Functional Neuroimaging Insights into the Physiology of Human Sleep
... during NREM sleep compared to wakefulness,23 except for the absence of the thalamus. This suggests that a similar network is involved in the regulation of NREM sleep and slow waves. The absence of correlation in the thalamus suggests a modulation within the cortex of neural synchronization processes ...
... during NREM sleep compared to wakefulness,23 except for the absence of the thalamus. This suggests that a similar network is involved in the regulation of NREM sleep and slow waves. The absence of correlation in the thalamus suggests a modulation within the cortex of neural synchronization processes ...
New Treatment Approaches in Tinnitus: The Place of Repetitive
... may take up to 20 minutes. While the anodal stimulation increases the neuronal excitability by depolarizing the cell wall, cathodal stimulation lowers neuronal excitability by hyperpolarizing the cell wall (26). However, since there are many cortical cell types in the brain, the combined effect of t ...
... may take up to 20 minutes. While the anodal stimulation increases the neuronal excitability by depolarizing the cell wall, cathodal stimulation lowers neuronal excitability by hyperpolarizing the cell wall (26). However, since there are many cortical cell types in the brain, the combined effect of t ...
Electronic Realization of Human Brain`s Neo
... folds and grooves. Anatomist identifies four major lobes on the surface of each hemisphere of the brain divided by grooves or sulci. Several large sulci divide four lobes of different functions: frontal lobe, parietal lobe, occipital lobe and temporal lobe (Fig. ...
... folds and grooves. Anatomist identifies four major lobes on the surface of each hemisphere of the brain divided by grooves or sulci. Several large sulci divide four lobes of different functions: frontal lobe, parietal lobe, occipital lobe and temporal lobe (Fig. ...
Weak orientation and direction selectivity in lateral geniculate
... recording using the methods described in Van Hooser et al. (2003) and Heimel et al. (2005). In brief, animals were initially anesthetized with a mixture of ketamine and acepromazine maleate (90 mg/ml ketamine, 0.91 mg/ml acepromazine maleate, and 0.5 ml/kg initial dose im). A femoral vein was cannul ...
... recording using the methods described in Van Hooser et al. (2003) and Heimel et al. (2005). In brief, animals were initially anesthetized with a mixture of ketamine and acepromazine maleate (90 mg/ml ketamine, 0.91 mg/ml acepromazine maleate, and 0.5 ml/kg initial dose im). A femoral vein was cannul ...
Chemical Nature of Synaptic Transmission in Vertebrates
... by which transmitters are identified have often been listed and discussed in detail: for some recent sensible views on this subject, the reader is ...
... by which transmitters are identified have often been listed and discussed in detail: for some recent sensible views on this subject, the reader is ...
Representation of Behavioral Tactics and Tactics
... per se, turned out to be a behavioral condition that specifically called for cellular activity in a posterior portion of the medial prefrontal cortex (pmPFC). The activity, however, was observed during the response period when a number of behavioral factors conjointly took their part. This finding l ...
... per se, turned out to be a behavioral condition that specifically called for cellular activity in a posterior portion of the medial prefrontal cortex (pmPFC). The activity, however, was observed during the response period when a number of behavioral factors conjointly took their part. This finding l ...
Limbic systems for emotion and for memory, but no
... of visual cortical areas from the primary visual cortex V1 to the inferior temporal visual cortex (Rolls, 2008c, 2012a). The fundamental advantage of this separation of ‘what’ processing in Tier 1 from reward value processing in Tier 2 is that any learning in Tier 2 of the value of an object or face ...
... of visual cortical areas from the primary visual cortex V1 to the inferior temporal visual cortex (Rolls, 2008c, 2012a). The fundamental advantage of this separation of ‘what’ processing in Tier 1 from reward value processing in Tier 2 is that any learning in Tier 2 of the value of an object or face ...
Sensorimotor cortical influences on cuneate nucleus
... properties which do not reflect the attributes of the sensory signals; the tonic or transfer mode allows the faithful relay of sensory inputs.50 In general, prethalamic structures such as the dorsal column nuclei (DCN; cuneatus and gracilis) are not considered to play a major role in the self-sustai ...
... properties which do not reflect the attributes of the sensory signals; the tonic or transfer mode allows the faithful relay of sensory inputs.50 In general, prethalamic structures such as the dorsal column nuclei (DCN; cuneatus and gracilis) are not considered to play a major role in the self-sustai ...
Can Oxytocin function as an antidepressant?
... patients and that their HPA response to stress is elevated. That depression and HPA axis hyperactivity correlate is quite clear. However it is still unclear how this correlation translates into the cause and effects of depression. HPA hyperactivity might well be an effect of depression and suppressi ...
... patients and that their HPA response to stress is elevated. That depression and HPA axis hyperactivity correlate is quite clear. However it is still unclear how this correlation translates into the cause and effects of depression. HPA hyperactivity might well be an effect of depression and suppressi ...
Seminar Chronic disorders of consciousness
... or chronic and irreversible. Diffuse lesions of the thalami, cortical neurons, or the white-matter tracts that connect them cause the vegetative state, which is wakefulness without awareness. Functional imaging with PET and functional MRI shows activation of primary cortical areas with stimulation, b ...
... or chronic and irreversible. Diffuse lesions of the thalami, cortical neurons, or the white-matter tracts that connect them cause the vegetative state, which is wakefulness without awareness. Functional imaging with PET and functional MRI shows activation of primary cortical areas with stimulation, b ...
Somatosensory processes subserving perception and action
... our behaviour. It provides information about the position of different parts of the body with respect to one another. It allows characterisation and localisation of touch, stroking, and pain, and it is important for all motor action involving the body and limbs. Furthermore, tactile exploration info ...
... our behaviour. It provides information about the position of different parts of the body with respect to one another. It allows characterisation and localisation of touch, stroking, and pain, and it is important for all motor action involving the body and limbs. Furthermore, tactile exploration info ...
Topographic Organization of Connections Between the Hypothalamus and
... Dermon and Barbas, 1994). Other areas, including the amygdala and the hippocampus, have relatively specific patterns of projection to the prefrontal cortex (Rosene and Van Hoesen, 1977; Porrino et al., 1981; Amaral and Price, 1984; Barbas and De Olmos, 1990; Barbas and Blatt, 1995). The amygdala pro ...
... Dermon and Barbas, 1994). Other areas, including the amygdala and the hippocampus, have relatively specific patterns of projection to the prefrontal cortex (Rosene and Van Hoesen, 1977; Porrino et al., 1981; Amaral and Price, 1984; Barbas and De Olmos, 1990; Barbas and Blatt, 1995). The amygdala pro ...
ITI-signals and prelimbic cortex facilitate avoidance acquisition and
... the SD of that rectified activity. Response amplitudes, the maximum rectified activity within 125 ms after stimulus onset, were only recorded when post-stimulus activity exceeded the response threshold. For trials in which activity did not reach this criterion “not available” was recorded, for all o ...
... the SD of that rectified activity. Response amplitudes, the maximum rectified activity within 125 ms after stimulus onset, were only recorded when post-stimulus activity exceeded the response threshold. For trials in which activity did not reach this criterion “not available” was recorded, for all o ...
Frontal Eye Field Neurons Reflect Covert, Serial Shifts of Attention
... visual search we performed a psychophysical experiment in which we varied the number of objects in the visual array from 2 to 4. The behavioral RT to find the target during search increased by 22 ms for every item added to the visual array, suggesting that it took the animals approximately 44 ms to ...
... visual search we performed a psychophysical experiment in which we varied the number of objects in the visual array from 2 to 4. The behavioral RT to find the target during search increased by 22 ms for every item added to the visual array, suggesting that it took the animals approximately 44 ms to ...
Tuning Curve Shift by Attention Modulation in Cortical Neurons: a
... 4C). When we simulate an attentional signal with inhibitory surround effect, we use r9A = 0.52, A0 = –0.48 and A1 = 1.5. For each of these models, and each parameter set explored, we found the network activity pattern in response to a single stimulus (centered at xS), and the spatial tuning curve of ...
... 4C). When we simulate an attentional signal with inhibitory surround effect, we use r9A = 0.52, A0 = –0.48 and A1 = 1.5. For each of these models, and each parameter set explored, we found the network activity pattern in response to a single stimulus (centered at xS), and the spatial tuning curve of ...
Where do mirror neurons come from?
... explanation for the differences between monkeys and humans that have led some researchers to question the existence of a ‘mirror neuron system’. Second, it is consistent with evidence indicating that mirror neurons contribute to a range of social cognitive functions, but do not play a dominant, spec ...
... explanation for the differences between monkeys and humans that have led some researchers to question the existence of a ‘mirror neuron system’. Second, it is consistent with evidence indicating that mirror neurons contribute to a range of social cognitive functions, but do not play a dominant, spec ...
Delineation of a frequency-organized region isolated from the
... exposed to a 5- or 35-kHz sound stimulus through a speaker (SRS3050A; Stax) placed above the cage. The exposure sound consisted of an amplitude-modulated tone with a carrier frequency of 5 or 35 kHz and modulation frequency of 20 Hz. Duration of the tones was 500 ms, and a rise/fall time was 10 ms. ...
... exposed to a 5- or 35-kHz sound stimulus through a speaker (SRS3050A; Stax) placed above the cage. The exposure sound consisted of an amplitude-modulated tone with a carrier frequency of 5 or 35 kHz and modulation frequency of 20 Hz. Duration of the tones was 500 ms, and a rise/fall time was 10 ms. ...
Chapter 16 - MBFys Home Page
... The patterns of connections made by local circuit neurons in the medial region of the intermediate zone are different from the patterns made by those in the lateral region, and these differences are related to their respective functions (Figure 16.1). The medial local circuit neurons, which supply t ...
... The patterns of connections made by local circuit neurons in the medial region of the intermediate zone are different from the patterns made by those in the lateral region, and these differences are related to their respective functions (Figure 16.1). The medial local circuit neurons, which supply t ...
FREE Sample Here
... D) The axons would split and take over the function of the dendrites. E) Because cell bodies also receive signals directly from other neurons, some neural communication would continue to take place. Correct. If functioning of the dendrites were impaired, some neural communication could still take pl ...
... D) The axons would split and take over the function of the dendrites. E) Because cell bodies also receive signals directly from other neurons, some neural communication would continue to take place. Correct. If functioning of the dendrites were impaired, some neural communication could still take pl ...
The what, where and how of auditory
... whereas non-spatial activity is observed across the temporal lobe35. Finally, other findings have shown that the ventral stream is involved in the categorization of speech sounds36–38, which is an important component of auditory-object processing 1. Preferential spatial and non-spatial processing is ...
... whereas non-spatial activity is observed across the temporal lobe35. Finally, other findings have shown that the ventral stream is involved in the categorization of speech sounds36–38, which is an important component of auditory-object processing 1. Preferential spatial and non-spatial processing is ...
FREE Sample Here
... D) The axons would split and take over the function of the dendrites. E) Because cell bodies also receive signals directly from other neurons, some neural communication would continue to take place. Correct. If functioning of the dendrites were impaired, some neural communication could still take pl ...
... D) The axons would split and take over the function of the dendrites. E) Because cell bodies also receive signals directly from other neurons, some neural communication would continue to take place. Correct. If functioning of the dendrites were impaired, some neural communication could still take pl ...
Kynurenines in CNS disease: regulation by inflammatory cytokines
... function is necessary for BCG-induced IDO activation (O’connor et al., 2009a). Although IFN-γ is regarded as the primary inducer of IDO, there is some evidence that IDO expression can be induced independently of IFN-γ. Systemic LPS administration induces IDO expression in rat cortex and hippocampus ...
... function is necessary for BCG-induced IDO activation (O’connor et al., 2009a). Although IFN-γ is regarded as the primary inducer of IDO, there is some evidence that IDO expression can be induced independently of IFN-γ. Systemic LPS administration induces IDO expression in rat cortex and hippocampus ...
mastering-the-world-of-psychology-4th-edition-wood
... D) The axons would split and take over the function of the dendrites. E) Because cell bodies also receive signals directly from other neurons, some neural communication would continue to take place. Correct. If functioning of the dendrites were impaired, some neural communication could still take pl ...
... D) The axons would split and take over the function of the dendrites. E) Because cell bodies also receive signals directly from other neurons, some neural communication would continue to take place. Correct. If functioning of the dendrites were impaired, some neural communication could still take pl ...
Gao JCN 2000 - Georgia State University
... used to examine the emergence, distribution, and morphology of PV- and CB-ir neurons in V1 and AI of ferrets. The neuronal morphology and areal and laminar distribution of both PV-ir and CB-ir neurons were qualitatively observed in cortical areas V1 and AI from each age group. For quantitative analy ...
... used to examine the emergence, distribution, and morphology of PV- and CB-ir neurons in V1 and AI of ferrets. The neuronal morphology and areal and laminar distribution of both PV-ir and CB-ir neurons were qualitatively observed in cortical areas V1 and AI from each age group. For quantitative analy ...