Olfactory cortex as a model for telencephalic processing
... potentiation, if three active synapses suffice to elicit a response from target cells, then the three darkened cells will respond to input S (the combined activation of axons b, c, and d), and their active synapses (highlighted) will potentiate. (Right) After potentiation, strengthened synapses (enl ...
... potentiation, if three active synapses suffice to elicit a response from target cells, then the three darkened cells will respond to input S (the combined activation of axons b, c, and d), and their active synapses (highlighted) will potentiate. (Right) After potentiation, strengthened synapses (enl ...
A Temporal Continuity to the Vertical
... conducted an in vivo imaging study of human cortex in subjects aged 26--40 gestational weeks (GW). They employed diffusion tensor imaging to determine patterns of water diffusion anisotropy in developing cortex. Water diffusion patterns are determined by tissue microstructure and reflect alignment of ...
... conducted an in vivo imaging study of human cortex in subjects aged 26--40 gestational weeks (GW). They employed diffusion tensor imaging to determine patterns of water diffusion anisotropy in developing cortex. Water diffusion patterns are determined by tissue microstructure and reflect alignment of ...
Cerebellum
... Dysarthria and scanning speech Nystagmus Hypotonia Cerebellar ataxia (Romberg test) Dysmetria Diplopia Cognitive dysfunction ...
... Dysarthria and scanning speech Nystagmus Hypotonia Cerebellar ataxia (Romberg test) Dysmetria Diplopia Cognitive dysfunction ...
Low vision and brain plasticity Symposium abstract
... Introduction: The cholinergic system is a potent neuromodulatory system which plays a critical role in cortical plasticity, attention and learning. Recently, it was found that boosting this system during perceptual learning robustly enhances sensory perception. Especially, pairing cholinergic activa ...
... Introduction: The cholinergic system is a potent neuromodulatory system which plays a critical role in cortical plasticity, attention and learning. Recently, it was found that boosting this system during perceptual learning robustly enhances sensory perception. Especially, pairing cholinergic activa ...
Christof Koch, , 96 (1999); DOI: 10.1126/science.284.5411.96
... systems replete with specialized circuits, parallel pathways, and redundant mechanisms. The second issue concerns the relation between optimality and complexity of brain design. Anyone who has studied the performance of neural circuits can only be struck by their efficiency. We, like flies, can dete ...
... systems replete with specialized circuits, parallel pathways, and redundant mechanisms. The second issue concerns the relation between optimality and complexity of brain design. Anyone who has studied the performance of neural circuits can only be struck by their efficiency. We, like flies, can dete ...
Understanding the neurobiological mechanisms of
... that when young animals were allowed to explore his home for some weeks and then returned back to the lab, they showed better problem-solving ability than rats that had remained permanently in the lab. Hebb concluded that “the richer experience of the pet group mad during development made them bette ...
... that when young animals were allowed to explore his home for some weeks and then returned back to the lab, they showed better problem-solving ability than rats that had remained permanently in the lab. Hebb concluded that “the richer experience of the pet group mad during development made them bette ...
Plasticity in the developing brain: Implications for
... Neuronal plasticity allows the central nervous system to learn skills and remember information, to reorganize neuronal networks in response to environmental stimulation, and to recover from brain and spinal cord injuries. Neuronal plasticity is enhanced in the developing brain and it is usually adap ...
... Neuronal plasticity allows the central nervous system to learn skills and remember information, to reorganize neuronal networks in response to environmental stimulation, and to recover from brain and spinal cord injuries. Neuronal plasticity is enhanced in the developing brain and it is usually adap ...
Synaptic Responses of Cortical Pyramidal Neurons to Light
... arrow in Fig. 2A, 1). This suggestedthat the excitatory response may be shunted by concurrent inhibition, since the reversal potential for this phaseof the responsewaslower than one would expect from unopposed EPSPs, and that the hyperpolarizing responsemay result from an increasein Cl- conductance( ...
... arrow in Fig. 2A, 1). This suggestedthat the excitatory response may be shunted by concurrent inhibition, since the reversal potential for this phaseof the responsewaslower than one would expect from unopposed EPSPs, and that the hyperpolarizing responsemay result from an increasein Cl- conductance( ...
Motor Cortex
... Upper motor neuron lesions .............................................................................................. 7 Lower motor neuron lesions .............................................................................................. 7 A puzzle ........................................... ...
... Upper motor neuron lesions .............................................................................................. 7 Lower motor neuron lesions .............................................................................................. 7 A puzzle ........................................... ...
Introduction slides - Gatsby Computational Neuroscience Unit
... If we’re ever going to understand how networks of neurons compute things, we’re going to have to understand how networks of neurons work. The very last section of the course is on network dynamics. ...
... If we’re ever going to understand how networks of neurons compute things, we’re going to have to understand how networks of neurons work. The very last section of the course is on network dynamics. ...
Workshop program booklet
... is frequently phrased as a problem of most efficiently representing sensory information. As another example, the way people combine cues within the same modality or between modalities is often formulated as optimal inference given the constraint of sensory uncertainty. Such models, by specifying the ...
... is frequently phrased as a problem of most efficiently representing sensory information. As another example, the way people combine cues within the same modality or between modalities is often formulated as optimal inference given the constraint of sensory uncertainty. Such models, by specifying the ...
Cognitive Aging: Imaging, Emotion, and Memory
... As researchers begin to narrow the gap between neuroscience and the study of cognitive aging, new findings about the aging brain have begun to emerge. A growing body of research offers evidence that older adults think differently from younger ones. When older adults were asked to perform the same co ...
... As researchers begin to narrow the gap between neuroscience and the study of cognitive aging, new findings about the aging brain have begun to emerge. A growing body of research offers evidence that older adults think differently from younger ones. When older adults were asked to perform the same co ...
slides
... cuneate nuclei in the lower medulla. The axons of neurons in these nuclei ascend in the medial lemniscus and synapse on neurons in the ventral posterior lateral nucleus of the thalamus. The neurons in this nucleus in turn send axons to the somatic sensory cortex. At right is a lateral view of a cere ...
... cuneate nuclei in the lower medulla. The axons of neurons in these nuclei ascend in the medial lemniscus and synapse on neurons in the ventral posterior lateral nucleus of the thalamus. The neurons in this nucleus in turn send axons to the somatic sensory cortex. At right is a lateral view of a cere ...
Physiology Study Guide 12
... ____ 6. Sensory information from the eyes is not relayed to the Thalamus. ____ 7. The convolutions (folds) of the cerebrum are technically called “gyri”. ____ 8. The unpleasant emotion associated with pain, originates in the Cerebellum. ____ 9. In the general pattern for sensory pathways, informatio ...
... ____ 6. Sensory information from the eyes is not relayed to the Thalamus. ____ 7. The convolutions (folds) of the cerebrum are technically called “gyri”. ____ 8. The unpleasant emotion associated with pain, originates in the Cerebellum. ____ 9. In the general pattern for sensory pathways, informatio ...
Neurophysiology: Sensing and categorizing
... the same two buttons in response to a simple visual instruction, completely outside the context of the somatosensory categorization task. About half of the ‘categorical’ neurons ceased to respond differentially to the two arm movements in this control experiment, suggesting that a simple motor expla ...
... the same two buttons in response to a simple visual instruction, completely outside the context of the somatosensory categorization task. About half of the ‘categorical’ neurons ceased to respond differentially to the two arm movements in this control experiment, suggesting that a simple motor expla ...
control of movement by the CNS - motor neurons found in anterior
... project axons up to molecular region, then form parallel fibres to interact /w Purkinje Purkinje cells in middle layer inhibit deep cerebellar nuclei (GABA) dendritic tree flattened like an outstretched hand (looks like a bush in parasagittal plane, twig in coronal plane) each parasagittal band of P ...
... project axons up to molecular region, then form parallel fibres to interact /w Purkinje Purkinje cells in middle layer inhibit deep cerebellar nuclei (GABA) dendritic tree flattened like an outstretched hand (looks like a bush in parasagittal plane, twig in coronal plane) each parasagittal band of P ...
Dr. Coyle`s NIH Biosketch
... 4. Johnston MV, Grzanna R, Coyle JT. Methylazoxymethanol treatment of fetal rats results in abnormally dense noradrenergic innervation of neocortex. Science. 1979 Jan 26;203(4378):369-71. (Cited >180 times). 2. I became aware of the interesting findings of John Olney that systemic treatment of newbo ...
... 4. Johnston MV, Grzanna R, Coyle JT. Methylazoxymethanol treatment of fetal rats results in abnormally dense noradrenergic innervation of neocortex. Science. 1979 Jan 26;203(4378):369-71. (Cited >180 times). 2. I became aware of the interesting findings of John Olney that systemic treatment of newbo ...
Psychology 312-1 - Northwestern University
... things that organisms do—including acting, thinking and feeling—can and should be regarded as behaviors.[1] The behaviorist school of thought maintains that behaviors as such can be described scientifically without recourse either to internal physiological events or to hypothetical constructs such a ...
... things that organisms do—including acting, thinking and feeling—can and should be regarded as behaviors.[1] The behaviorist school of thought maintains that behaviors as such can be described scientifically without recourse either to internal physiological events or to hypothetical constructs such a ...
Berman - LIFE at UCF - University of Central Florida
... or more cognitive domains (complex attention, executive function, learning and memory, language, perceptual-motor, or social cognition) based on: 1. Concern of the individual, a knowledgeable informant, or the clinician that there has been a significant decline in cognitive function; and 2. A substa ...
... or more cognitive domains (complex attention, executive function, learning and memory, language, perceptual-motor, or social cognition) based on: 1. Concern of the individual, a knowledgeable informant, or the clinician that there has been a significant decline in cognitive function; and 2. A substa ...
I. Nervous System
... and neck via the cranial nerves. Though small, this is an extremely important part of the brain as the nerve connections of the motor and sensory systems from the main part of the brain to the rest of the body pass through the brain stem. This includes the corticospinal tract (motor), the posterior ...
... and neck via the cranial nerves. Though small, this is an extremely important part of the brain as the nerve connections of the motor and sensory systems from the main part of the brain to the rest of the body pass through the brain stem. This includes the corticospinal tract (motor), the posterior ...
The Nervous System
... Many students have encountered the material in this unit before, either in biology or in high school psychology. The trick, then, is to make this material clear but also different enough in orientation from what they learned earlier so that it will engage their interest. To the extent that you are c ...
... Many students have encountered the material in this unit before, either in biology or in high school psychology. The trick, then, is to make this material clear but also different enough in orientation from what they learned earlier so that it will engage their interest. To the extent that you are c ...
A zebrafish model exemplifies the long preclinical period of motor
... that this did not immediately activate a stress response in motor neurons, as all the motor neurons in the spinal cord did not exhibit DsRed expression at this stage. However, by adult stages (6-month-old zebrafish), the cholinergic motor neurons started showing neuronal stress.3 The stressed motor n ...
... that this did not immediately activate a stress response in motor neurons, as all the motor neurons in the spinal cord did not exhibit DsRed expression at this stage. However, by adult stages (6-month-old zebrafish), the cholinergic motor neurons started showing neuronal stress.3 The stressed motor n ...
conductance versus current-based integrate-and - Neuro
... commonly approximated as a fluctuating current. Synaptic drive is, however, better modelled by a fluctuating conductance. Recently, the effect this conductance change has on the response of neurons has been brought to the attention of theorists and experimentalists [1, 2]. It was demonstrated that s ...
... commonly approximated as a fluctuating current. Synaptic drive is, however, better modelled by a fluctuating conductance. Recently, the effect this conductance change has on the response of neurons has been brought to the attention of theorists and experimentalists [1, 2]. It was demonstrated that s ...