Brain days-Part V-Limbic
... It is possible that the altered emotional regulation or cognition found in all of these syndromes involves aberrant function of these circuits, but perhaps with different patterns on a molecular level. Phillips et al. 2003 ...
... It is possible that the altered emotional regulation or cognition found in all of these syndromes involves aberrant function of these circuits, but perhaps with different patterns on a molecular level. Phillips et al. 2003 ...
The Computation and Comparison of Value in Goal
... basic types of computations (Rangel et al., 2008). First, a representation of the decision problem needs to be constructed. This entails identifying potential courses of action (e.g., to pursue a prey item or not), as well internal states (e.g., the hunger level) and external states (e.g., the threa ...
... basic types of computations (Rangel et al., 2008). First, a representation of the decision problem needs to be constructed. This entails identifying potential courses of action (e.g., to pursue a prey item or not), as well internal states (e.g., the hunger level) and external states (e.g., the threa ...
Structural Abnormalities of the Central Auditory Pathway in Infants
... MRI scanning and image-processing approach, and the results were compared to those of age- and sex-matched normal control participants. It has been reported that MRI processing software, including SPM, Brainvoyager, FreeSurfer, Caret, BrainSuite, and BrainVisa, might have bias when analyzing brain i ...
... MRI scanning and image-processing approach, and the results were compared to those of age- and sex-matched normal control participants. It has been reported that MRI processing software, including SPM, Brainvoyager, FreeSurfer, Caret, BrainSuite, and BrainVisa, might have bias when analyzing brain i ...
New Insights on Neural Basis of Choice
... neuroeconomics, a branch in neuroscience that is still in its infancy. Although choosing among different types of goods and products might be very challenging, our brains are able to compute our choice with a fascinating velocity. A large number of experiments have investigated the neural correlates ...
... neuroeconomics, a branch in neuroscience that is still in its infancy. Although choosing among different types of goods and products might be very challenging, our brains are able to compute our choice with a fascinating velocity. A large number of experiments have investigated the neural correlates ...
Characterizing cognition in ADHD: beyond executive dysfunction
... moderate associations emerges. A meta-analysis comprising 83 studies and over 6700 subjects found associations between ADHD and executive dysfunction across all domains tested (i.e. planning, vigilance, set shifting, and verbal and spatial working memory) ranging in effect from dZ0.4–0.7 [19]. A met ...
... moderate associations emerges. A meta-analysis comprising 83 studies and over 6700 subjects found associations between ADHD and executive dysfunction across all domains tested (i.e. planning, vigilance, set shifting, and verbal and spatial working memory) ranging in effect from dZ0.4–0.7 [19]. A met ...
Preview Sample 2
... • Broca’s area is involved in directing the pattern of muscle movement required to produce speech sounds. • Broca’s aphasia is impairment in the physical ability to produce speech sounds or, in extreme cases, an inability to speak at all; caused by damage to Broca’s area. • Aphasia is a general term ...
... • Broca’s area is involved in directing the pattern of muscle movement required to produce speech sounds. • Broca’s aphasia is impairment in the physical ability to produce speech sounds or, in extreme cases, an inability to speak at all; caused by damage to Broca’s area. • Aphasia is a general term ...
Catastrophic Forgetting in Connectionist Networks: Causes
... one another less than fully distributed representations, catastrophic interference is reduced. In some cases, for example, in Sloman & Rumelhart31, what amount to localist representations emerge directly from the architecture to avoid the problem. Predictably, in all cases, this reduces catastrophic ...
... one another less than fully distributed representations, catastrophic interference is reduced. In some cases, for example, in Sloman & Rumelhart31, what amount to localist representations emerge directly from the architecture to avoid the problem. Predictably, in all cases, this reduces catastrophic ...
Lorazepam dose-dependently decreases risk-taking
... with an action than by the potential of gains. In other words, from a normative perspective, individuals tend to be riskaverse. Thus, it is important to understand maladaptive (excessive or deficient) risk-taking behavior because it often characterizes groups of individuals with vulnerabilities for ...
... with an action than by the potential of gains. In other words, from a normative perspective, individuals tend to be riskaverse. Thus, it is important to understand maladaptive (excessive or deficient) risk-taking behavior because it often characterizes groups of individuals with vulnerabilities for ...
Nonlinear brain dynamics as macroscopic manifestation of
... long-range correlation, with the requirement for synaptic renewal at each successive relay. Even the presence of relatively sparse long axons, which provide for high velocity jumps to seed areas over long distances creating small-world effects (Watts and Strogatz, 1998; Kozma et al., 2005), cannot e ...
... long-range correlation, with the requirement for synaptic renewal at each successive relay. Even the presence of relatively sparse long axons, which provide for high velocity jumps to seed areas over long distances creating small-world effects (Watts and Strogatz, 1998; Kozma et al., 2005), cannot e ...
Contrasting Effects of Haloperidol and Lithium on
... in gray-matter volumes, whereas lithium-treated patients with bipolar disorder show marginal increases in gray-matter volumes. Although these clinical data are confounded by illness, chronicity, and other medications, they do suggest that typical antipsychotic drugs and lithium have contrasting effe ...
... in gray-matter volumes, whereas lithium-treated patients with bipolar disorder show marginal increases in gray-matter volumes. Although these clinical data are confounded by illness, chronicity, and other medications, they do suggest that typical antipsychotic drugs and lithium have contrasting effe ...
Changes in 3H-Substance P Receptor Binding in the Rat Brain After
... substantia nigra (globus pallidus, caudate, and putamen). All areas involved in the lesion showed a significant loss in the concentration of SP receptors. Note also that while layer I and II of the cerebral cortex showed a significant increase in SP receptor density, other areas, such as the substan ...
... substantia nigra (globus pallidus, caudate, and putamen). All areas involved in the lesion showed a significant loss in the concentration of SP receptors. Note also that while layer I and II of the cerebral cortex showed a significant increase in SP receptor density, other areas, such as the substan ...
to a of the units.
... In the Clay Brain lesson, students learn more about the brain and its major structures. The average adult brain weighs about 3 pounds (1300-1400 grams). Like snowflakes, no two human brains are exactly alike, although they do have common structures and configurations. Brain size doesn’t equal intell ...
... In the Clay Brain lesson, students learn more about the brain and its major structures. The average adult brain weighs about 3 pounds (1300-1400 grams). Like snowflakes, no two human brains are exactly alike, although they do have common structures and configurations. Brain size doesn’t equal intell ...
Word tones cueing morphosyntactic structure
... This has been seen in increased response times for judging the meaning of suffixes that were invalidly cued by the wrong stem tone (Söderström, Roll, & Horne, 2012). Electrophysiological studies have shown a difference in the processing of Accent 1 and Accent 2 starting around 140 ms from tone onset ...
... This has been seen in increased response times for judging the meaning of suffixes that were invalidly cued by the wrong stem tone (Söderström, Roll, & Horne, 2012). Electrophysiological studies have shown a difference in the processing of Accent 1 and Accent 2 starting around 140 ms from tone onset ...
Chapter 10 Neurology
... cells that produce myelin that surrounds the larger axons of the neurons of cranial and spinal nerves brain tumor in the Schwann cells near the cranial or spinal nerves neurotransmitter in synapses between neurons of the limbic system, hypothalamus, cerebellum, and spinal cord a passage between t ...
... cells that produce myelin that surrounds the larger axons of the neurons of cranial and spinal nerves brain tumor in the Schwann cells near the cranial or spinal nerves neurotransmitter in synapses between neurons of the limbic system, hypothalamus, cerebellum, and spinal cord a passage between t ...
“Parcelation of the White Matter Using DTI: Insights into the
... long association pathways that convey cortical connections is a critical step in exploring the anatomic substrates of cognition in health and ...
... long association pathways that convey cortical connections is a critical step in exploring the anatomic substrates of cognition in health and ...
nato cc
... The relation between corpus callosum size and forebrain volume Several attempts have been undertaken to relate brain and CC size measures in humans. In general, most postmortem studies found small but significant linear correlations between both measures (3,71,73, 78). However, recent large studies ...
... The relation between corpus callosum size and forebrain volume Several attempts have been undertaken to relate brain and CC size measures in humans. In general, most postmortem studies found small but significant linear correlations between both measures (3,71,73, 78). However, recent large studies ...
Document
... processes to electrical impulses in the brain thus conducting light traveling from the retina to the brain. The problem is to discover what Galen was looking at when he decided that the optic nerves really had the lumen he was sure they must have. He gives directions for finding the orifices at the ...
... processes to electrical impulses in the brain thus conducting light traveling from the retina to the brain. The problem is to discover what Galen was looking at when he decided that the optic nerves really had the lumen he was sure they must have. He gives directions for finding the orifices at the ...
The Biological Perspective
... myelin sheath does for the axons. Bundled all together, they form a cable that is much stronger and less vulnerable to breakage than any wire alone would be. It works the same way in the nervous system. Bundles of myelin-coated axons travel together in “cables” called nerves. A few other facts about ...
... myelin sheath does for the axons. Bundled all together, they form a cable that is much stronger and less vulnerable to breakage than any wire alone would be. It works the same way in the nervous system. Bundles of myelin-coated axons travel together in “cables” called nerves. A few other facts about ...
A phase I trial of deep brain stimulation of memory
... the brain areas whose physiological function was modulated by stimulation using standardized low-resolution electromagnetic tomography, (2) assessing whether DBS could correct the regional alterations in cerebral glucose metabolism in AD using positron emission tomography (PET), and 3) measuring the ...
... the brain areas whose physiological function was modulated by stimulation using standardized low-resolution electromagnetic tomography, (2) assessing whether DBS could correct the regional alterations in cerebral glucose metabolism in AD using positron emission tomography (PET), and 3) measuring the ...
Lecture Title
... from other neurons, and a single axon output signals to other neurons. This is an extremely simplified model. However, it is still a popular and useful one. (C) 2001 by Yu Hen Hu ...
... from other neurons, and a single axon output signals to other neurons. This is an extremely simplified model. However, it is still a popular and useful one. (C) 2001 by Yu Hen Hu ...
ling411-11-Columns - OWL-Space
... We know what a dog looks like • Visual information, in occipital lobe We know what its bark sounds like • Auditory information, in temporal lobe We know what its fur feels like • Somatosensory information, in parietal lobe All of the above.. • constitute perceptual information • are subwebs ...
... We know what a dog looks like • Visual information, in occipital lobe We know what its bark sounds like • Auditory information, in temporal lobe We know what its fur feels like • Somatosensory information, in parietal lobe All of the above.. • constitute perceptual information • are subwebs ...
Large-scale cognitive model design using the Nengo neural simulator
... cognitive representations (that is distinct from the compression operator for vision, motor control, etc.). Specifically, the SPA uses circular convolution Plate (1991) coupled with neural saturation to fulfill this role. Circular convolution is one of a class of operators that have been proposed to ...
... cognitive representations (that is distinct from the compression operator for vision, motor control, etc.). Specifically, the SPA uses circular convolution Plate (1991) coupled with neural saturation to fulfill this role. Circular convolution is one of a class of operators that have been proposed to ...
Chapter Two - McGraw Hill Higher Education
... here do you live? You probably don’t think about it much, but the thinking, feeling, W and acting part of you has to have a body to live in. Psychological life depends on biological life for its very existence. This means that the way we behave is influenced to a great extent by the nature of the bo ...
... here do you live? You probably don’t think about it much, but the thinking, feeling, W and acting part of you has to have a body to live in. Psychological life depends on biological life for its very existence. This means that the way we behave is influenced to a great extent by the nature of the bo ...
The Emergence of Rule-Use: A Dynamic Neural Field Model of... Aaron Buss ()
... developmental process, there is no neurally-based theory that captures developmental changes in performance in this task. The most comprehensive theory, the Cognitive Complexity and Control theory (CCC), describes children’s performance in terms of hierarchical rule-representation (Zelazo et al., 20 ...
... developmental process, there is no neurally-based theory that captures developmental changes in performance in this task. The most comprehensive theory, the Cognitive Complexity and Control theory (CCC), describes children’s performance in terms of hierarchical rule-representation (Zelazo et al., 20 ...
A Neuron Play - Web Adventures
... Neurons are nerve cells that are specialized to communicate with other cells. A typical neuron has a cell body that contains the nucleus and other cell organelles. Extending from the cell body are projections called dendrites that bring messages or signals into the cell from other neurons. A neuron ...
... Neurons are nerve cells that are specialized to communicate with other cells. A typical neuron has a cell body that contains the nucleus and other cell organelles. Extending from the cell body are projections called dendrites that bring messages or signals into the cell from other neurons. A neuron ...