Computational approaches to sensorimotor transformations
... Our goal is to provide an overview of the basis function approach to sensorimotor transformations. In this approach, sensory information is recoded into a flexible intermediate representation to facilitate the transformation into a motor command. This has the advantage of explaining how the same neu ...
... Our goal is to provide an overview of the basis function approach to sensorimotor transformations. In this approach, sensory information is recoded into a flexible intermediate representation to facilitate the transformation into a motor command. This has the advantage of explaining how the same neu ...
Chapter 16: Neural Integration II: The Autonomic Nervous System
... – if nerve is inactive under normal conditions, can only increase activity – if nerve maintains background level of activity, can increase or decrease activity ...
... – if nerve is inactive under normal conditions, can only increase activity – if nerve maintains background level of activity, can increase or decrease activity ...
lecture 13 - McLoon Lab - University of Minnesota
... The flow of information from the thalamus to cortex is gated by inputs from the brainstem reticular activating system and the cortex via the reticular nucleus of the thalamus. ...
... The flow of information from the thalamus to cortex is gated by inputs from the brainstem reticular activating system and the cortex via the reticular nucleus of the thalamus. ...
Auditory Cortex (1)
... fade away quickly after the onset of the sound.” (Wang et al. Nature 2005) ...
... fade away quickly after the onset of the sound.” (Wang et al. Nature 2005) ...
Motor System & Behavior
... that the body is idle, so that no voluntary movement occurs. Now assume a ball has been spotted, and the motivation to grab the ball is born within the motivation areas of the cortex. The motor has currently no idea of how to actually get the ball, and cannot execute any movement yet because the mot ...
... that the body is idle, so that no voluntary movement occurs. Now assume a ball has been spotted, and the motivation to grab the ball is born within the motivation areas of the cortex. The motor has currently no idea of how to actually get the ball, and cannot execute any movement yet because the mot ...
Encoding of Rules by Neurons in the Human Dorsolateral Prefrontal
... the target of such action (“objects”; e.g. a nail). The subjects were instructed to evaluate image pairs using either of 2 rules: 1) Can one item act appropriately on the other or 2) are the items similar in identity? However, subjects were not told which of these criteria to apply to the individual ...
... the target of such action (“objects”; e.g. a nail). The subjects were instructed to evaluate image pairs using either of 2 rules: 1) Can one item act appropriately on the other or 2) are the items similar in identity? However, subjects were not told which of these criteria to apply to the individual ...
accepted manuscript - Radboud Repository
... in humans is involved in a multiplicity of higher functions, such as face (Haxby et al., 2000) and word (Xue et al., 2010) recognition. As a consequence, topographic assignment is not always informative about the functional role of a particular brain area, which may be partially due to the poor and ...
... in humans is involved in a multiplicity of higher functions, such as face (Haxby et al., 2000) and word (Xue et al., 2010) recognition. As a consequence, topographic assignment is not always informative about the functional role of a particular brain area, which may be partially due to the poor and ...
ling411-11-Columns - OWL-Space
... The minicolumns within a maxicolumn respond to a common set of features Functional columns are intermediate in size between minicolumns and maxicolumns Different functional columns within a maxicolumn are distinct because of non-shared additional features • Shared within the functional column ...
... The minicolumns within a maxicolumn respond to a common set of features Functional columns are intermediate in size between minicolumns and maxicolumns Different functional columns within a maxicolumn are distinct because of non-shared additional features • Shared within the functional column ...
phys chapter 51 [3-20
... concerned mainly with contrasts in visual scene rather than with noncontrasting areas o Equally stimulated adjacent retinal receptors mutually inhibit one another o At any border in visual scene, mutual inhibition doesn’t occur, and intensity of stimulation of most neurons proportional to gradient o ...
... concerned mainly with contrasts in visual scene rather than with noncontrasting areas o Equally stimulated adjacent retinal receptors mutually inhibit one another o At any border in visual scene, mutual inhibition doesn’t occur, and intensity of stimulation of most neurons proportional to gradient o ...
IN VIVO Research Article SHIVAPRIYA SHIVAKUMAR
... 12.985±1.853, there was an increase in the level but the p value between groups was less significant (P<0.05). The level of glutamate in group IV was 15.128±2.174 and group III was 20.42±4.110, there was a decrease in the level and when the p value was compared between groups it was less significant ...
... 12.985±1.853, there was an increase in the level but the p value between groups was less significant (P<0.05). The level of glutamate in group IV was 15.128±2.174 and group III was 20.42±4.110, there was a decrease in the level and when the p value was compared between groups it was less significant ...
The hippocampus in spatial navigation and memory consolidation
... Allocentric navigation: Based on absolutespace coordinates (“north/south”) Egocentric navigation: Based on body’s self coordinates (“left/right”) ...
... Allocentric navigation: Based on absolutespace coordinates (“north/south”) Egocentric navigation: Based on body’s self coordinates (“left/right”) ...
PDF 2
... model of the disease. Metabolic imaging and electrophysiological studies in the MPTP model have demonstrated that neuronal discharge is increased in the STN, GPi, and SNr but decreased in the GPe. These findings prompted the development of a model in which dopamine depletion leads to (1) increased a ...
... model of the disease. Metabolic imaging and electrophysiological studies in the MPTP model have demonstrated that neuronal discharge is increased in the STN, GPi, and SNr but decreased in the GPe. These findings prompted the development of a model in which dopamine depletion leads to (1) increased a ...
The Inferior Parietal Lobule Is the Target of Output from the Superior
... within a portion of area 7b labeled second-order neurons in posterior regions of the dentate nucleus of the cerebellum. These observations have some important functional implications. The IPL is known to be involved in oculomotor and attentional mechanisms, the establishment of maps of extrapersonal ...
... within a portion of area 7b labeled second-order neurons in posterior regions of the dentate nucleus of the cerebellum. These observations have some important functional implications. The IPL is known to be involved in oculomotor and attentional mechanisms, the establishment of maps of extrapersonal ...
The seasonal hippocampus of food-storing birds.
... in food storing in captive birds have no effect on either neuronal recruitment (Hoshooley et al., 2005) or hippocampal size (Krebs et al., 1995; MacDougall-Shackleton et al., 2003) even though these same manipulations of daylength are sufficient to induce moult and to bring males and females into bre ...
... in food storing in captive birds have no effect on either neuronal recruitment (Hoshooley et al., 2005) or hippocampal size (Krebs et al., 1995; MacDougall-Shackleton et al., 2003) even though these same manipulations of daylength are sufficient to induce moult and to bring males and females into bre ...
The Neural Fate of Consciously Perceived and Missed Events in the
... divided attention. By contrast, the frontal cortex’s response to the stimulus is primarily contingent on whether that stimulus is consciously reported by the subject. Thus, activity in the inferior/medial temporal cortex primarily reflects the physical visual world, while the frontal cortex predomin ...
... divided attention. By contrast, the frontal cortex’s response to the stimulus is primarily contingent on whether that stimulus is consciously reported by the subject. Thus, activity in the inferior/medial temporal cortex primarily reflects the physical visual world, while the frontal cortex predomin ...
Serotonergic Psychedelics Temporarily Modify Information Transfer
... information originating at posterior leads (in green). This information mainly influenced signals recorded at more frontal locations (in gray). In other words, uncertainty at frontal locations decreased, that is, predictability increased when information at posterior locations was taken into account ...
... information originating at posterior leads (in green). This information mainly influenced signals recorded at more frontal locations (in gray). In other words, uncertainty at frontal locations decreased, that is, predictability increased when information at posterior locations was taken into account ...
Circuits and Circuit Disorders of the Basal Ganglia
... model of the disease. Metabolic imaging and electrophysiological studies in the MPTP model have demonstrated that neuronal discharge is increased in the STN, GPi, and SNr but decreased in the GPe. These findings prompted the development of a model in which dopamine depletion leads to (1) increased a ...
... model of the disease. Metabolic imaging and electrophysiological studies in the MPTP model have demonstrated that neuronal discharge is increased in the STN, GPi, and SNr but decreased in the GPe. These findings prompted the development of a model in which dopamine depletion leads to (1) increased a ...
Study Guide Solutions
... Larger damage – or lesions – to V1 lead to larger scotomas and more loss of perception, sometimes encompassing an entire right or left visual field. Interestingly, although patients with left or right visual field damage may be ‘blind’ to visual stimuli presented to the damaged visual field, careful ...
... Larger damage – or lesions – to V1 lead to larger scotomas and more loss of perception, sometimes encompassing an entire right or left visual field. Interestingly, although patients with left or right visual field damage may be ‘blind’ to visual stimuli presented to the damaged visual field, careful ...
Broca`s Area in Language, Action, and Music
... indicates that Broca’s area, in addition to its linguistic functions, appears to be engaged in several cognitive domains. These domains include music, working memory, and calculation.28 Another important contribution of BA44, in analogy with monkey studies, is certainly found in the motor domain. Br ...
... indicates that Broca’s area, in addition to its linguistic functions, appears to be engaged in several cognitive domains. These domains include music, working memory, and calculation.28 Another important contribution of BA44, in analogy with monkey studies, is certainly found in the motor domain. Br ...
Motor disorders
... based) learning, information from multiple segments or parts of the body, and use of sensory inputs from one or more modality (vision, vestibular, somatosensory). Clearly, if patients have difficulty learning movements through practice, then this might complicate attempts to improve their movement v ...
... based) learning, information from multiple segments or parts of the body, and use of sensory inputs from one or more modality (vision, vestibular, somatosensory). Clearly, if patients have difficulty learning movements through practice, then this might complicate attempts to improve their movement v ...
Thesis Proposal Presentation
... Payne, J.D. (1999). Are stimulants overprescribed? treatment of ADHD in four U.S. communities. Journal of the American Academy of Child & Adolescent Psychiatry, 38, 794-804. ...
... Payne, J.D. (1999). Are stimulants overprescribed? treatment of ADHD in four U.S. communities. Journal of the American Academy of Child & Adolescent Psychiatry, 38, 794-804. ...
A Verbose Guide to Dissection of the Sheep`s Brain H
... control musculature of the blowhole, and probably of air sacs used (perhaps) for sound production. The 7th nerve is decidedly bigger than the 8th in the elephant, probably due to an enlargement of the motor component for fine control of the trunk. The alligator, which is not noted for its facial mob ...
... control musculature of the blowhole, and probably of air sacs used (perhaps) for sound production. The 7th nerve is decidedly bigger than the 8th in the elephant, probably due to an enlargement of the motor component for fine control of the trunk. The alligator, which is not noted for its facial mob ...
Neurotransmitters: Acetylcholine and Dopamine
... – 2. Once the rats were able to do this, the researchers injected one group of rats with scopolamine, which blocks acetylcholine receptor sites decreasing available acetylcholine. – 3. Then the second group of rats was injected with physostigmine, which blocks the production of cholinesterase which ...
... – 2. Once the rats were able to do this, the researchers injected one group of rats with scopolamine, which blocks acetylcholine receptor sites decreasing available acetylcholine. – 3. Then the second group of rats was injected with physostigmine, which blocks the production of cholinesterase which ...
17 Human Single Unit Activity for Reach and Grasp Motor Prostheses
... has found that the activity of monkey motor cortical neurons is better explained by preferred “pathlets” or trajectories for reach and grasp rather than by preferred directions that are independent in space and time (Hatsopoulos et al., 2007; Saleh et al., 2010; Saleh et al., 2012). This is a remark ...
... has found that the activity of monkey motor cortical neurons is better explained by preferred “pathlets” or trajectories for reach and grasp rather than by preferred directions that are independent in space and time (Hatsopoulos et al., 2007; Saleh et al., 2010; Saleh et al., 2012). This is a remark ...
n–3 long-chain polyunsaturated fatty acids for optimal function
... with mild to moderate Alzheimer’s disease. The study participants, who had a mean age of 74 years and an MMSE score of 15 points or more (30 being the highest), were provided with 2.3g n–3 LCP per day, or placebo, for 6 months. After 6 months of intervention the decline in cognitive function as asse ...
... with mild to moderate Alzheimer’s disease. The study participants, who had a mean age of 74 years and an MMSE score of 15 points or more (30 being the highest), were provided with 2.3g n–3 LCP per day, or placebo, for 6 months. After 6 months of intervention the decline in cognitive function as asse ...