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Focal local field potential (LFP) signature of the single
... et al., 1994; Banitt et al., 2007; da Costa and Martin, 2011; da Costa, 2013). Here we thus assumed that synapses onto RS cell could connect on dendrites only, while synapses onto FS cells connect on somatic and proximal dendritic compartments, that is, only onto dendritic compartments for which the ...
... et al., 1994; Banitt et al., 2007; da Costa and Martin, 2011; da Costa, 2013). Here we thus assumed that synapses onto RS cell could connect on dendrites only, while synapses onto FS cells connect on somatic and proximal dendritic compartments, that is, only onto dendritic compartments for which the ...
Focal local field potential (LFP) signature of the single
... et al., 1994; Banitt et al., 2007; da Costa and Martin, 2011; da Costa, 2013). Here we thus assumed that synapses onto RS cell could connect on dendrites only, while synapses onto FS cells connect on somatic and proximal dendritic compartments, that is, only onto dendritic compartments for which the ...
... et al., 1994; Banitt et al., 2007; da Costa and Martin, 2011; da Costa, 2013). Here we thus assumed that synapses onto RS cell could connect on dendrites only, while synapses onto FS cells connect on somatic and proximal dendritic compartments, that is, only onto dendritic compartments for which the ...
Odor and nutrition - ernährungs umschau
... of such short interactions are sufficient to pass the threshold that triggers an action potential [10]. The intensity of the olfactory perception is encoded by the frequency of the resulting action potentials. To realize such fast reactions and concentration changes, the spatial action radii of all ...
... of such short interactions are sufficient to pass the threshold that triggers an action potential [10]. The intensity of the olfactory perception is encoded by the frequency of the resulting action potentials. To realize such fast reactions and concentration changes, the spatial action radii of all ...
Neurons of human nucleus accumbens
... Background/Aim. Nucleus accumbens is a part of the ventral striatum also known as a drug active brain region, especially related with drug addiction. The aim of the study was to investigate the Golgi morphology of the nucleus accumbens neurons. Methods. The study was performed on the frontal and sag ...
... Background/Aim. Nucleus accumbens is a part of the ventral striatum also known as a drug active brain region, especially related with drug addiction. The aim of the study was to investigate the Golgi morphology of the nucleus accumbens neurons. Methods. The study was performed on the frontal and sag ...
Muscular System
... the nerve ending (axon terminal), each containing thousands of neurotransmitter molecules. o When an impulse moves along the axon and arrives at the axon terminal, these vesicles migrate to the membrane in the gap and release their neurotransmitter into the synaptic cleft. o The neurotransmitter the ...
... the nerve ending (axon terminal), each containing thousands of neurotransmitter molecules. o When an impulse moves along the axon and arrives at the axon terminal, these vesicles migrate to the membrane in the gap and release their neurotransmitter into the synaptic cleft. o The neurotransmitter the ...
Aging reduces total neuron number in the dorsal component of the
... obtained at 8–9 months old and were housed in a Johns Hopkins University vivarium until they were 24 months old. For euthanasia, rats were anesthetized with isoflurane and perfused transcardially with sterile saline, followed by 4% paraformaldehyde in phosphate buffer (pH 7.4). After 24 hours of pos ...
... obtained at 8–9 months old and were housed in a Johns Hopkins University vivarium until they were 24 months old. For euthanasia, rats were anesthetized with isoflurane and perfused transcardially with sterile saline, followed by 4% paraformaldehyde in phosphate buffer (pH 7.4). After 24 hours of pos ...
TREBALL 6
... Concerning the dopaminergic system, ARI suppresses apomorphineinduced stereotypy in mice, and reduces DOPA synthesis in the forebrain of reserpine treated mice, suggesting that it exhibits antagonistic activity at postsynaptic D2 receptors, and agonistic activity at pre-synaptic dopamine (DA) autore ...
... Concerning the dopaminergic system, ARI suppresses apomorphineinduced stereotypy in mice, and reduces DOPA synthesis in the forebrain of reserpine treated mice, suggesting that it exhibits antagonistic activity at postsynaptic D2 receptors, and agonistic activity at pre-synaptic dopamine (DA) autore ...
Harris KD. Neural signatures of cell assembly organization. Nat Rev
... stays there. A phase sequence, on the other hand, is proposed to consist of a series of semi-stable states, where each assembly is active only transiently before the next takes over. The occurrence of phase sequences would therefore have to rely on features of neural systems not captured in this sim ...
... stays there. A phase sequence, on the other hand, is proposed to consist of a series of semi-stable states, where each assembly is active only transiently before the next takes over. The occurrence of phase sequences would therefore have to rely on features of neural systems not captured in this sim ...
Self Assessment Chapter 14 - CM
... • Dilation of blood vessels serving skeletal and cardiac muscle – occurs when norepinephrine binds to beta-2 receptors; increases blood flow; allows for an increase in physical activity • Contraction of urinary and digestive sphincters – occurs when norepinephrine binds to beta-2 and beta-3 receptor ...
... • Dilation of blood vessels serving skeletal and cardiac muscle – occurs when norepinephrine binds to beta-2 receptors; increases blood flow; allows for an increase in physical activity • Contraction of urinary and digestive sphincters – occurs when norepinephrine binds to beta-2 and beta-3 receptor ...
chapter ppt. - Old Saybrook Public Schools
... • specifically tailored site on the receiving neuron where the chemical key (neurotransmitter) fits. – Reuptake: • reabsorption of neurotransmitters by the sending neuron. – Excitatory: • neurotransmitter influence on the receiving cell causing it to fire. – Inhibitory: • neurotransmitter influence ...
... • specifically tailored site on the receiving neuron where the chemical key (neurotransmitter) fits. – Reuptake: • reabsorption of neurotransmitters by the sending neuron. – Excitatory: • neurotransmitter influence on the receiving cell causing it to fire. – Inhibitory: • neurotransmitter influence ...
Basal Ganglia: Internal Organization
... innervate the ipsilateral striatum but also the contralateral striatum. The corticosubthalamic projection is derived from more restricted regions of the cortex (see below). The corticostriatal and thalamostriatal projections are highly topographically organized and impart functionality onto the stri ...
... innervate the ipsilateral striatum but also the contralateral striatum. The corticosubthalamic projection is derived from more restricted regions of the cortex (see below). The corticostriatal and thalamostriatal projections are highly topographically organized and impart functionality onto the stri ...
Multifunctional Laryngeal Premotor Neurons: Their Activities during
... nonrespiratory behaviors such as vocalization, straining, and airway protection reflexes (e.g., coughing, sneezing, and swallowing) (Shiba et al., 1999). How do animals use the same muscles to generate such various different behaviors? During normal breathing, laryngeal motoneurons are driven by out ...
... nonrespiratory behaviors such as vocalization, straining, and airway protection reflexes (e.g., coughing, sneezing, and swallowing) (Shiba et al., 1999). How do animals use the same muscles to generate such various different behaviors? During normal breathing, laryngeal motoneurons are driven by out ...
The Molecular Biology of Memory Storage: A Dialog
... ganglia, each of which contains about 2000 cells (Fig. 2). An individual ganglion, such as the abdominal ganglion, mediates not one but a family of behaviors. Thus, the simplest behaviors that can be modified by learning may involve less than 100 cells. This numerical simplification made it possible ...
... ganglia, each of which contains about 2000 cells (Fig. 2). An individual ganglion, such as the abdominal ganglion, mediates not one but a family of behaviors. Thus, the simplest behaviors that can be modified by learning may involve less than 100 cells. This numerical simplification made it possible ...
Modulation of Inhibitory Synaptic Potentials in the Piriform Cortex
... intrinsic properties of individual neurons. However, the network dynamics of these simplified representations show many qualitative features in common with spiking network models, including attractor dynamics (Fransen and Lansner 1995; Hansel and Sompolinsky 1998; Pinto et al. 1996), and the results ...
... intrinsic properties of individual neurons. However, the network dynamics of these simplified representations show many qualitative features in common with spiking network models, including attractor dynamics (Fransen and Lansner 1995; Hansel and Sompolinsky 1998; Pinto et al. 1996), and the results ...
Expression of ml-m4 Muscarinic Acetylcholine Receptor Proteins in
... The m l-m4 receptor immunoreactivities were differentially distributed in the rat hippocampus (Figs. I-4). In general, receptor immunoreactivities were localized in neurons, neuritic processes, and diffusely in the neuropil, although each antibody resulted in a distinct pattern of staining. Neuronal ...
... The m l-m4 receptor immunoreactivities were differentially distributed in the rat hippocampus (Figs. I-4). In general, receptor immunoreactivities were localized in neurons, neuritic processes, and diffusely in the neuropil, although each antibody resulted in a distinct pattern of staining. Neuronal ...
Induction of c-fos Expression in Hypothalamic Magnocellular
... pressure and the injection of oxytocin intravenously (i.v.), respectively. Mammary gland responsiveness was checked with single injections of 0.25-l mU of oxytocin (Syntocinon, Sandoz Pharmaceuticals, UK). For cranial surgery, the rats were positioned in a stereotaxic frame with the dorsal surface o ...
... pressure and the injection of oxytocin intravenously (i.v.), respectively. Mammary gland responsiveness was checked with single injections of 0.25-l mU of oxytocin (Syntocinon, Sandoz Pharmaceuticals, UK). For cranial surgery, the rats were positioned in a stereotaxic frame with the dorsal surface o ...
Theroleofdendritesinauditory coincidence detection
... both ears and compares the time of arrival of the inputs with an accuracy of 10–100 ms (refs 3–6). Neurons that receive lowfrequency auditory inputs (up to about 2 kHz) have bipolar dendrites, and each dendrite receives inputs from only one ear7,8. Using a simple model that mimics the essence of the ...
... both ears and compares the time of arrival of the inputs with an accuracy of 10–100 ms (refs 3–6). Neurons that receive lowfrequency auditory inputs (up to about 2 kHz) have bipolar dendrites, and each dendrite receives inputs from only one ear7,8. Using a simple model that mimics the essence of the ...
An Olfactory Sensory Map in the Fly Brain
... We have isolated the “complete” repertoire of genes encoding the odorant receptors in Drosophila and employ these genes to provide a molecular description of the organization of the peripheral olfactory system. The repertoire of Drosophila odorant receptors is encoded by 57 genes. Individual sensory ...
... We have isolated the “complete” repertoire of genes encoding the odorant receptors in Drosophila and employ these genes to provide a molecular description of the organization of the peripheral olfactory system. The repertoire of Drosophila odorant receptors is encoded by 57 genes. Individual sensory ...
Intracellular and computational evidence for a
... membrane potential of cortical neurons typically cannot be observed in vivo, except in some cases of deep anesthesia or under the action of drugs [7]. It was shown that in the active regime, cortical neurons are subject to large amounts of fluctuations, often called “synaptic noise”. This activity i ...
... membrane potential of cortical neurons typically cannot be observed in vivo, except in some cases of deep anesthesia or under the action of drugs [7]. It was shown that in the active regime, cortical neurons are subject to large amounts of fluctuations, often called “synaptic noise”. This activity i ...
Cellular mechanisms underlying network synchrony in the medial
... Stronger and more reliable coupling than ephaptic interactions Bidirectional electrical connections preferentially Tend to act as low-pass filters Occur almost exclusively between interneurons belonging to the same subtype. ...
... Stronger and more reliable coupling than ephaptic interactions Bidirectional electrical connections preferentially Tend to act as low-pass filters Occur almost exclusively between interneurons belonging to the same subtype. ...
Autonomic Nervous System
... •These two synapses use different 2nd messenger systems & respond to different agonists ADD Stuff •The exception to norepinephrine is the sweat glands whose postganglionic neurons release acetylcholine ...
... •These two synapses use different 2nd messenger systems & respond to different agonists ADD Stuff •The exception to norepinephrine is the sweat glands whose postganglionic neurons release acetylcholine ...
Structure of Receptive Fields in Area 3b of Primary Somatosensory
... determines the neuronal response to complex spatial patterns scanned across the skin. Several lines of evidence suggest that the neural signals that underlie the perception of tactile form and texture on the glabrous skin of the primate fingerpad are conveyed initially by the population of slowly ad ...
... determines the neuronal response to complex spatial patterns scanned across the skin. Several lines of evidence suggest that the neural signals that underlie the perception of tactile form and texture on the glabrous skin of the primate fingerpad are conveyed initially by the population of slowly ad ...
Chap016, Chapter 16: Autonomic Nervous System
... receptors on the back to the somesthetic area of the cerebral cortex. The somesthetic area perceives the sensation and projects the sensation to the surface of the back. The somesthetic area also sends the sensation to the somesthetic association area, where it is recognized and evaluated. This woul ...
... receptors on the back to the somesthetic area of the cerebral cortex. The somesthetic area perceives the sensation and projects the sensation to the surface of the back. The somesthetic area also sends the sensation to the somesthetic association area, where it is recognized and evaluated. This woul ...
Stimulation-Induced Functional Decoupling (SIFD)
... Why? : Complex systems imply numerous interactions between the elements of the system: analytical solving is difficult or impossible. ...
... Why? : Complex systems imply numerous interactions between the elements of the system: analytical solving is difficult or impossible. ...