Somatosensory System Organization and Texture Sensation in Rats
... 21.6C). Beyond the special case of whiskers, it is common to refer to a brain representation as a “map” whenever the spatial relationship among sensory receptors is conserved in the central representation of the sense organ. A historical note on the discovery of cortical somatosensory maps is given ...
... 21.6C). Beyond the special case of whiskers, it is common to refer to a brain representation as a “map” whenever the spatial relationship among sensory receptors is conserved in the central representation of the sense organ. A historical note on the discovery of cortical somatosensory maps is given ...
Drives and emotions: the hypothalamus and limbic system
... hypothalamus. The dashed red lines in B and C indicate the transverse plane sometimes used as the diencephalon-telencephalon boundary; the area between this plane and the lamina terminalis (the preoptic area) is considered here to be part of the hypothalamus. 3, third ventricle (optic recess in C); ...
... hypothalamus. The dashed red lines in B and C indicate the transverse plane sometimes used as the diencephalon-telencephalon boundary; the area between this plane and the lamina terminalis (the preoptic area) is considered here to be part of the hypothalamus. 3, third ventricle (optic recess in C); ...
Neuronal control of swimming in jellyfish: a
... mutilated without undergoing destruction of their physiological continuity is in the highest degree astounding”. Romanes coupled his physiological knowledge with the histological information on nerve-net structure to put forward this analogy of the motor nerve net: “…if the reader will imagine a dis ...
... mutilated without undergoing destruction of their physiological continuity is in the highest degree astounding”. Romanes coupled his physiological knowledge with the histological information on nerve-net structure to put forward this analogy of the motor nerve net: “…if the reader will imagine a dis ...
Lecture 8 Motion Perception
... retina that is due to eye movements vs. object movements? • Comparator: An area of the visual system that receives one copy of the order issued by the motor system when the eyes move (the other copy goes to the eye muscles). The comparator can compensate for the image changes caused by the eye mov ...
... retina that is due to eye movements vs. object movements? • Comparator: An area of the visual system that receives one copy of the order issued by the motor system when the eyes move (the other copy goes to the eye muscles). The comparator can compensate for the image changes caused by the eye mov ...
Modulation of early cortical processing during divided attention to
... owing to the low temporal resolution of the methods employed, these studies are not suitable for investigating whether or not any cost involved in splitting the spotlight might impact on the precise temporal locus of attention, i.e. whether the modulation might occur during initial feedforward proce ...
... owing to the low temporal resolution of the methods employed, these studies are not suitable for investigating whether or not any cost involved in splitting the spotlight might impact on the precise temporal locus of attention, i.e. whether the modulation might occur during initial feedforward proce ...
1. Biophysics of the Nervous System
... generally 1 mm/s. To the end of the distance its amplitude decreases up to 1/3 of its original value at starting point. Its effect can be depolarizing or hyperpolarizing. ...
... generally 1 mm/s. To the end of the distance its amplitude decreases up to 1/3 of its original value at starting point. Its effect can be depolarizing or hyperpolarizing. ...
敌獳湯⌠ⴷ8
... A view of the cerebellum from below (Fig. 5.2) reveals the upper portion of the fourth ventricle lying between the cerebellar peduncles. The fourth ventricle communicates with the subarachnoid space through a single median aperture (foramen of Magendie) and two lateral apertures (foramina of Luschk ...
... A view of the cerebellum from below (Fig. 5.2) reveals the upper portion of the fourth ventricle lying between the cerebellar peduncles. The fourth ventricle communicates with the subarachnoid space through a single median aperture (foramen of Magendie) and two lateral apertures (foramina of Luschk ...
the Central Nervous System
... 2. Communicate with the brain stem and spinal cord 3. Consists of tracts carrying information from point A to point B B. Commisures - communication between cerebral hemispheres 1. corpus callosum – connects left and right hemispheres a. “split brain” patients are special C. Association fibers - conn ...
... 2. Communicate with the brain stem and spinal cord 3. Consists of tracts carrying information from point A to point B B. Commisures - communication between cerebral hemispheres 1. corpus callosum – connects left and right hemispheres a. “split brain” patients are special C. Association fibers - conn ...
A Curious Commentary on a Book on Mirror Neurons and Other
... interesting study showing that eye movement response times during object directed actions were slowed following vPMC stimulation. This suggests a link between handaction motor codes and eye movements, which makes sense given the need to coordinate these two actions during self-generated actions. Wha ...
... interesting study showing that eye movement response times during object directed actions were slowed following vPMC stimulation. This suggests a link between handaction motor codes and eye movements, which makes sense given the need to coordinate these two actions during self-generated actions. Wha ...
PDF - Oxford Academic - Oxford University Press
... division in some progenitors may be independent of Rho and associated kinases. For example, inhibition of Rho has been shown to disrupt cytokinesis of weekly adherent cells in culture but not strongly adherent cells, suggesting that Rho may not be essential for division of cells in certain functiona ...
... division in some progenitors may be independent of Rho and associated kinases. For example, inhibition of Rho has been shown to disrupt cytokinesis of weekly adherent cells in culture but not strongly adherent cells, suggesting that Rho may not be essential for division of cells in certain functiona ...
muscle stretch reflex
... As the extrafusal fibers are contracted due to either an outside or conscious stimulus, the sensory fibers decrease the frequency of action potential firing due to the decreased length of the central re ...
... As the extrafusal fibers are contracted due to either an outside or conscious stimulus, the sensory fibers decrease the frequency of action potential firing due to the decreased length of the central re ...
Expression of NADPH-d in the vagal nuclei of the
... major subject of many studies (4). However, the changes that occur in the central nervous system due to long-term acid exposure in the esophagus are not well explained. In this study, the difference in NADPH-d staining in the sham, ranitidine, and chronic gastroesophageal reflux groups was studied. ...
... major subject of many studies (4). However, the changes that occur in the central nervous system due to long-term acid exposure in the esophagus are not well explained. In this study, the difference in NADPH-d staining in the sham, ranitidine, and chronic gastroesophageal reflux groups was studied. ...
PSYC 2301 Chapter 2
... LO 6 Evaluate pseudo psychology and its relationship to critical thinking. LO 7 Describe how psychologists use the scientific method. LO 8 Summarize the importance of a random sample. LO 9 Recognize the forms of descriptive research. LO 10 Explain how the experimental method relates to cause and eff ...
... LO 6 Evaluate pseudo psychology and its relationship to critical thinking. LO 7 Describe how psychologists use the scientific method. LO 8 Summarize the importance of a random sample. LO 9 Recognize the forms of descriptive research. LO 10 Explain how the experimental method relates to cause and eff ...
- Valiente Lab
... controls the development of inhibitory circuitries in the mammalian cerebral cortex by cell-autonomously regulating the connectivity of specific GABA (c-aminobutyric acid)-containing interneurons. In contrast to the prevalent view, which supports a role for these genes in the formation and function ...
... controls the development of inhibitory circuitries in the mammalian cerebral cortex by cell-autonomously regulating the connectivity of specific GABA (c-aminobutyric acid)-containing interneurons. In contrast to the prevalent view, which supports a role for these genes in the formation and function ...
Tuning Curve Shift by Attention Modulation in Cortical Neurons: a
... 4C). When we simulate an attentional signal with inhibitory surround effect, we use r9A = 0.52, A0 = –0.48 and A1 = 1.5. For each of these models, and each parameter set explored, we found the network activity pattern in response to a single stimulus (centered at xS), and the spatial tuning curve of ...
... 4C). When we simulate an attentional signal with inhibitory surround effect, we use r9A = 0.52, A0 = –0.48 and A1 = 1.5. For each of these models, and each parameter set explored, we found the network activity pattern in response to a single stimulus (centered at xS), and the spatial tuning curve of ...
Centre for the Biology of Memory
... use an expression from photography. At the ventral pole of the hippocampus the scale of spatial representation at which the place cells fire is around 10 metres, with a steady decrease down to 50 centimetres at the dorsal pole. The place cells receive information from the senses, especially vision, ...
... use an expression from photography. At the ventral pole of the hippocampus the scale of spatial representation at which the place cells fire is around 10 metres, with a steady decrease down to 50 centimetres at the dorsal pole. The place cells receive information from the senses, especially vision, ...
Smell and Taste: The Chemical Senses
... Odorants induce increases in adenylyl cyclase activity and cAMP in preparations of olfactory cilia. This effect is GTP dependent, suggesting that olfactory transduction, like visual transduction, proceeds via a G protein-coupled mechanism. The existence of an ionic conductance in olfactory cilia tha ...
... Odorants induce increases in adenylyl cyclase activity and cAMP in preparations of olfactory cilia. This effect is GTP dependent, suggesting that olfactory transduction, like visual transduction, proceeds via a G protein-coupled mechanism. The existence of an ionic conductance in olfactory cilia tha ...
Control and Coordination
... Control and Coordination In the earlier lessons you have studied that the body of all living organisms is made up of cells. These cells aggregate and differentiate to form tissues and assembly of different tissues forms different organs. The various organs perform their functions at the right time s ...
... Control and Coordination In the earlier lessons you have studied that the body of all living organisms is made up of cells. These cells aggregate and differentiate to form tissues and assembly of different tissues forms different organs. The various organs perform their functions at the right time s ...
research statement
... direct connections but also an interneuronal space as a medium to spread information that enable neighbour neurons start plasticity processes, e.g. connecting. The new models emphasise the aggregative and associative properties of biological neurons. Each neuron can represent an infinite set of time ...
... direct connections but also an interneuronal space as a medium to spread information that enable neighbour neurons start plasticity processes, e.g. connecting. The new models emphasise the aggregative and associative properties of biological neurons. Each neuron can represent an infinite set of time ...
Advanced biomaterial strategies to transplant preformed micro
... its intricate structure as well as its robust adaptive plasticity, the human brain possesses tremendous cognitive, sensory, and motor capabilities; however, despite all of these features, the brain is rather limited to repair itself in response to a large deficit such as stroke, severe traumatic brai ...
... its intricate structure as well as its robust adaptive plasticity, the human brain possesses tremendous cognitive, sensory, and motor capabilities; however, despite all of these features, the brain is rather limited to repair itself in response to a large deficit such as stroke, severe traumatic brai ...
Implied Motion Activation in Cortical Area MT Can Be
... arises whether they show similar direction preference for implied motion and whether modulation of responses to one motion type by the other occurs at the level of MT. To address the above questions, we performed extracellular single and multiunit recordings in area MT of awake macaque monkeys while ...
... arises whether they show similar direction preference for implied motion and whether modulation of responses to one motion type by the other occurs at the level of MT. To address the above questions, we performed extracellular single and multiunit recordings in area MT of awake macaque monkeys while ...
Mapping Horizontal Spread of Activity in Monkey Motor
... with these observations, anatomical studies revealed a dense network of horizontal connections linking distant cortical points of the motor cortex (Huntley and Jones, 1991; Keller, 1993; Weiss and Keller, 1994). In rodent, cat, and macaque monkey, these intrinsic connections preferentially link repr ...
... with these observations, anatomical studies revealed a dense network of horizontal connections linking distant cortical points of the motor cortex (Huntley and Jones, 1991; Keller, 1993; Weiss and Keller, 1994). In rodent, cat, and macaque monkey, these intrinsic connections preferentially link repr ...
Descision making
... • If we get the categorization wrong, (overall teacher - overall output) will either be -1 or +1: - If we said “yes” when the answer was “no,” we’re too high on the weights and we will get a (teacher - output) of -1 which will result in reducing the weights. - If we said “no” when the answer was “ye ...
... • If we get the categorization wrong, (overall teacher - overall output) will either be -1 or +1: - If we said “yes” when the answer was “no,” we’re too high on the weights and we will get a (teacher - output) of -1 which will result in reducing the weights. - If we said “no” when the answer was “ye ...
Organization of Visual Areas in Macaque and Human Cerebral
... data in a convenient and electronically-accessible format; (iii) represent various types of spatial uncertainty that are associated with real experimental data; (iv) compensate for individual variability and (v) make objective interspecies comparisons of cortical organization. Visual areas in the ma ...
... data in a convenient and electronically-accessible format; (iii) represent various types of spatial uncertainty that are associated with real experimental data; (iv) compensate for individual variability and (v) make objective interspecies comparisons of cortical organization. Visual areas in the ma ...