Stimulus-Dependent Synchronization of Neuronal Responses in the
... of related responses could be achieved by synchronizing the respective discharges at a time scale of milliseconds, as this would selectively and jointly enhance their saliency. This hypothesis predicts that a given set of neurons should exhibit synchronized discharges more often when responding to a ...
... of related responses could be achieved by synchronizing the respective discharges at a time scale of milliseconds, as this would selectively and jointly enhance their saliency. This hypothesis predicts that a given set of neurons should exhibit synchronized discharges more often when responding to a ...
Loss of cell adhesion molecule CHL1 improves homeostatic
... decreased in the cerebral cortex, hypothalamus, and brain stem and increased in the cerebellum after the induction of AH. Thus, we hypothesized that CHL1 may be involved in the regulation of the hypoxic response in vivo. To address this possibility, CHL1 / mice and wild-type littermates were sub ...
... decreased in the cerebral cortex, hypothalamus, and brain stem and increased in the cerebellum after the induction of AH. Thus, we hypothesized that CHL1 may be involved in the regulation of the hypoxic response in vivo. To address this possibility, CHL1 / mice and wild-type littermates were sub ...
Physiological Psychology - II Sem
... Major elements in synaptic transmission. An electrochemical wave called an action potential travels along the axon of a neuron. When the wave reaches a synapse, it provokes release of a puff of neurotransmitter molecules, which bind to chemical receptor molecules located in the membrane of the targe ...
... Major elements in synaptic transmission. An electrochemical wave called an action potential travels along the axon of a neuron. When the wave reaches a synapse, it provokes release of a puff of neurotransmitter molecules, which bind to chemical receptor molecules located in the membrane of the targe ...
Intracellular study of rat substantia nigra pars reticulata neurons in
... gic2s'30'31 These two opposing responses (excitatory vs. inhibitory) of STH inputs to EP/GP and SNR are somewhat puzzling since anatomical and electrophysiological studies clearly demonstrated that single STH neurons project both to EP/GP and SNR with their bifurcating axons. In order to examine the ...
... gic2s'30'31 These two opposing responses (excitatory vs. inhibitory) of STH inputs to EP/GP and SNR are somewhat puzzling since anatomical and electrophysiological studies clearly demonstrated that single STH neurons project both to EP/GP and SNR with their bifurcating axons. In order to examine the ...
Neuronal LRP1 Knockout in Adult Mice Leads to Impaired Brain
... University of South Florida, Tampa, Florida 33612 ...
... University of South Florida, Tampa, Florida 33612 ...
Coordinated Interaction between Hippocampal Sharp
... cingulate cortex (ACC) has been shown to be crucial for expression and likely storage of long-term memory. However, little is known about how ACC activity is influenced by hippocampal ripple activity during sleep. We report here about coordinated interactions between hippocampal ripple activity and ...
... cingulate cortex (ACC) has been shown to be crucial for expression and likely storage of long-term memory. However, little is known about how ACC activity is influenced by hippocampal ripple activity during sleep. We report here about coordinated interactions between hippocampal ripple activity and ...
PDF
... Background and Purpose—Because the mechanism for scavenging acidophilic electron-dense dead neurons disseminated among the neuritic networks of surviving neurons in the ischemic penumbra of the cerebral cortex is still obscure, we investigated the fate of them up to 24 weeks after the ischemic insul ...
... Background and Purpose—Because the mechanism for scavenging acidophilic electron-dense dead neurons disseminated among the neuritic networks of surviving neurons in the ischemic penumbra of the cerebral cortex is still obscure, we investigated the fate of them up to 24 weeks after the ischemic insul ...
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 ...
Distinct Functions of 3 and V Integrin Receptors
... in these assays caused neurons not only to stop their migration on radial glial strands but also to attach to each other rather than to their radial glial guides (Figures 5G and 5H). No such switch from gliophilic to neurophilic adhesive preference was noticed under control conditions. Taken togethe ...
... in these assays caused neurons not only to stop their migration on radial glial strands but also to attach to each other rather than to their radial glial guides (Figures 5G and 5H). No such switch from gliophilic to neurophilic adhesive preference was noticed under control conditions. Taken togethe ...
Dynamic relationships between age, beta
... to Alzheimer’s disease than other areas, a mechanism underlying the differential regional vulnerability to Alzheimer’s disease remains to be elucidated. Using fluorodeoxyglucose and Pittsburgh compound B positron emission tomography imaging glucose metabolism and amyloid-b deposition, we tested wheth ...
... to Alzheimer’s disease than other areas, a mechanism underlying the differential regional vulnerability to Alzheimer’s disease remains to be elucidated. Using fluorodeoxyglucose and Pittsburgh compound B positron emission tomography imaging glucose metabolism and amyloid-b deposition, we tested wheth ...
The Role of Emotion in Environmental Decision Making
... This is consistent with humans’ propensity to act in a way that benefits the self over others. In social psychology, this is known as a social dilemma (Van Vugt, 2002). While individuals may not intentionally act against a group’s interest, when many individuals behave in the same way, this results ...
... This is consistent with humans’ propensity to act in a way that benefits the self over others. In social psychology, this is known as a social dilemma (Van Vugt, 2002). While individuals may not intentionally act against a group’s interest, when many individuals behave in the same way, this results ...
Microinfusion of bupropion inhibits putative GABAergic ventral
... One of the old theories about the effects of ADs is increasing the catecholamine levels. The primary explanation about this effect of ADs is the direct effect of ADs on the VTA or other brain nuclei (Chenu et al. 2012). The later discoveries about the mechanisms of ADs revealed that many of these d ...
... One of the old theories about the effects of ADs is increasing the catecholamine levels. The primary explanation about this effect of ADs is the direct effect of ADs on the VTA or other brain nuclei (Chenu et al. 2012). The later discoveries about the mechanisms of ADs revealed that many of these d ...
Are mesopontine cholinergic neurons either necessary or sufficient
... Brainstem cholinergic neurons and the reticular activating system upon the hypothesis that cholinergic neuronal activity is necessary for EEG desynchrony. In fact, the most parsimonious interpretation is that either (1) activation of mesopontine cholinergic neurons is not functionally related to EE ...
... Brainstem cholinergic neurons and the reticular activating system upon the hypothesis that cholinergic neuronal activity is necessary for EEG desynchrony. In fact, the most parsimonious interpretation is that either (1) activation of mesopontine cholinergic neurons is not functionally related to EE ...
.... _ ACKNOWLEDGMENT !_ This monograph is based on the
... staining throughout the stained region. Staining of terminals, axons, and cell bodies was still observed after fluoxetine pretreatment. Although we have not established a dose-response relationship for fluoxetine blockage of MDMAinduced silver staining, the dose of fluoxetine used, 5 rog/kg, was suf ...
... staining throughout the stained region. Staining of terminals, axons, and cell bodies was still observed after fluoxetine pretreatment. Although we have not established a dose-response relationship for fluoxetine blockage of MDMAinduced silver staining, the dose of fluoxetine used, 5 rog/kg, was suf ...
Functional circuitry underlying visual neglect
... Visual neglect is a neurological syndrome most commonly caused by unilateral brain damage to the posterior and inferior parietal cerebral cortex and is characterized by an inability to detect or orient to stimuli or objects presented in the contralesional visual hemifield (Heilman and Valenstein, 19 ...
... Visual neglect is a neurological syndrome most commonly caused by unilateral brain damage to the posterior and inferior parietal cerebral cortex and is characterized by an inability to detect or orient to stimuli or objects presented in the contralesional visual hemifield (Heilman and Valenstein, 19 ...
Differential effects of 10-Hz and 40
... gamma bands, and observe the consequences of these modulations on exogenous versus endogenous attention. ...
... gamma bands, and observe the consequences of these modulations on exogenous versus endogenous attention. ...
Visuomotor Functions in the Frontal Lobe
... the same level as V3 and V4, whereas the medial FEF (8m), which produces longer saccades, is at the same level as TE, LIP, V3A, and FST. Anatomically, the FEF is feedforward to several occipital, parietal, and temporal areas. Panel adapted with permission from Markov et al. (2014). (c) Hierarchy of ...
... the same level as V3 and V4, whereas the medial FEF (8m), which produces longer saccades, is at the same level as TE, LIP, V3A, and FST. Anatomically, the FEF is feedforward to several occipital, parietal, and temporal areas. Panel adapted with permission from Markov et al. (2014). (c) Hierarchy of ...
Lateral prefrontal cortex: architectonic and functional organization
... computations occurring in a given area for the complex neuronal network within which it is embedded can be explored, in monkeys, by observing the consequences on cognitive/behavioural function of removal or disconnection of the particular area or manipulations of its neurotransmitter activity. There ...
... computations occurring in a given area for the complex neuronal network within which it is embedded can be explored, in monkeys, by observing the consequences on cognitive/behavioural function of removal or disconnection of the particular area or manipulations of its neurotransmitter activity. There ...
Conditioned and unconditioned regulation of human activity
... system on some time are formed neuronal circuits of a different degree of complexity. In the environment all the time new irritants occur. Therefore in a brain cortex at each moment of time new combinations of neurons are activated. Thus, in the brain cortex and the subcortical centres there is a ...
... system on some time are formed neuronal circuits of a different degree of complexity. In the environment all the time new irritants occur. Therefore in a brain cortex at each moment of time new combinations of neurons are activated. Thus, in the brain cortex and the subcortical centres there is a ...
Grasping the Intentions of Others with One`s Own Mirror Neuron
... in largely similar cortical areas, with the notable exceptions of the superior temporal sulcus (STS) region and inferior parietal lobule. The STS region is known to respond to biological motion [28,29], and the absence of the grasping action in the Context condition explains the lack of increased si ...
... in largely similar cortical areas, with the notable exceptions of the superior temporal sulcus (STS) region and inferior parietal lobule. The STS region is known to respond to biological motion [28,29], and the absence of the grasping action in the Context condition explains the lack of increased si ...
Full-Text PDF
... functional connectivity of tracts linking together different cortical regions. Much research to date in this area has focused particularly on cross-hemispheric connections, i.e., corpus callosum, but other tracts of interest have included intra-hemispheric (association) connections such as the arcua ...
... functional connectivity of tracts linking together different cortical regions. Much research to date in this area has focused particularly on cross-hemispheric connections, i.e., corpus callosum, but other tracts of interest have included intra-hemispheric (association) connections such as the arcua ...
midbrain Brain stem
... Working memory for object-recall tasks Solving complex, multitask problems ...
... Working memory for object-recall tasks Solving complex, multitask problems ...
The Cl Area of the Brainstem in Tonic and Reflex
... and, hence, establishing normal resting levels of arterial pressure (AP). While it has been recognized for over 100 years that the medulla oblongata is essential for such control — since removal of the brain above the medulla has no effect on resting AP but transection at the spinomedullary junction ...
... and, hence, establishing normal resting levels of arterial pressure (AP). While it has been recognized for over 100 years that the medulla oblongata is essential for such control — since removal of the brain above the medulla has no effect on resting AP but transection at the spinomedullary junction ...
Role of the trigeminal mesencephalic nucleus in rat whisker pad
... iii) those innervating both structures. Extracellular recordings made during spontaneous movements of the macrovibrisae showed that whisking neurons similar to those observed in the trigeminal ganglion were located in the TMnu. These neurons had different patterns of activation, which were dependent ...
... iii) those innervating both structures. Extracellular recordings made during spontaneous movements of the macrovibrisae showed that whisking neurons similar to those observed in the trigeminal ganglion were located in the TMnu. These neurons had different patterns of activation, which were dependent ...
Parallel basal ganglia circuits for voluntary and
... et al., 1998; Haber et al., 2000). This medial-lateral functional topography is present in both rodents and primates (Yin and Knowlton, 2006; Balleine and O’Doherty, 2010). The evolution of primates has resulted in a unique topographical organization along the rostral-caudal axis which may reflect fu ...
... et al., 1998; Haber et al., 2000). This medial-lateral functional topography is present in both rodents and primates (Yin and Knowlton, 2006; Balleine and O’Doherty, 2010). The evolution of primates has resulted in a unique topographical organization along the rostral-caudal axis which may reflect fu ...