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... neuron activity in the anterior cingulate sulcus of macaques while they performed a sequential problem-solving task. By trial and error, animals determined the correct sequence for touching three fixed spatial targets. After the sequence was repeated three times, we then changed the correct solution ...
... neuron activity in the anterior cingulate sulcus of macaques while they performed a sequential problem-solving task. By trial and error, animals determined the correct sequence for touching three fixed spatial targets. After the sequence was repeated three times, we then changed the correct solution ...
Multiple dynamic representations in the motor cortex
... rate suggests that vM1 controls these slowly varying motor parameters, as expected from previous motor cortex mapping5,8,16,18,29,39 and neurophysiological experiments5,29,39. The low sampling rate of imaging may have missed rapid modulation in neural activity29. We also quantified decoding accuranc ...
... rate suggests that vM1 controls these slowly varying motor parameters, as expected from previous motor cortex mapping5,8,16,18,29,39 and neurophysiological experiments5,29,39. The low sampling rate of imaging may have missed rapid modulation in neural activity29. We also quantified decoding accuranc ...
The neural basis of the speed–accuracy tradeoff - Eric
... assumed to be equivalent (Figure 2). However, as discussed below, human brain-imaging studies and neurophysiological recordings may provide an answer to the question of whether in the brain SAT is accomplished by changing the baseline or the threshold of integrator neurons. Because the changing-base ...
... assumed to be equivalent (Figure 2). However, as discussed below, human brain-imaging studies and neurophysiological recordings may provide an answer to the question of whether in the brain SAT is accomplished by changing the baseline or the threshold of integrator neurons. Because the changing-base ...
Hyperfrontality and hypoconnectivity during refreshing in
... lying in the scanner viewed the computer screen through MR-compatible video goggles (VisuaStim XGA, Resonance Technology Inc., Los Angeles, CA, USA). The sequence of each trial was strictly the same as in the Raye et al. (2002) study (see Fig. 1). Each trial was 12 s long. Participants silently read ...
... lying in the scanner viewed the computer screen through MR-compatible video goggles (VisuaStim XGA, Resonance Technology Inc., Los Angeles, CA, USA). The sequence of each trial was strictly the same as in the Raye et al. (2002) study (see Fig. 1). Each trial was 12 s long. Participants silently read ...
Logical Agents
... Knowledge-Based Logical Agents • Two central AI concepts – Representation of knowledge – Reasoning processes acting on knowledge ...
... Knowledge-Based Logical Agents • Two central AI concepts – Representation of knowledge – Reasoning processes acting on knowledge ...
The primate basal ganglia: parallel and integrative networks
... cells of dorsal and ventral tiers. Scale = 100 m. The cells and processes of the dorsal tier indicated by the box are shown magnified in C) revealing the horizontal arrangement of their dendritic processes. Scale = 50 m. VT, ventral tier; DT, dorsal tier. ...
... cells of dorsal and ventral tiers. Scale = 100 m. The cells and processes of the dorsal tier indicated by the box are shown magnified in C) revealing the horizontal arrangement of their dendritic processes. Scale = 50 m. VT, ventral tier; DT, dorsal tier. ...
HandWriting Recognition - "Offline" Approach
... other things that are very unique to every individual - DNA, fingerprints, etc. Handwriting is one other such thing that is unique to every individual, which the recent studies on Handwriting analysis have already proved. Although arguable is this issue, that handwriting can be mimicked and forgery ...
... other things that are very unique to every individual - DNA, fingerprints, etc. Handwriting is one other such thing that is unique to every individual, which the recent studies on Handwriting analysis have already proved. Although arguable is this issue, that handwriting can be mimicked and forgery ...
Flow-metabolism coupling in human visual, motor, and
... BOLD and CBF for all three stimulus levels from the ROI for each individual in the PVC (Fig. 4a), PMC (Fig. 4b), and SMA (Fig. 4c). Measurements from the three different stimulation levels for a given subject are joined by lines, and data points are consistently labeled so that somatosensory activat ...
... BOLD and CBF for all three stimulus levels from the ROI for each individual in the PVC (Fig. 4a), PMC (Fig. 4b), and SMA (Fig. 4c). Measurements from the three different stimulation levels for a given subject are joined by lines, and data points are consistently labeled so that somatosensory activat ...
The Emergence of Selective Attention through - laral
... target, presented among others, the distracters, by pressing alternative buttons or by verbally reporting the observed items. Usually in these experiments the target is defined on the basis of its features, such as the colour or the shape. Subjects’ response is very fast and accurate when the target ...
... target, presented among others, the distracters, by pressing alternative buttons or by verbally reporting the observed items. Usually in these experiments the target is defined on the basis of its features, such as the colour or the shape. Subjects’ response is very fast and accurate when the target ...
Structural divisions and functional fields in the human cerebral cortex 1
... Microstructural parcellation of the human cerebral cortex should be made on multiple criteria based on quantitative measurements of microstructural variables, such as neuron densities, neurotransmitter receptor densities, enzyme densities, etc. Because of the inter-individual variations of extent an ...
... Microstructural parcellation of the human cerebral cortex should be made on multiple criteria based on quantitative measurements of microstructural variables, such as neuron densities, neurotransmitter receptor densities, enzyme densities, etc. Because of the inter-individual variations of extent an ...
12 - Mrs. Jensen's Science Classroom
... – Uses past visual experiences to interpret visual stimuli (e.g., color, form, and movement) • E.g., ability to recognize faces ...
... – Uses past visual experiences to interpret visual stimuli (e.g., color, form, and movement) • E.g., ability to recognize faces ...
Making Arm Movements Within Different Parts of Space: Dynamic
... et al., 1966), we found that, within a given part of space, the activity of 169 (96.0%) cells studied increased most for a given preferred direction and less for other directions of movement. This change was graded in an orderly fashion. We further analyzed the orientation in space of the cells’ pre ...
... et al., 1966), we found that, within a given part of space, the activity of 169 (96.0%) cells studied increased most for a given preferred direction and less for other directions of movement. This change was graded in an orderly fashion. We further analyzed the orientation in space of the cells’ pre ...
Spinal motor neurons are regenerated after
... with progressing development. mCherry+ cells were still detectable at 10 dpf, but had completely disappeared in adults (data not shown). At 3 dpf, triple-labeling of Hb9, ChAT and mCherry revealed that 86% of the mCherry-labeled spinal cells were also positive for Hb9, ChAT or both, indicating that ...
... with progressing development. mCherry+ cells were still detectable at 10 dpf, but had completely disappeared in adults (data not shown). At 3 dpf, triple-labeling of Hb9, ChAT and mCherry revealed that 86% of the mCherry-labeled spinal cells were also positive for Hb9, ChAT or both, indicating that ...
Auditory Hallucinations as a Separate Entitity
... no history of hallucinations and healthy volunteers20. A more recent functional magnetic resonance imaging (fMRI) study using a similar paradigm in another group of hallucinationprone participants again demonstrated normal activation of the left inferior frontal gyrus and attenuated activation of th ...
... no history of hallucinations and healthy volunteers20. A more recent functional magnetic resonance imaging (fMRI) study using a similar paradigm in another group of hallucinationprone participants again demonstrated normal activation of the left inferior frontal gyrus and attenuated activation of th ...
Central Nervous System
... • connecting different levels of the trunk with each other and the brain ...
... • connecting different levels of the trunk with each other and the brain ...
Decoding Motor Commands in Cortico-Basal Ganglia Circuits for the
... The brain is a fascinating organ and yet little is known about how it works. This structure of one and a half kilogram allows us to think, be inspired, feel happiness and dream. It also controls our senses such as vision, hearing and movements. Different parts of the brain specialise in different ta ...
... The brain is a fascinating organ and yet little is known about how it works. This structure of one and a half kilogram allows us to think, be inspired, feel happiness and dream. It also controls our senses such as vision, hearing and movements. Different parts of the brain specialise in different ta ...
Reflex Activity/Lab
... Reflexes are rapid, involuntary motor responses to an environmental stimulus detected by sensory receptors. A nerve impulse travels from the receptor through a neural reflex arc pathway to an effector. If the motor response is contraction of skeletal muscle, the reflex is called a somatic reflex. If ...
... Reflexes are rapid, involuntary motor responses to an environmental stimulus detected by sensory receptors. A nerve impulse travels from the receptor through a neural reflex arc pathway to an effector. If the motor response is contraction of skeletal muscle, the reflex is called a somatic reflex. If ...
Two Phylogenetic Specializations in the Human Brain
... increases with the force exerted by the subject (see Fig. 4) (Ehrsson and others 2001a). The mental imagery of hand movements also selectively activates the cingulate motor area (Ehrsson and others 2001b). These findings indicate that the mid-cingulate motor cortex contains phylogenetic specialized ...
... increases with the force exerted by the subject (see Fig. 4) (Ehrsson and others 2001a). The mental imagery of hand movements also selectively activates the cingulate motor area (Ehrsson and others 2001b). These findings indicate that the mid-cingulate motor cortex contains phylogenetic specialized ...
Temporary inhibition of AMPA receptors induces a prolonged improvement
... The Cln3-knockout (Cln3Dex1e6) mouse model of JNCL exhibits many characteristic features of the human disorder, including a deficit in cerebellar motor coordination (Kovacs et al., 2006; Mitchison et al., 1999; Weimer et al., 2009). Exploring the possible cause(s) of the functional impairment of the ...
... The Cln3-knockout (Cln3Dex1e6) mouse model of JNCL exhibits many characteristic features of the human disorder, including a deficit in cerebellar motor coordination (Kovacs et al., 2006; Mitchison et al., 1999; Weimer et al., 2009). Exploring the possible cause(s) of the functional impairment of the ...
agent function
... • Predicted that by 2000, a machine might have a 30% chance of fooling a lay person for 5 minutes • Anticipated all major arguments against AI in following 50 years • Suggested major components of AI: knowledge, reasoning, language understanding, learning ...
... • Predicted that by 2000, a machine might have a 30% chance of fooling a lay person for 5 minutes • Anticipated all major arguments against AI in following 50 years • Suggested major components of AI: knowledge, reasoning, language understanding, learning ...
The Biology
... situations to produce lifesaving responses to danger. Next, the brain itself will be considered by examining its major structures and the ways in which these affect behaviour. The brain controls movement, our senses, and our thought processes. It is also fascinating to focus on the idea that the two ...
... situations to produce lifesaving responses to danger. Next, the brain itself will be considered by examining its major structures and the ways in which these affect behaviour. The brain controls movement, our senses, and our thought processes. It is also fascinating to focus on the idea that the two ...
Chapter 12 PowerPoint - Hillsborough Community College
... • Uses past visual experiences to interpret visual stimuli (e.g., color, form, and movement) • Complex processing involves entire posterior half of the hemispheres ...
... • Uses past visual experiences to interpret visual stimuli (e.g., color, form, and movement) • Complex processing involves entire posterior half of the hemispheres ...
Neural Correlates of First-Person Perspective as One Constituent of
... premotor cortex during 3PP (relative to 1PP), whereas differential increases during 1PP (relative to 3PP) were found in mesial prefrontal cortex, posterior cingulate cortex, and superior temporal cortex bilaterally. The data suggest that in addition to joint neural mechanisms, for example, due to vi ...
... premotor cortex during 3PP (relative to 1PP), whereas differential increases during 1PP (relative to 3PP) were found in mesial prefrontal cortex, posterior cingulate cortex, and superior temporal cortex bilaterally. The data suggest that in addition to joint neural mechanisms, for example, due to vi ...
Taking action in hand: Effects of gesture observation on action
... Results indicate that, when representing actions, some pantomime gestures clearly map onto a unique action concept, while others are more ambiguous. Pantomime gestures representing actions involving instruments (e.g. hammer) are particularly ambiguous. This ambiguity was, however, attenuated when pa ...
... Results indicate that, when representing actions, some pantomime gestures clearly map onto a unique action concept, while others are more ambiguous. Pantomime gestures representing actions involving instruments (e.g. hammer) are particularly ambiguous. This ambiguity was, however, attenuated when pa ...