The role of the medial frontal cortex in the maintenance of emotional
... In this study, we used the emotional state maintenance task that C.E. Waugh and I.H. Gotlib (unpublished data) adapted from Mikels et al. (2008) to examine the neural correlates of emotion maintenance. We tested two hypotheses. We predicted that if people ‘simply maintain’ their emotional states, re ...
... In this study, we used the emotional state maintenance task that C.E. Waugh and I.H. Gotlib (unpublished data) adapted from Mikels et al. (2008) to examine the neural correlates of emotion maintenance. We tested two hypotheses. We predicted that if people ‘simply maintain’ their emotional states, re ...
Convergent grey and white matter evidence of
... scores could discriminate 490% of behavioural variant FTD and patients with Alzheimer’s disease. The neural correlates of performance in the Hayling Test, which appears sensitive and specific to behavioural variant FTD, have not been explored using automated methods of structural brain analysis, suc ...
... scores could discriminate 490% of behavioural variant FTD and patients with Alzheimer’s disease. The neural correlates of performance in the Hayling Test, which appears sensitive and specific to behavioural variant FTD, have not been explored using automated methods of structural brain analysis, suc ...
Basal Ganglia: Mechanisms for Action Selection
... representing each of those actions. A long-standing concept in basal ganglia research is the existence of parallel loops running through the basal ganglia (Alexander et al. 1986; Middleton and Strick 2000). At the macroscopic level, independent domains of the basal ganglia have been identified by th ...
... representing each of those actions. A long-standing concept in basal ganglia research is the existence of parallel loops running through the basal ganglia (Alexander et al. 1986; Middleton and Strick 2000). At the macroscopic level, independent domains of the basal ganglia have been identified by th ...
Electroencephalogram based Brain
... Brain-Computer Interface (BCI) is a revolutionary new area using EEG that is most useful for the severely disabled individuals for hands-off device control and communication as they create a direct interface from the brain to the external environment, therefore circumventing the use of peripheral mu ...
... Brain-Computer Interface (BCI) is a revolutionary new area using EEG that is most useful for the severely disabled individuals for hands-off device control and communication as they create a direct interface from the brain to the external environment, therefore circumventing the use of peripheral mu ...
Cortical Motor Organization, Mirror Neurons, and
... together, a ‘storage’ of motor representations, a kind of ‘internal motor knowledge’ of the individual. Coming back to the motor imagery function (see above), whenever an individual imagines to perform a motor act, the activation of the motor cortex reflects the activation of specific motor represen ...
... together, a ‘storage’ of motor representations, a kind of ‘internal motor knowledge’ of the individual. Coming back to the motor imagery function (see above), whenever an individual imagines to perform a motor act, the activation of the motor cortex reflects the activation of specific motor represen ...
pdf - Olin Neuropsychiatry Research Center
... target (Go) and nontarget (NoGo) stimulus may be made equivalent in all respects but the critical aspect, namely, the behavioural goal that is ascribed solely to the target stimulus. Previously, the Go/NoGo paradigm has been used to elucidate the brain areas that support the response inhibition proc ...
... target (Go) and nontarget (NoGo) stimulus may be made equivalent in all respects but the critical aspect, namely, the behavioural goal that is ascribed solely to the target stimulus. Previously, the Go/NoGo paradigm has been used to elucidate the brain areas that support the response inhibition proc ...
ppt - IISER Pune
... Normally, gradient of RA with RA levels very high in posterior portion of Xenopus embryos Treatment with RA results in inhibition of anterior Hox gene expression and loss of anterior parts of nervous system ...
... Normally, gradient of RA with RA levels very high in posterior portion of Xenopus embryos Treatment with RA results in inhibition of anterior Hox gene expression and loss of anterior parts of nervous system ...
View PDF - CiteSeerX
... that encode oral somatosensory stimuli including viscosity, fat texture, temperature and capsaicin(17). Some neurons in the primary taste cortex respond to particular combinations of taste and oral texture stimuli, but do not respond to olfactory stimuli or visual stimuli such as the sight of food(1 ...
... that encode oral somatosensory stimuli including viscosity, fat texture, temperature and capsaicin(17). Some neurons in the primary taste cortex respond to particular combinations of taste and oral texture stimuli, but do not respond to olfactory stimuli or visual stimuli such as the sight of food(1 ...
Multistable representation of speech forms: a functional - GIPSA-Lab
... suddenly pops up, corresponding to an abrupt change in perception of the original speech form. This transformation process persists throughout the repetition procedure, leading to perceptual transitions from one speech form to another (or back to the original form). For example, rapid repetitions of ...
... suddenly pops up, corresponding to an abrupt change in perception of the original speech form. This transformation process persists throughout the repetition procedure, leading to perceptual transitions from one speech form to another (or back to the original form). For example, rapid repetitions of ...
Neural Coding 2016
... bridging disciplines and introducing theoretical ideas and methods to neuroscience research. This concept of combining theoretical and experimental approaches has proven highly successful and nowadays plays a pivotal role in the modern neurosciences. Research in neural coding covers neural represent ...
... bridging disciplines and introducing theoretical ideas and methods to neuroscience research. This concept of combining theoretical and experimental approaches has proven highly successful and nowadays plays a pivotal role in the modern neurosciences. Research in neural coding covers neural represent ...
Comparison of linear signal processing techniques to infer directed
... economics to biomedical sciences. Investigations of interactions between different brain structures are of strong interest in neuroscience. The information contained in electromagnetic signals may be used to quantify the information transfer between those structures. When investigating such interact ...
... economics to biomedical sciences. Investigations of interactions between different brain structures are of strong interest in neuroscience. The information contained in electromagnetic signals may be used to quantify the information transfer between those structures. When investigating such interact ...
Visuospatial processing and the right
... The architecture of the visual system is such that at early levels of processing the representation of visual space in each hemisphere is unique. That is, each hemisphere represents the contralateral visual hemifield. At higher levels of the processing hierarchy, however, the representation of the vi ...
... The architecture of the visual system is such that at early levels of processing the representation of visual space in each hemisphere is unique. That is, each hemisphere represents the contralateral visual hemifield. At higher levels of the processing hierarchy, however, the representation of the vi ...
The role of temporal parameters in a thalamocortical model of analogy
... A more difficult issue is how filtering can be done, i.e., how can input-driven cortical activity be distinguished from cortex-driven cortical activity? As suggested in [27] and [28], the TRN is a promising location where such a filtering can occur. The basic idea is that the reticular neurons recei ...
... A more difficult issue is how filtering can be done, i.e., how can input-driven cortical activity be distinguished from cortex-driven cortical activity? As suggested in [27] and [28], the TRN is a promising location where such a filtering can occur. The basic idea is that the reticular neurons recei ...
Amelioration of Delayed Neuronal Death in the Hippocampus by
... The gerbils survived well, and no seizureswere observedeither in the acute stageof ischemia or up to 1 week later. Although there was a mortality of lessthan 10%up to 1 week, there was no difference between the five groupsof treatment. Neuropathological studies were not undertaken on the gerbils tha ...
... The gerbils survived well, and no seizureswere observedeither in the acute stageof ischemia or up to 1 week later. Although there was a mortality of lessthan 10%up to 1 week, there was no difference between the five groupsof treatment. Neuropathological studies were not undertaken on the gerbils tha ...
[3h]cyclohexyladenosine
... and Wu, 1981) based on the close correlation between their central stimulant potencies and affinities for adenosine receptor binding sites (Snyder et al., 1981; Daly et al., 1981). It has been difficult to determine whether adenosine, like other neurotransmitter candidates, is localized to specific ...
... and Wu, 1981) based on the close correlation between their central stimulant potencies and affinities for adenosine receptor binding sites (Snyder et al., 1981; Daly et al., 1981). It has been difficult to determine whether adenosine, like other neurotransmitter candidates, is localized to specific ...
BRAIN DYNAMICS AT MULTIPLE SCALES: CAN ONE RECONCILE
... networks. In this paper, we intend to study a specific spiking neuron model which displays these properties and yield biophysical behavior relevant to understand EEG data. Classical nonlinear tools as the correlation dimension or the Lyapunov exponents have given some insight on macroscopic quantitie ...
... networks. In this paper, we intend to study a specific spiking neuron model which displays these properties and yield biophysical behavior relevant to understand EEG data. Classical nonlinear tools as the correlation dimension or the Lyapunov exponents have given some insight on macroscopic quantitie ...
Artificial Intelligence (AI). Neural Networks
... Each neuron in the brain can take electrochemical signals as input via its dendrites and can process them before sending new signals along the axon and via the dendrites of the other connected neurons. The neuron sends signal if the collective influence of all its inputs reaches a threshold level (a ...
... Each neuron in the brain can take electrochemical signals as input via its dendrites and can process them before sending new signals along the axon and via the dendrites of the other connected neurons. The neuron sends signal if the collective influence of all its inputs reaches a threshold level (a ...
Neurophysiological correlates of hypnotic analgesia
... activity elicited by peripherical stimulation, but also supraspinal pain-control system. Functional imaging studies have identified activation in midcingulate cortex, area 24′a as directly mediating the changes in pain perception specific to hypnotic suggestion. Hypnosis was found to enhance functio ...
... activity elicited by peripherical stimulation, but also supraspinal pain-control system. Functional imaging studies have identified activation in midcingulate cortex, area 24′a as directly mediating the changes in pain perception specific to hypnotic suggestion. Hypnosis was found to enhance functio ...
Uygar Sümbül - Department of Statistics
... • Whole cell analysis of synapse distributions (with Prof. Liam Paninski and Prof. Franck Polleux) All excitatory and inhibitory synapses on the dendritic arbors of cortical pyramidal neurons are identified using structural and molecular information. Statistical methods are devised to analyze their ...
... • Whole cell analysis of synapse distributions (with Prof. Liam Paninski and Prof. Franck Polleux) All excitatory and inhibitory synapses on the dendritic arbors of cortical pyramidal neurons are identified using structural and molecular information. Statistical methods are devised to analyze their ...
Large-Scale Functional Connectivity in Associative Learning
... One approach to the study of the neural basis of learning and memory involves the exploration of how multiple brain regions interact in different learned behaviors (GonzalezLima and McIntosh 1994; McIntosh and Gonzalez-Lima 1994a). Rather than focusing on particular neural structures, the approach e ...
... One approach to the study of the neural basis of learning and memory involves the exploration of how multiple brain regions interact in different learned behaviors (GonzalezLima and McIntosh 1994; McIntosh and Gonzalez-Lima 1994a). Rather than focusing on particular neural structures, the approach e ...
REVIEWS - Institute for Applied Psychometrics
... Figure 3 | The pacemaker–accumulator model and dopaminergic and cholinergic synapses. a | Shows an information-processing (IP) model of time perception8 implementing the scalar expectancy theory43. In the model, a dopaminergic pacemaker sends ‘pulses’ to an accumulator during the training period, an ...
... Figure 3 | The pacemaker–accumulator model and dopaminergic and cholinergic synapses. a | Shows an information-processing (IP) model of time perception8 implementing the scalar expectancy theory43. In the model, a dopaminergic pacemaker sends ‘pulses’ to an accumulator during the training period, an ...
Chapter 2 An Integrative Approach to Psychopathology
... Factors in Psychopathology Cultural Factors Influence form and expression of behavior Gender Effects Exerts a strong and puzzling effect on psychopathology Social Effects on Health and Behavior Frequency and quality are important Related to mortality, disease, and psychopathology Sti ...
... Factors in Psychopathology Cultural Factors Influence form and expression of behavior Gender Effects Exerts a strong and puzzling effect on psychopathology Social Effects on Health and Behavior Frequency and quality are important Related to mortality, disease, and psychopathology Sti ...
Review Article Long-Term Memory Search across the
... Copyright © 2012 Milan Fedurco. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. Signal transmission from the human retina to visual c ...
... Copyright © 2012 Milan Fedurco. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. Signal transmission from the human retina to visual c ...
“Congruent” and “Opposite” Neurons: Sisters for Multisensory
... which works well when the sensory cues are originated from the same object. In cases where the sensory cues originate from different objects, the brain should segregate, rather than integrate, the cues. In a noisy environment, however, the brain is unable to differentiate the two situations at first ...
... which works well when the sensory cues are originated from the same object. In cases where the sensory cues originate from different objects, the brain should segregate, rather than integrate, the cues. In a noisy environment, however, the brain is unable to differentiate the two situations at first ...