Computational Psychiatry Seminar: Spring 2014 Week 11: The
... Modulators of decision making Factors that affect decisions and learning Needs and desires. The utility curve f should reflect the decision maker’s physiological or economic needs. The utility of any amount exceeding the maximal consumption should also saturate. Thus utility functions often have si ...
... Modulators of decision making Factors that affect decisions and learning Needs and desires. The utility curve f should reflect the decision maker’s physiological or economic needs. The utility of any amount exceeding the maximal consumption should also saturate. Thus utility functions often have si ...
Lecture Title
... What is an Artificial Neural Network? An artificial neural network (ANN) is a massively parallel distributed computing system (algorithm, device, or other) that has a natural propensity for storing experiential knowledge and making it available for use. It resembles the brain in two aspects: 1). Kno ...
... What is an Artificial Neural Network? An artificial neural network (ANN) is a massively parallel distributed computing system (algorithm, device, or other) that has a natural propensity for storing experiential knowledge and making it available for use. It resembles the brain in two aspects: 1). Kno ...
Marathon Running on Implicit and Explicit Memory R477B 1 Effects
... neuromodulator levels are altered. Memory dissociations have often been found with patient populations with focal brain damage. But such lesions are not the only situation, or even the most common, in which different memory systems or processes may be selectively engaged. The possibility exists that ...
... neuromodulator levels are altered. Memory dissociations have often been found with patient populations with focal brain damage. But such lesions are not the only situation, or even the most common, in which different memory systems or processes may be selectively engaged. The possibility exists that ...
Emotion suppression reduces hippocampal activity during successful memory encoding ⁎ ⁎⁎
... findings, we expected emotion suppression to affect brain activity in these memory-related brain regions, particularly in the hippocampus and the amygdala, resulting in subsequent impairments of memory recall. Furthermore, we expect emotion suppression to interfere with the hippocampo–neocortical con ...
... findings, we expected emotion suppression to affect brain activity in these memory-related brain regions, particularly in the hippocampus and the amygdala, resulting in subsequent impairments of memory recall. Furthermore, we expect emotion suppression to interfere with the hippocampo–neocortical con ...
pdf file
... mirror neurons, which both are active to prepare for certain actions or bodily changes and when such actions or body states are observed in other persons. The discovery of mirror neurons originates from single cell recording experiments with monkeys in Parma in the 1990s. In particular, the focus wa ...
... mirror neurons, which both are active to prepare for certain actions or bodily changes and when such actions or body states are observed in other persons. The discovery of mirror neurons originates from single cell recording experiments with monkeys in Parma in the 1990s. In particular, the focus wa ...
The neuronal structure of the substantia nigra in the guinea pig
... multipolar neurons are uniformly distributed in both parts of SN. These bipolar, triangular, multipolar and pear-shaped neurons of the guinea pig correspond most probably to the large fusiform (type I), small and medium-sized triangular (type II), large and medium-sized multipolar (type III) and sma ...
... multipolar neurons are uniformly distributed in both parts of SN. These bipolar, triangular, multipolar and pear-shaped neurons of the guinea pig correspond most probably to the large fusiform (type I), small and medium-sized triangular (type II), large and medium-sized multipolar (type III) and sma ...
Abnormal gray matter aging in chronic pain patients
... (Bergfield et al., 2009; Blinkov and Glezer, 1968; Good et al., 2001; McGinnis et al., 2011; Morrison and Hof, 2007; Sowell et al., 2003), although hypertrophy has also been reported in some brain areas (Fjell et al., 2009; Salat et al., 2004). GM changes in the brain also occur with dysfunction, in ...
... (Bergfield et al., 2009; Blinkov and Glezer, 1968; Good et al., 2001; McGinnis et al., 2011; Morrison and Hof, 2007; Sowell et al., 2003), although hypertrophy has also been reported in some brain areas (Fjell et al., 2009; Salat et al., 2004). GM changes in the brain also occur with dysfunction, in ...
Auditory memory function in expert chess players
... and socioaffective aspects in adolescents. Using the Wechsler intelligence scale for children (WICS-R), the cognitive competence variable was analyzed. The results revealed that after one year of regular chess practice, cognitive skills like attention and focus, perception organization and planning, ...
... and socioaffective aspects in adolescents. Using the Wechsler intelligence scale for children (WICS-R), the cognitive competence variable was analyzed. The results revealed that after one year of regular chess practice, cognitive skills like attention and focus, perception organization and planning, ...
Digital Selection and Analogue Amplification Coexist in a cortex-inspired silicon circuit
... excitatory neurons, and returns inhibition to them. This simple architecture and similar variants have been used previously to model response properties of neurons in cortex5±9 and other10±12 brain areas. The output of each excitatory neuron is an electrical current that is positive if the neuron is ...
... excitatory neurons, and returns inhibition to them. This simple architecture and similar variants have been used previously to model response properties of neurons in cortex5±9 and other10±12 brain areas. The output of each excitatory neuron is an electrical current that is positive if the neuron is ...
The Nervous System - Learning on the Loop
... Cell membranes contain myelin Myelin insulates axons and enables axons to send nerve impulses more quickly ...
... Cell membranes contain myelin Myelin insulates axons and enables axons to send nerve impulses more quickly ...
1 The Brain and Behavior
... Two Opposing Views Have Been Advanced on the Relationship Between Brain and Behavior Our current views about nerve cells, the brain, and behavior have emerged over the last century from a convergence of five experimental traditions: anatomy, embryology, physiology, pharmacology, and psychology. Befo ...
... Two Opposing Views Have Been Advanced on the Relationship Between Brain and Behavior Our current views about nerve cells, the brain, and behavior have emerged over the last century from a convergence of five experimental traditions: anatomy, embryology, physiology, pharmacology, and psychology. Befo ...
Solving Everyday Physical Reasoning Problems by Analogy using
... properties and relationships, spatial knowledge, and representations to support analogical reasoning, but the vast majority of the content that we deal with was independently developed. The breadth of this KB makes it an excellent platform for exploring common sense reasoning. Glyphs are the basic c ...
... properties and relationships, spatial knowledge, and representations to support analogical reasoning, but the vast majority of the content that we deal with was independently developed. The breadth of this KB makes it an excellent platform for exploring common sense reasoning. Glyphs are the basic c ...
Lecture 3 NS_2015
... There are several types of second messenger systems in the postsynaptic neuron. One of the most prevailing types in neurons, G-protein (with , & components), is attached to the portion of the receptor protein that protrudes to the interior of the cell. G-protein activation: a nerve impulse acti ...
... There are several types of second messenger systems in the postsynaptic neuron. One of the most prevailing types in neurons, G-protein (with , & components), is attached to the portion of the receptor protein that protrudes to the interior of the cell. G-protein activation: a nerve impulse acti ...
- Journal of Clinical Investigation
... occur more frequently in hyponatremic patients with a higher correction rate of serum sodium. In experimental animals, including rats (6, 7), rabbits (8), and dogs (9), rapid correction of hyponatremia has been shown persistently resulting in demyelinative lesions. However, not all investigators agr ...
... occur more frequently in hyponatremic patients with a higher correction rate of serum sodium. In experimental animals, including rats (6, 7), rabbits (8), and dogs (9), rapid correction of hyponatremia has been shown persistently resulting in demyelinative lesions. However, not all investigators agr ...
Solving Everyday Physical Reasoning Problems
... properties and relationships, spatial knowledge, and representations to support analogical reasoning, but the vast majority of the content that we deal with was independently developed. The breadth of this KB makes it an excellent platform for exploring common sense reasoning. Glyphs are the basic c ...
... properties and relationships, spatial knowledge, and representations to support analogical reasoning, but the vast majority of the content that we deal with was independently developed. The breadth of this KB makes it an excellent platform for exploring common sense reasoning. Glyphs are the basic c ...
Running head: REMEMBERING AND FORGETTING 1
... task despite having no memory for having previously performed the task. Jacoby (1983) provided a less dramatic example of the same phenomenon: After participants read a list of words, they were tested o ...
... task despite having no memory for having previously performed the task. Jacoby (1983) provided a less dramatic example of the same phenomenon: After participants read a list of words, they were tested o ...
Does Mental Activity Change the Oxidative Metabolism of the Brain?
... physiological stimulation on rCMR0, and rCBF. Theseauthors then demonstratedthat vibration of the contralateral index finger provoked a 30% increaseof rCBF in the sensoryhand area, which was not accompaniedby any statistically significant increaseof rCMR0,. This uncoupling betweenrCMR0, and rCBF was ...
... physiological stimulation on rCMR0, and rCBF. Theseauthors then demonstratedthat vibration of the contralateral index finger provoked a 30% increaseof rCBF in the sensoryhand area, which was not accompaniedby any statistically significant increaseof rCMR0,. This uncoupling betweenrCMR0, and rCBF was ...
Physiology
... Sensitization of a synapse is the potentiation of the postsynaptic response to a certain stimulus by coupling the stimulus to another intense (usually painful) stimulus (fig.2-1). The terminal which conducts the intense or painful stimulus is called a facilitator terminal which relays on the presyna ...
... Sensitization of a synapse is the potentiation of the postsynaptic response to a certain stimulus by coupling the stimulus to another intense (usually painful) stimulus (fig.2-1). The terminal which conducts the intense or painful stimulus is called a facilitator terminal which relays on the presyna ...
Morphological and Quantitative Study of Neurons in the Gracile
... had large somata and almost smooth dendrites. Type III neurons displayed medium size somata with dendritic appendages of different forms. Type IV neurons were small to medium spheroidal or triangular neurons. Somata and dendrites of these neurons had appendages of different forms. Type V medium-size ...
... had large somata and almost smooth dendrites. Type III neurons displayed medium size somata with dendritic appendages of different forms. Type IV neurons were small to medium spheroidal or triangular neurons. Somata and dendrites of these neurons had appendages of different forms. Type V medium-size ...
The neural basis of the speed–accuracy tradeoff - Eric
... fast and stimulus onset. Under the assumption that the observed BOLD signal in these areas is produced by the activity of integrator neurons, the data from these three fMRI studies suggest that speed instructions increase the baseline activity of these neurons. We are not aware of any neurophysiolog ...
... fast and stimulus onset. Under the assumption that the observed BOLD signal in these areas is produced by the activity of integrator neurons, the data from these three fMRI studies suggest that speed instructions increase the baseline activity of these neurons. We are not aware of any neurophysiolog ...
Linking Cognitive Neuroscience and Molecular Genetics: New Perspectives from Williams... Ursula Bellugi and Marie St. George (Eds.)
... brain of subjects. Initial studies revealed that both WMS and DNS leave a distinctive morphological stamp on specific brain regions. Past MRI studies of brain volumes were performed on a group of matched adolescents and young adults with WMS and DNS (Bellugi, Hickok, Lai, & Jernigan, 1997; Jernigan ...
... brain of subjects. Initial studies revealed that both WMS and DNS leave a distinctive morphological stamp on specific brain regions. Past MRI studies of brain volumes were performed on a group of matched adolescents and young adults with WMS and DNS (Bellugi, Hickok, Lai, & Jernigan, 1997; Jernigan ...
Chunk formation in immediate memory and how it relates to data
... Fig. 2. Example of three sequences from the category structure ‘‘square or small”, representing six items (top left cube). Note: The six items are replaced by black numbered circles on each of the three cubes to simulate their sequencing. In each of the three cubes, the presentation order is indicat ...
... Fig. 2. Example of three sequences from the category structure ‘‘square or small”, representing six items (top left cube). Note: The six items are replaced by black numbered circles on each of the three cubes to simulate their sequencing. In each of the three cubes, the presentation order is indicat ...
Brain Part
... Most basic functions (sensory & motor) are equally controlled by both left & right hemispheres (remember communication exists through corpus callosum). o However, for some association functions, one hemisphere has greater control over language-related activities including speech, writing, reading, m ...
... Most basic functions (sensory & motor) are equally controlled by both left & right hemispheres (remember communication exists through corpus callosum). o However, for some association functions, one hemisphere has greater control over language-related activities including speech, writing, reading, m ...
Neural correlates of consciousness: A definition of the dorsal and
... conceptualization of the visual streams. The model also presents a solution to the binding problem of a neural correlate of consciousness, that is, how a distributed neural network synchronizes its activity during a cognitive event. It represents a reinterpretation of the current status of the visua ...
... conceptualization of the visual streams. The model also presents a solution to the binding problem of a neural correlate of consciousness, that is, how a distributed neural network synchronizes its activity during a cognitive event. It represents a reinterpretation of the current status of the visua ...