Everitt et al. (2000) in The Amygdala - Rudolf Cardinal
... In the experiments to be described, we have used three procedures to assess associative mechanisms that impact on reflexive and voluntary behavioural responses. These are: (i) pavlovian approach behaviour, which provides a means of measuring the tendency of animals to approach stimuli that have acqu ...
... In the experiments to be described, we have used three procedures to assess associative mechanisms that impact on reflexive and voluntary behavioural responses. These are: (i) pavlovian approach behaviour, which provides a means of measuring the tendency of animals to approach stimuli that have acqu ...
Bounded Rationality and the Emergence of
... consistency view in economics was further entrenched by the axiomatization of economic theory. Apart from these developments, two other developments that are usually mentioned in discussing rationality in modern economics, namely, game theory and rational expectations. Formal treatments of game the ...
... consistency view in economics was further entrenched by the axiomatization of economic theory. Apart from these developments, two other developments that are usually mentioned in discussing rationality in modern economics, namely, game theory and rational expectations. Formal treatments of game the ...
The projection of the lateral geniculate nucleus to area 17 of the rat
... Following a post-operative survival period of 2 or 4 days, the animals were anesthetized, artificially respired, and perfused through the ascending aorta with concentrated and dilute buffered aldehyde mixture, as previously described (Peters, 197o; Peters and Walsh, 1972). For assessment of the lesi ...
... Following a post-operative survival period of 2 or 4 days, the animals were anesthetized, artificially respired, and perfused through the ascending aorta with concentrated and dilute buffered aldehyde mixture, as previously described (Peters, 197o; Peters and Walsh, 1972). For assessment of the lesi ...
Soghomonian J.J., Sethares C., and Peters, A
... axodendritic synapses are lost from the neuropil of layer 2/3 in prefrontal area 46 with age (Peters et al., 2008). Whether there is a similar loss of inhibitory axosomatic synapses from this cortex has not been determined, but a study in primate motor cortex suggests that axosomatic synapses are no ...
... axodendritic synapses are lost from the neuropil of layer 2/3 in prefrontal area 46 with age (Peters et al., 2008). Whether there is a similar loss of inhibitory axosomatic synapses from this cortex has not been determined, but a study in primate motor cortex suggests that axosomatic synapses are no ...
Subgraphs of functional brain networks identify dynamical
... block-level adjacency matrices per subject. Importantly, positive Pearson correlations underlie integrated and coherent activation between brain regions or cooperative functional interactions and negative Pearson correlations underlie segregated and discordant activation between brain regions or com ...
... block-level adjacency matrices per subject. Importantly, positive Pearson correlations underlie integrated and coherent activation between brain regions or cooperative functional interactions and negative Pearson correlations underlie segregated and discordant activation between brain regions or com ...
Simulation of signal flow in 3D reconstructions of an anatomically
... in location-specific spiking of cortical cells. Specifically, a radial decay in spiking probability toward the column borders could be a general feature of signal flow in a barrel column. Our simulations provide insights of how anatomical parameters, such as the subcellular organization of synapses, ...
... in location-specific spiking of cortical cells. Specifically, a radial decay in spiking probability toward the column borders could be a general feature of signal flow in a barrel column. Our simulations provide insights of how anatomical parameters, such as the subcellular organization of synapses, ...
M a s t
... The first task of this thesis is to assess the developments in literature analysing the phenomenon of brain drain (from the traditional to contemporary approaches). In doing so, I will present and evaluate the significance and effects of skilled migration while considering the debates in academic de ...
... The first task of this thesis is to assess the developments in literature analysing the phenomenon of brain drain (from the traditional to contemporary approaches). In doing so, I will present and evaluate the significance and effects of skilled migration while considering the debates in academic de ...
Neuronal-Derived Nitric Oxide and Somatodendritically Released
... !"41 # 7% (n * 6) from steady-state arteriole constriction. D, Summary data of the diameter (%) changes in response to U46619 (steady-state), VP, and normal versus tone (Fig. 1C,D). Onset vasoconstriction high pH (7.8). E, Representative diameter trace for VP- and high pH-induced parenchymal arterio ...
... !"41 # 7% (n * 6) from steady-state arteriole constriction. D, Summary data of the diameter (%) changes in response to U46619 (steady-state), VP, and normal versus tone (Fig. 1C,D). Onset vasoconstriction high pH (7.8). E, Representative diameter trace for VP- and high pH-induced parenchymal arterio ...
BOLD fMRI study of ultrahigh frequency encoding in the
... Portfors et al., 2009; Portfors and Wenstrup, 2002). This strategy could effectively reduce the large number of combinations to test, but also induced large variation in the frequency values tested in a study. With such limitations, it was not addressed whether UHFs are encoded in a generally organi ...
... Portfors et al., 2009; Portfors and Wenstrup, 2002). This strategy could effectively reduce the large number of combinations to test, but also induced large variation in the frequency values tested in a study. With such limitations, it was not addressed whether UHFs are encoded in a generally organi ...
A Physiologically Plausible Model of Action Selection
... The basal ganglia (BG) have long been implicated in both motor function and dysfunction. It has been proposed that the BG form a centralized action selection circuit, resolving conflict between multiple neural systems competing for access to the final common motor pathway. We present a new spiking n ...
... The basal ganglia (BG) have long been implicated in both motor function and dysfunction. It has been proposed that the BG form a centralized action selection circuit, resolving conflict between multiple neural systems competing for access to the final common motor pathway. We present a new spiking n ...
Is the Lateral Septum's Inhibitory Influence on the Amygdala Mediated... GABA-ergic Neurons? Mason Austin
... In addition to these behavioral models, purely physiological approaches are often used to examine the neural response of brain areas proposed to be involved in the production and modulation of anxiety. Electrophysiological activity of a group of cells in a particular region may be recorded after adm ...
... In addition to these behavioral models, purely physiological approaches are often used to examine the neural response of brain areas proposed to be involved in the production and modulation of anxiety. Electrophysiological activity of a group of cells in a particular region may be recorded after adm ...
From Neuro-Psychoanalysis to Cognitive and Affective Automation Systems
... Thereafter, a discussion of fundamental issues about the possibility of creating machines with mental capabilities ensues. How can the matter/mind problem, that is, the problem of symbol reference, be solved? How are the world and our images of it coordinated? What do we understand by information p ...
... Thereafter, a discussion of fundamental issues about the possibility of creating machines with mental capabilities ensues. How can the matter/mind problem, that is, the problem of symbol reference, be solved? How are the world and our images of it coordinated? What do we understand by information p ...
Neural mechanisms underlying the evolvability of behaviour
... are phylogenetically constrained; nevertheless particular species-specific behaviours have repeatedly evolved, suggesting a predisposition towards those behaviours. Independently evolved behaviours in animals that share a common neural architecture are generally produced by homologous neural structu ...
... are phylogenetically constrained; nevertheless particular species-specific behaviours have repeatedly evolved, suggesting a predisposition towards those behaviours. Independently evolved behaviours in animals that share a common neural architecture are generally produced by homologous neural structu ...
No Slide Title
... Many visual areas are organized as retinotopic maps: locations next to each other in the outside world are represented by neurons close to each other in cortex. Although the topology is thus preserved, the mapping typically is highly nonlinear (yielding large deformations in representation). ...
... Many visual areas are organized as retinotopic maps: locations next to each other in the outside world are represented by neurons close to each other in cortex. Although the topology is thus preserved, the mapping typically is highly nonlinear (yielding large deformations in representation). ...
Insula function in anorexia nervosa
... disorders as anorexia nervosa8, 9. It is therefore important to investigate insula connectivity in resting state. Those results will give more insights in the neurocircuitry in which the insula plays a crucial role and can therefore be used to investigated neural disorders so ultimately better treat ...
... disorders as anorexia nervosa8, 9. It is therefore important to investigate insula connectivity in resting state. Those results will give more insights in the neurocircuitry in which the insula plays a crucial role and can therefore be used to investigated neural disorders so ultimately better treat ...
Ulanovsky et al., 2003
... Key words: forward suppression, adaptation, spectrotemporal context, cortex, interneurons Abstract Cortical responses to repeated stimuli are highly dynamic and rapidly adaptive. Such rapid changes are prominent in all sensory cortices, across which many aspects of circuitry are conserved. As an exa ...
... Key words: forward suppression, adaptation, spectrotemporal context, cortex, interneurons Abstract Cortical responses to repeated stimuli are highly dynamic and rapidly adaptive. Such rapid changes are prominent in all sensory cortices, across which many aspects of circuitry are conserved. As an exa ...
Neural networks underlying parietal lobe seizures: A
... postcentral sulcus (see details in the text). (B) Upper figure. Example of depth electrode implantation for stereoelectroencephalographic (SEEG) exploration in parietal lobe epilepsy. A lateral view of all depth electrodes superimposed on a 3D reconstruction of the neocortical surface of the brain is ...
... postcentral sulcus (see details in the text). (B) Upper figure. Example of depth electrode implantation for stereoelectroencephalographic (SEEG) exploration in parietal lobe epilepsy. A lateral view of all depth electrodes superimposed on a 3D reconstruction of the neocortical surface of the brain is ...
Lateral Connectivity and Contextual Interactions in Macaque
... contour integration in primary visual cortex (V1): intrinsic horizontal connections and feedback from higher cortical areas. To distinguish between these, we combined functional mapping with a new technique for labeling axons, a recombinant adenovirus bearing the gene for green fluorescent protein ( ...
... contour integration in primary visual cortex (V1): intrinsic horizontal connections and feedback from higher cortical areas. To distinguish between these, we combined functional mapping with a new technique for labeling axons, a recombinant adenovirus bearing the gene for green fluorescent protein ( ...
521 THE CHOLINERGIC LIMBIC SYSTEM: PROJECTIONS TO
... (a) Nuclei supplying medial cortex.—The anterior thalamic nuclei are supplied directly by fornix fibres as well as indirectly through the mammillothalamic tract (Guillery, 1966; Nauta, 1956). The anteroventral nucleus is rich in both AChE and ChE, which is located in the cells and extracellularly in ...
... (a) Nuclei supplying medial cortex.—The anterior thalamic nuclei are supplied directly by fornix fibres as well as indirectly through the mammillothalamic tract (Guillery, 1966; Nauta, 1956). The anteroventral nucleus is rich in both AChE and ChE, which is located in the cells and extracellularly in ...
Word Definition 12 Cranial Nerve innervation of
... other animals, and grasping of objects in feeding and other activities. Behavioral patterns present in one form or another in all animals because they are necessary for survival and reproduction. The basal and lateral nuclei of the amygdala develop from the embryonic pallium. The lateral nucleus rec ...
... other animals, and grasping of objects in feeding and other activities. Behavioral patterns present in one form or another in all animals because they are necessary for survival and reproduction. The basal and lateral nuclei of the amygdala develop from the embryonic pallium. The lateral nucleus rec ...
Differential effects of 10-Hz and 40
... cuing tasks—one to assess endogenous attention and one to assess exogenous attention. Experimental sessions were conducted in an electrically-shielded, sound-attenuated booth, and stimuli were presented on a cathode ray tube (CRT) monitor positioned 75 cm from the participant, using Presentation sof ...
... cuing tasks—one to assess endogenous attention and one to assess exogenous attention. Experimental sessions were conducted in an electrically-shielded, sound-attenuated booth, and stimuli were presented on a cathode ray tube (CRT) monitor positioned 75 cm from the participant, using Presentation sof ...
Dr. Abeer Mahmoud - PNU-CS-AI
... Some numbers… The human brain contains about 10 billion nerve cells (neurons). Each neuron is connected to the others through 10000 synapses. Properties of the brain: It can learn, reorganize itself from experience. It adapts to the environment. ...
... Some numbers… The human brain contains about 10 billion nerve cells (neurons). Each neuron is connected to the others through 10000 synapses. Properties of the brain: It can learn, reorganize itself from experience. It adapts to the environment. ...
The cortical column: a structure without a function
... Beckman Vision Center, 10 Koret Way, University of California, San Francisco, CA 94143-0730, USA This year, the field of neuroscience celebrates the 50th anniversary of Mountcastle’s discovery of the cortical column. In this review, we summarize half a century of research and come to the disappointi ...
... Beckman Vision Center, 10 Koret Way, University of California, San Francisco, CA 94143-0730, USA This year, the field of neuroscience celebrates the 50th anniversary of Mountcastle’s discovery of the cortical column. In this review, we summarize half a century of research and come to the disappointi ...
Two Types of Neurons in the Primate Globus
... each trial (see below). Experiments were carried out in a darkened booth. Voltages proportional to horizontal and vertical eye position were calibrated before each experiment by having monkeys fixate on a stationary target spot at known visual angles. Thereafter, visual stimuli were presented in indi ...
... each trial (see below). Experiments were carried out in a darkened booth. Voltages proportional to horizontal and vertical eye position were calibrated before each experiment by having monkeys fixate on a stationary target spot at known visual angles. Thereafter, visual stimuli were presented in indi ...
Developmental structure in brain evolution
... The reason for this well-characterized relationship (Martin 1982) has always remained essentially unexplained, though there have been many intriguing attempts. The neural machinery for controlling muscles and for enervating the sensory surface might reasonably increase with some function of body siz ...
... The reason for this well-characterized relationship (Martin 1982) has always remained essentially unexplained, though there have been many intriguing attempts. The neural machinery for controlling muscles and for enervating the sensory surface might reasonably increase with some function of body siz ...