nishida Muneyoshi Takahashi
... Hiroshi Nishida1 , Muneyoshi Takahashi2 , Gary D. Bird3 , and Jan Lauwereyns4 , Non-members ABSTRACT Animals perceive stimuli in their environment and are required to make motor responses according to this perception. The perception-to-action mechanisms rely on the accumulation of neural activity in ...
... Hiroshi Nishida1 , Muneyoshi Takahashi2 , Gary D. Bird3 , and Jan Lauwereyns4 , Non-members ABSTRACT Animals perceive stimuli in their environment and are required to make motor responses according to this perception. The perception-to-action mechanisms rely on the accumulation of neural activity in ...
Hippocampal region - NeuronDevelopment.org
... Recent studies of entorhinal efferents have shown that deeper layers of this cortical region (especially from EntL) project to widespread areas of the telencephalon. There are projections to limbic neocortical areas such as the prefrontal cortex medial to the genu of the corpus callosum (Swanson, 19 ...
... Recent studies of entorhinal efferents have shown that deeper layers of this cortical region (especially from EntL) project to widespread areas of the telencephalon. There are projections to limbic neocortical areas such as the prefrontal cortex medial to the genu of the corpus callosum (Swanson, 19 ...
Quantified Distribution of the Noradrenaline Innervation in the
... In all, 7 experiments were carried out, some of which allowed testing the effects of different untake blockers on the 3H-NA labelina. In 3 cases each, the following drugs were added or not to the preincibation and incubation media: (1) 10 PM nonradioactive 5-HT (5hydroxytryptamine oxalate salt, 5-HT ...
... In all, 7 experiments were carried out, some of which allowed testing the effects of different untake blockers on the 3H-NA labelina. In 3 cases each, the following drugs were added or not to the preincibation and incubation media: (1) 10 PM nonradioactive 5-HT (5hydroxytryptamine oxalate salt, 5-HT ...
Brainwaves ("40 Hz") Research
... progressively more complex features of objects. This scheme, however, is inflexible and inefficient. Conjunctions of more and more combinations of "low-level" features are needed to define progressively "higher level" features. It is difficult to see how such a scheme copes with the vast range of ob ...
... progressively more complex features of objects. This scheme, however, is inflexible and inefficient. Conjunctions of more and more combinations of "low-level" features are needed to define progressively "higher level" features. It is difficult to see how such a scheme copes with the vast range of ob ...
Effect of transcutaneous acupoint electrical stimulation on propofol
... effect like traditional manual acupuncture. The combination of TAES and anesthesia has been proved valid in enhancing the anesthetic effects but its mechanisms are still not clear. Methods: In this study, we investigated the effect of TAES on anesthesia with an electroencephalogram (EEG) oscillation ...
... effect like traditional manual acupuncture. The combination of TAES and anesthesia has been proved valid in enhancing the anesthetic effects but its mechanisms are still not clear. Methods: In this study, we investigated the effect of TAES on anesthesia with an electroencephalogram (EEG) oscillation ...
Learning-related changes in coordinated fast oscillations
... the BLA, perirhinal and entorhinal cortices. Given earlier findings suggesting that neuronal oscillations coordinate the activity of cerebral networks, we first tested whether there are correlated fluctuations in the power of BLA and rhinal field activity at any frequency. Field potentials were simu ...
... the BLA, perirhinal and entorhinal cortices. Given earlier findings suggesting that neuronal oscillations coordinate the activity of cerebral networks, we first tested whether there are correlated fluctuations in the power of BLA and rhinal field activity at any frequency. Field potentials were simu ...
The limbic system. A maze on the essentials: memory, learning and
... thalamus, through the cingulate gyrus. (Figure 2) Today, the limbic system is considered a set of structures interconnected among themselves and with other areas, in the brain and in the body. It is located in the medial faces of both cerebral hemispheres and their functions are multiple and complex ...
... thalamus, through the cingulate gyrus. (Figure 2) Today, the limbic system is considered a set of structures interconnected among themselves and with other areas, in the brain and in the body. It is located in the medial faces of both cerebral hemispheres and their functions are multiple and complex ...
The ventral striatum in goal-directed behavior and - UvA-DARE
... theories is the ‘standard’ theory of declarative memory consolidation. This theory posits that the hippocampus, together with other areas of the medial temporal lobe, is crucial for all forms of declarative memory for a limited period of time (Squire, 1986; Squire et al., 2004). Ultimately, all memo ...
... theories is the ‘standard’ theory of declarative memory consolidation. This theory posits that the hippocampus, together with other areas of the medial temporal lobe, is crucial for all forms of declarative memory for a limited period of time (Squire, 1986; Squire et al., 2004). Ultimately, all memo ...
Physiological Patterns in the Hippocampo
... subicular cortices. Neurons in the dentate gyrus and CA1 are also entrained into theta-modulated gamma volleys in conjunction within their entorhinal inputs (Charpak et al., 1995; Bragin et al., 1995; Csicsvari et al., 1999). Neurons in layer V and layer VI of the entorhinal cortex appear only weakl ...
... subicular cortices. Neurons in the dentate gyrus and CA1 are also entrained into theta-modulated gamma volleys in conjunction within their entorhinal inputs (Charpak et al., 1995; Bragin et al., 1995; Csicsvari et al., 1999). Neurons in layer V and layer VI of the entorhinal cortex appear only weakl ...
Physiological patterns in the hippocampo
... subicular cortices. Neurons in the dentate gyrus and CA1 are also entrained into theta-modulated gamma volleys in conjunction within their entorhinal inputs (Charpak et al., 1995; Bragin et al., 1995; Csicsvari et al., 1999). Neurons in layer V and layer VI of the entorhinal cortex appear only weakl ...
... subicular cortices. Neurons in the dentate gyrus and CA1 are also entrained into theta-modulated gamma volleys in conjunction within their entorhinal inputs (Charpak et al., 1995; Bragin et al., 1995; Csicsvari et al., 1999). Neurons in layer V and layer VI of the entorhinal cortex appear only weakl ...
Theta phase shift in spike timing and modulation of gamma oscillation
... CA1 reflect inputs from CA3, while high-frequency gamma oscillations (60 –90 Hz) reflect inputs from entorhinal cortex (Bragin et al. 1995; Colgin et al. 2009). Gamma oscillations occur at different frequencies, depending on running speed (Ahmed and Mehta 2012; Chen et al. 2011; Kemere et al. 2013). ...
... CA1 reflect inputs from CA3, while high-frequency gamma oscillations (60 –90 Hz) reflect inputs from entorhinal cortex (Bragin et al. 1995; Colgin et al. 2009). Gamma oscillations occur at different frequencies, depending on running speed (Ahmed and Mehta 2012; Chen et al. 2011; Kemere et al. 2013). ...
Phase precession and phase locking of hippocampal pyramidal cells
... within the model network. There are two important changes in control in our networks. One occurs in the transition from out-ofplace field to in-place field behavior, which is externally triggered at the beginning of the place field of P and allows P to take control of the firing pattern of the inter ...
... within the model network. There are two important changes in control in our networks. One occurs in the transition from out-ofplace field to in-place field behavior, which is externally triggered at the beginning of the place field of P and allows P to take control of the firing pattern of the inter ...
ICDVRAT2006_S09_N01_Miranda
... The EEG is measured as the voltage difference between two or more electrodes on the surface of the scalp one of which is taken as a reference. The EEG expresses the overall activity of millions of neurons in the brain in terms of charge movement, but the electrodes can detect this only in the most s ...
... The EEG is measured as the voltage difference between two or more electrodes on the surface of the scalp one of which is taken as a reference. The EEG expresses the overall activity of millions of neurons in the brain in terms of charge movement, but the electrodes can detect this only in the most s ...
The seasonal hippocampus of food-storing birds.
... to mid-April) chickadees showed about 3.5 times more hippocampal neuronal recruitment that did house sparrows, whether this was measured as the number of new neurons, new neurons per cubic millimetre, or the proportion of all hippocampal neurons that were new (Hoshooley and Sherry, 2007, Fig. 1). Th ...
... to mid-April) chickadees showed about 3.5 times more hippocampal neuronal recruitment that did house sparrows, whether this was measured as the number of new neurons, new neurons per cubic millimetre, or the proportion of all hippocampal neurons that were new (Hoshooley and Sherry, 2007, Fig. 1). Th ...
The Influence of the Respiratory Cycle on the EEG
... tachypnoe. These differences were found in all spectral bands except for the delta band. In general, with decreasing respiratory frequency the value of spectral power in different regions increased and vice versa. Statistically significant differences were mostly found between bradypnoe and tachypno ...
... tachypnoe. These differences were found in all spectral bands except for the delta band. In general, with decreasing respiratory frequency the value of spectral power in different regions increased and vice versa. Statistically significant differences were mostly found between bradypnoe and tachypno ...
found that in flight, 3D hippocampal place cells had nearly spherical
... cells from the hippocampus of different bats. Same notation as in (A). When a neuron had more than one place field, different fields were marked with different colors (K). The neuron in (J) was recorded in the cubic enclosure; the other neurons are from the rectangular-cuboid room. ...
... cells from the hippocampus of different bats. Same notation as in (A). When a neuron had more than one place field, different fields were marked with different colors (K). The neuron in (J) was recorded in the cubic enclosure; the other neurons are from the rectangular-cuboid room. ...
Segregated Cell Populations Enable Distinct Parallel Encoding
... the superficial part are less coupled by gap junctions than their deep counterparts [40, 41] although the function of a substrate in CA1 for communication or synchronization through gap junction is yet to elucidate. It has been suggested to be a crucial determinant in neural coupling during large sy ...
... the superficial part are less coupled by gap junctions than their deep counterparts [40, 41] although the function of a substrate in CA1 for communication or synchronization through gap junction is yet to elucidate. It has been suggested to be a crucial determinant in neural coupling during large sy ...
nervous system part 6 EEG, walkfulness and sleep
... A synchronized burst of electrical activity that originates in the pons and like a wave it activates the lateral geniculate nucleus (first relay of visual information) and then the occipital lobe, specifically in the visual cortex (which receives and puts together the visual information that comes f ...
... A synchronized burst of electrical activity that originates in the pons and like a wave it activates the lateral geniculate nucleus (first relay of visual information) and then the occipital lobe, specifically in the visual cortex (which receives and puts together the visual information that comes f ...
EEG - pressthebar
... A synchronized burst of electrical activity that originates in the pons and like a wave it activates the lateral geniculate nucleus (first relay of visual information) and then the occipital lobe, specifically in the visual cortex (which receives and puts together the visual information that comes f ...
... A synchronized burst of electrical activity that originates in the pons and like a wave it activates the lateral geniculate nucleus (first relay of visual information) and then the occipital lobe, specifically in the visual cortex (which receives and puts together the visual information that comes f ...
PowerPoint 演示文稿 - Shandong University
... A synchronized burst of electrical activity that originates in the pons and like a wave it activates the lateral geniculate nucleus (first relay of visual information) and then the occipital lobe, specifically in the visual cortex (which receives and puts together the visual information that comes f ...
... A synchronized burst of electrical activity that originates in the pons and like a wave it activates the lateral geniculate nucleus (first relay of visual information) and then the occipital lobe, specifically in the visual cortex (which receives and puts together the visual information that comes f ...
The hippocampus in spatial navigation and memory consolidation
... • Huge amount of visual processing until any external sensory information reaches the hippocampus • In other senses (auditory, somatosensory) there is similarly complex processing upstream of the hippocampus – except olfactory inputs that reach the hippocampus much more directly (olfactory bulb Æ en ...
... • Huge amount of visual processing until any external sensory information reaches the hippocampus • In other senses (auditory, somatosensory) there is similarly complex processing upstream of the hippocampus – except olfactory inputs that reach the hippocampus much more directly (olfactory bulb Æ en ...
The supramammillary area: its organization, functions
... hippocampal cells (theta activity) via a relay in the medial septum (MS). These two types of interaction with the hippocampus are functionally separate and anatomically distinct. But they are of such a kind (controlling general tone and controlling the timing of firing of large populations of cells) ...
... hippocampal cells (theta activity) via a relay in the medial septum (MS). These two types of interaction with the hippocampus are functionally separate and anatomically distinct. But they are of such a kind (controlling general tone and controlling the timing of firing of large populations of cells) ...