Opposing roles for dopamine and serotonin in the modulation of
... randomized over trials. Visual cues were presented at four different locations in each of four quadrants for the three delay conditions. Visual cue eccentricities were 10°, in order to minimize the use of edge or center cues and to ensure that cues did not fall within each subject’s blind spot. Loca ...
... randomized over trials. Visual cues were presented at four different locations in each of four quadrants for the three delay conditions. Visual cue eccentricities were 10°, in order to minimize the use of edge or center cues and to ensure that cues did not fall within each subject’s blind spot. Loca ...
Structure of the central nervous system of a juvenile acoel
... ini.uzh.ch/∼acardona/trakem2.html). The axonal processes, the sensory neurons, the nerve cords, and the central nervous system, which were revealed by the anti-tyrosin tubulin antibody, were outlined using the modeling functions. The traces were rendered in the program to generate a 3D model of the ...
... ini.uzh.ch/∼acardona/trakem2.html). The axonal processes, the sensory neurons, the nerve cords, and the central nervous system, which were revealed by the anti-tyrosin tubulin antibody, were outlined using the modeling functions. The traces were rendered in the program to generate a 3D model of the ...
Learning receptive fields using predictive feedback
... natural scenes, the motivation being that receptive field properties might be largely determined by the statistics of their natural input (see also, Field, 1987; Atick, 1992; Dan et al., 1996; Rao and Ballard, 1999). After exposure to several thousand natural image patches, the basis vectors learned ...
... natural scenes, the motivation being that receptive field properties might be largely determined by the statistics of their natural input (see also, Field, 1987; Atick, 1992; Dan et al., 1996; Rao and Ballard, 1999). After exposure to several thousand natural image patches, the basis vectors learned ...
The Nervous System
... Ganglia are at the sympathetic trunk (near the spinal cord) Short pre-ganglionic neuron and long postganglionic neuron transmit impulse from CNS to the effector Norepinephrine and epinephrine are neurotransmitters to the effector organs Copyright © 2003 Pearson Education, Inc. publishing as Be ...
... Ganglia are at the sympathetic trunk (near the spinal cord) Short pre-ganglionic neuron and long postganglionic neuron transmit impulse from CNS to the effector Norepinephrine and epinephrine are neurotransmitters to the effector organs Copyright © 2003 Pearson Education, Inc. publishing as Be ...
Unit One: Introduction to Physiology: The Cell and General Physiology
... • Excitation of the Spinal Cord Motor Control Areas by the Primary Motor Cortex and the Red Nucleus a. Vertical columnar arrangement of the neurons in the motor cortex b. Each column functions as a unit, usually stimulating a group of synergistic muscles (sometimes a single muscle) c. Each column op ...
... • Excitation of the Spinal Cord Motor Control Areas by the Primary Motor Cortex and the Red Nucleus a. Vertical columnar arrangement of the neurons in the motor cortex b. Each column functions as a unit, usually stimulating a group of synergistic muscles (sometimes a single muscle) c. Each column op ...
alzheimer-like changes of protein kinase b and glycogen synthase
... The insulin resistance brain state is related to the late-onset sporadic Alzheimer’s disease, and alterations of insulin receptor (IR) and its downstream phosphatidylinositol-3 kinase signalling pathway have been found in human brain. Confirmation studies have not been performed in an experimental m ...
... The insulin resistance brain state is related to the late-onset sporadic Alzheimer’s disease, and alterations of insulin receptor (IR) and its downstream phosphatidylinositol-3 kinase signalling pathway have been found in human brain. Confirmation studies have not been performed in an experimental m ...
Getting Things Done - Vrije Universiteit Brussel
... incoming information. The extensive literature on information processing, on the other hand, mostly concerns computer systems rather than human information processing. Some aspects of human information processing, such as decision-making, project planning and problem solving, have been well investig ...
... incoming information. The extensive literature on information processing, on the other hand, mostly concerns computer systems rather than human information processing. Some aspects of human information processing, such as decision-making, project planning and problem solving, have been well investig ...
Nerve Cells and Nerve Impulses
... rays coming off of the sun. Dendrites receive nerve impulses from other cells. Axons pass the nerve impulses on to other cells. A single neuron may have thousands of dendrites, so it can communicate with thousands of other cells but only one axon. The axon is covered with a myelin sheath, a fatty la ...
... rays coming off of the sun. Dendrites receive nerve impulses from other cells. Axons pass the nerve impulses on to other cells. A single neuron may have thousands of dendrites, so it can communicate with thousands of other cells but only one axon. The axon is covered with a myelin sheath, a fatty la ...
Eichenbaum et al., 2012a, #15 - Fortin Lab @ UCI
... Activity patterns of single neurons in the MTL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
... Activity patterns of single neurons in the MTL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
Theory of Mind: A Neural Prediction Problem
... dominated by error neurons (Friston, 2009; Wacongne et al., 2012; Egner et al., 2010; Keller et al., 2012; Meyer and Sauerland, 2009). The result is that the classic signature of predictive coding, reduced activity to predictable stimuli, is typically observed when averaging across large samples of ...
... dominated by error neurons (Friston, 2009; Wacongne et al., 2012; Egner et al., 2010; Keller et al., 2012; Meyer and Sauerland, 2009). The result is that the classic signature of predictive coding, reduced activity to predictable stimuli, is typically observed when averaging across large samples of ...
a14a NeuroPhysI
... (a) In a bare plasma membrane (without voltage-gated channels), as on a dendrite, voltage decays because current leaks across the membrane. Voltage-gated Stimulus ion channel ...
... (a) In a bare plasma membrane (without voltage-gated channels), as on a dendrite, voltage decays because current leaks across the membrane. Voltage-gated Stimulus ion channel ...
Total number and volume of Von Economo neurons in the cerebral
... available for these three specimens. Unfortunately, we were not able to examine all the regions of interest (ROIs) in every species owing to the availability of the materials. In some cases, part of an ROI or a whole ROI was not collected or had been used by other investigators and thus was not avai ...
... available for these three specimens. Unfortunately, we were not able to examine all the regions of interest (ROIs) in every species owing to the availability of the materials. In some cases, part of an ROI or a whole ROI was not collected or had been used by other investigators and thus was not avai ...
Remembering the past, anticipating a future DISSOCIATIVE DISORDERS
... such abuses, and that ‘memory of such abusive experiences may be absent for considerable and varied periods of life and may be recalled under any of a variety of circumstance, including as a vicissitude of undergoing psychiatric treatment for (at least initially) apparently unrelated reasons.’ The d ...
... such abuses, and that ‘memory of such abusive experiences may be absent for considerable and varied periods of life and may be recalled under any of a variety of circumstance, including as a vicissitude of undergoing psychiatric treatment for (at least initially) apparently unrelated reasons.’ The d ...
How do dendrites take their shape?
... dendritic attraction11. This provides a potential mechanism by which high cGMP concentrations in the dendrites and low concentrations in the axons could account for their opposite responses to the presumptive Sema 3A gradient. This is consistent with the idea that axonal and dendritic growth cones s ...
... dendritic attraction11. This provides a potential mechanism by which high cGMP concentrations in the dendrites and low concentrations in the axons could account for their opposite responses to the presumptive Sema 3A gradient. This is consistent with the idea that axonal and dendritic growth cones s ...
Diffusion-Weighted MR Imaging in Brain Tumor
... diffusion tensor imaging (DTI) and diffusion-weighted imaging (DWI), have been widely used to evaluate such tumors. Diffusion-weighted MR image Diffusion-weighted imaging is based on the random or Brownian motion of water molecules in relation to their thermal energy. DWI has been used to assess bra ...
... diffusion tensor imaging (DTI) and diffusion-weighted imaging (DWI), have been widely used to evaluate such tumors. Diffusion-weighted MR image Diffusion-weighted imaging is based on the random or Brownian motion of water molecules in relation to their thermal energy. DWI has been used to assess bra ...
cerebral cortex - CM
... The Spinal Cord • Spinal cord – composed primarily of nervous tissue; responsible for both relaying and processing information; less anatomically complex than brain but still vitally important to normal nervous system function; two primary roles: • Serves as a relay station and as an intermediate p ...
... The Spinal Cord • Spinal cord – composed primarily of nervous tissue; responsible for both relaying and processing information; less anatomically complex than brain but still vitally important to normal nervous system function; two primary roles: • Serves as a relay station and as an intermediate p ...
Overview Synaptic plasticity Synaptic strength
... • Maximal conductance g associated with one synaptic vesicle ...
... • Maximal conductance g associated with one synaptic vesicle ...
Magnetic resonance imaging indicators of blood
... apparent diffusion coefficients did not exhibit parallel changes and there was no evidence of BBB permeability to tracers. The cerebral ventricles enlarged progressively in the weeks following kaolin injection. In hydrocephalic rats, the dorsal cortex was more dense and the white matter less so, ind ...
... apparent diffusion coefficients did not exhibit parallel changes and there was no evidence of BBB permeability to tracers. The cerebral ventricles enlarged progressively in the weeks following kaolin injection. In hydrocephalic rats, the dorsal cortex was more dense and the white matter less so, ind ...
VLSI Implementation of the binDCT
... operations of the bits from and to the memory. The input is assumed to be in a bit-parallel word-serial format. The sequence of operations would be as follows – The first 8 words are converted form the bit-parallel, wordserial format to the word-parallel, bitserial format (this is required for the d ...
... operations of the bits from and to the memory. The input is assumed to be in a bit-parallel word-serial format. The sequence of operations would be as follows – The first 8 words are converted form the bit-parallel, wordserial format to the word-parallel, bitserial format (this is required for the d ...
TEP 2.6.11-00 Fourier optics – 2f Arrangement TEP 2.6.11
... As a first partial experiment observe the plane wave itself (the light spot), i. e. no diffracting structures are placed in the object plane. Sketch your observation in the Fourier plane SC. According to the theory, a point should appear in the Fourier plane SC behind the lens. This is also the focu ...
... As a first partial experiment observe the plane wave itself (the light spot), i. e. no diffracting structures are placed in the object plane. Sketch your observation in the Fourier plane SC. According to the theory, a point should appear in the Fourier plane SC behind the lens. This is also the focu ...
Physiologically-Inspired Model for the Visual Tuning Properties of
... vast amount of interest in cognitive neuroscience, and also in robotics, since they have been discussed as physiological basis of the imitation learning of actions and potentially also of action understanding [2], [3]. Beyond the fact that they are active during motor planning, mirror neurons have a ...
... vast amount of interest in cognitive neuroscience, and also in robotics, since they have been discussed as physiological basis of the imitation learning of actions and potentially also of action understanding [2], [3]. Beyond the fact that they are active during motor planning, mirror neurons have a ...
Memory - Macmillan Learning
... most proficient, to use visual imagery encoding, a form of categorization that involves storing new information by converting it into mental pictures. If you wanted to use Simonides’ method to create an enduring memory, you could simply convert the information that you wanted to remember into a visu ...
... most proficient, to use visual imagery encoding, a form of categorization that involves storing new information by converting it into mental pictures. If you wanted to use Simonides’ method to create an enduring memory, you could simply convert the information that you wanted to remember into a visu ...
Regulation of rCBF by Diffusible Signals: An Analysis of Constraints
... constants of these changes will vary considerably from These simulations were based on the assumption that some early component of activity-dependent hemody- point to point. After a transient increase in activitynamic response is mediated by signals that diffuse dependent signal, points (arterioles) ...
... constants of these changes will vary considerably from These simulations were based on the assumption that some early component of activity-dependent hemody- point to point. After a transient increase in activitynamic response is mediated by signals that diffuse dependent signal, points (arterioles) ...
Circuits in Psychopharmacology
... shown with their rough anatomic localization and names in Figure 7-6. The hypothetical behaviors thought to be regulated by circuits running through each of these 11 nodes in various networks are indicated in Figure 7-7. These will be important to remember, since alterations in neurotransmitters wit ...
... shown with their rough anatomic localization and names in Figure 7-6. The hypothetical behaviors thought to be regulated by circuits running through each of these 11 nodes in various networks are indicated in Figure 7-7. These will be important to remember, since alterations in neurotransmitters wit ...