One Computer Scientist`s (Deep) Superior Colliculus
... This thesis is dedicated to the study of the deep superior colliculus, a region of the vertebrate midbrain. The deep superior colliculus integrates visual, auditory, and other sensory input to localize stimuli and guide motor behavior. Its evolutionary preservation, its role in sensorimotor processi ...
... This thesis is dedicated to the study of the deep superior colliculus, a region of the vertebrate midbrain. The deep superior colliculus integrates visual, auditory, and other sensory input to localize stimuli and guide motor behavior. Its evolutionary preservation, its role in sensorimotor processi ...
sample - Create Training
... well as a review for the practicing clinician. The head and neck comprise the foundation for dental anatomical study. The many small, inter-related structures are not easily observable, which makes head and neck anatomy one of the most difficult disciplines for students to master. This second editio ...
... well as a review for the practicing clinician. The head and neck comprise the foundation for dental anatomical study. The many small, inter-related structures are not easily observable, which makes head and neck anatomy one of the most difficult disciplines for students to master. This second editio ...
Vasopressin Receptors of the Vasopressor (V,)
... These data suggest that the nucleus of the solitary tract probably contains a subpopulation of cardiovascular-related neurons whose bioelectrical activity may be affected by exogenous vasopressin. In the present study, using electrophysiological recordings from brain-stem slices, we show that vasopr ...
... These data suggest that the nucleus of the solitary tract probably contains a subpopulation of cardiovascular-related neurons whose bioelectrical activity may be affected by exogenous vasopressin. In the present study, using electrophysiological recordings from brain-stem slices, we show that vasopr ...
Changes of Synaptic Density in the Primary Visual Cortex of the
... to estimate the degree of shrinkage from exposure to aldehydes during the perfusion itself because it would have required surgery before perfusion for each individual case. This is not, however, a limitation in our study since we compared densities of synapses at different stages of maturation rathe ...
... to estimate the degree of shrinkage from exposure to aldehydes during the perfusion itself because it would have required surgery before perfusion for each individual case. This is not, however, a limitation in our study since we compared densities of synapses at different stages of maturation rathe ...
PDF - Oxford Academic - Oxford University Press
... this inhibition are still largely unknown. Notably, whether such an inhibition of nociception occurs at the cortical level has not been investigated at all. Many previous studies have considered the dorsal horn of the spinal cord as an important site for this phenomenon where large myelinated fiber i ...
... this inhibition are still largely unknown. Notably, whether such an inhibition of nociception occurs at the cortical level has not been investigated at all. Many previous studies have considered the dorsal horn of the spinal cord as an important site for this phenomenon where large myelinated fiber i ...
cerebellar projections to the superior colliculus in the cat1
... nucleus. These findings point to the lateral nucleus and, to a lesser extent, to the anterior interpositus as the origin of the degenerated fibers described by Lago (1975) as ending in the stratum griseum intermedium of the superior colliculus after lesions of the brachium conjunctivum in the cat. I ...
... nucleus. These findings point to the lateral nucleus and, to a lesser extent, to the anterior interpositus as the origin of the degenerated fibers described by Lago (1975) as ending in the stratum griseum intermedium of the superior colliculus after lesions of the brachium conjunctivum in the cat. I ...
The effect of selective attention on auditory frequency
... When we listen to a friend in a noisy café, the segregation between information and noise depends largely on the differences in neural level representations of the auditory inputs. The auditory cortex (AC) is tonotopically organized, which means that the frequency information is mapped to the cortic ...
... When we listen to a friend in a noisy café, the segregation between information and noise depends largely on the differences in neural level representations of the auditory inputs. The auditory cortex (AC) is tonotopically organized, which means that the frequency information is mapped to the cortic ...
Hikosaka O - lsr
... rats the normal sleep pattern and atonia are restored15,17. Second, the firing of habenula neurons shows circadian rhythmicity 18, even in slice preparations19. Third, neural activity of the LHb or the MHb increases markedly during drug-induced general anesthaesia20–22 and emerging evidence suggests ...
... rats the normal sleep pattern and atonia are restored15,17. Second, the firing of habenula neurons shows circadian rhythmicity 18, even in slice preparations19. Third, neural activity of the LHb or the MHb increases markedly during drug-induced general anesthaesia20–22 and emerging evidence suggests ...
Reward-Related Responses in the Human Striatum
... signal during affective outcomes. First, while activation in both dorsal and ventral striatum was observed during delivery of rewards and punishments in the card-guessing game, the intensity of the fMRI signal was higher in the dorsal striatum, predominantly the head of the caudate nucleus.36 This w ...
... signal during affective outcomes. First, while activation in both dorsal and ventral striatum was observed during delivery of rewards and punishments in the card-guessing game, the intensity of the fMRI signal was higher in the dorsal striatum, predominantly the head of the caudate nucleus.36 This w ...
The Dialectics of Hebb and Homeostasis within
... from widely different mean firing rates (Hengen et al., 2016). The simplest explanation for this observation is that FRH is largely achieved through a set of cell-autonomous homeostatic mechanisms. Are other aspects of “activity” besides mean firing rate conserved during homeostatic plasticity in CN ...
... from widely different mean firing rates (Hengen et al., 2016). The simplest explanation for this observation is that FRH is largely achieved through a set of cell-autonomous homeostatic mechanisms. Are other aspects of “activity” besides mean firing rate conserved during homeostatic plasticity in CN ...
Pyramidal neurons: dendritic structure and synaptic integration
... neurons, their functional significance is not clearly understood. They might increase the dendritic surface area in order to optimize the packing of a large number of synapses onto a given length of dendrite186–188. Alternatively, they might serve as biochemical compartments that restrict the diffus ...
... neurons, their functional significance is not clearly understood. They might increase the dendritic surface area in order to optimize the packing of a large number of synapses onto a given length of dendrite186–188. Alternatively, they might serve as biochemical compartments that restrict the diffus ...
Experience-dependent corticofugal adjustment
... was monitored with a strain gauge. ASt and ESl are a conditioning and an unconditioned stimulus, respectively. There were four steps in our experiments: (step 1) to confirm the shift in BF, i.e., the shift in the frequency map observed in the central nucleus of the IC by Yan and Suga (11), we delive ...
... was monitored with a strain gauge. ASt and ESl are a conditioning and an unconditioned stimulus, respectively. There were four steps in our experiments: (step 1) to confirm the shift in BF, i.e., the shift in the frequency map observed in the central nucleus of the IC by Yan and Suga (11), we delive ...
The Emerging Roles of Oxytocin in Rhythmic Prolactin Release
... Prediction: The PRL rhythm will return when the OT antagonist leaves the system. That is, OT at the lactotroph is required for the expression of the rhythm, but not for triggering the rhythm. Time (days) As predicted, the prolactin rhythm comes back once the antagonist clears the system (day 2 – no ...
... Prediction: The PRL rhythm will return when the OT antagonist leaves the system. That is, OT at the lactotroph is required for the expression of the rhythm, but not for triggering the rhythm. Time (days) As predicted, the prolactin rhythm comes back once the antagonist clears the system (day 2 – no ...
video slide - Course
... 6 The interneurons inhibit motor neurons that supply the hamstring (flexor) muscle. This inhibition prevents the hamstring from contracting, which would resist the action of the quadriceps. ...
... 6 The interneurons inhibit motor neurons that supply the hamstring (flexor) muscle. This inhibition prevents the hamstring from contracting, which would resist the action of the quadriceps. ...
Reaching beyond the classical receptive field of V1 neurons
... ceases to increase [20,54,84]. The high contrast summation RF (hsRF) corresponds to the region of visual field over which the cell summates stimuli. This method provides estimates of RF center size larger than the mRF or the RF center sizes obtained using automatic plotting by reverse correlation (Fi ...
... ceases to increase [20,54,84]. The high contrast summation RF (hsRF) corresponds to the region of visual field over which the cell summates stimuli. This method provides estimates of RF center size larger than the mRF or the RF center sizes obtained using automatic plotting by reverse correlation (Fi ...
On the carapacial ridge in turtle embryos
... condensation representing the rib primordium have migrated into the lateral wall (Fig. 1D and Fig. 3A, left middle). By contrast, the previously observed indentation in P. sinensis is still clearly visible, showing the boundary of the axis and body wall. Furthermore, the ventrolateral part of the de ...
... condensation representing the rib primordium have migrated into the lateral wall (Fig. 1D and Fig. 3A, left middle). By contrast, the previously observed indentation in P. sinensis is still clearly visible, showing the boundary of the axis and body wall. Furthermore, the ventrolateral part of the de ...
Brainstem Nuclei and Tracts
... medial one fifth of the basis pedunculi. Most fibers terminate in reticular formation. Others end in motor nuclei of cranial nerves. The function of those corticobulbar fibers is to modify sensory transmission and control movement. • Corticopontine fibers (two parts) • Front pontine tract is part of ...
... medial one fifth of the basis pedunculi. Most fibers terminate in reticular formation. Others end in motor nuclei of cranial nerves. The function of those corticobulbar fibers is to modify sensory transmission and control movement. • Corticopontine fibers (two parts) • Front pontine tract is part of ...
On the carapacial ridge in turtle embryos: its developmental origin
... condensation representing the rib primordium have migrated into the lateral wall (Fig. 1D and Fig. 3A, left middle). By contrast, the previously observed indentation in P. sinensis is still clearly visible, showing the boundary of the axis and body wall. Furthermore, the ventrolateral part of the de ...
... condensation representing the rib primordium have migrated into the lateral wall (Fig. 1D and Fig. 3A, left middle). By contrast, the previously observed indentation in P. sinensis is still clearly visible, showing the boundary of the axis and body wall. Furthermore, the ventrolateral part of the de ...
The effect of injuring one of the first two blastomeres
... medullary fold lies nearer to the injured yolk than does the other, and as a result the two sides of the body are unevenly developed. The asymmetrical position of the blastopore on the living' part is assumed to be the underlying cause of the later asymmetrical position of the medullary folds; hut f ...
... medullary fold lies nearer to the injured yolk than does the other, and as a result the two sides of the body are unevenly developed. The asymmetrical position of the blastopore on the living' part is assumed to be the underlying cause of the later asymmetrical position of the medullary folds; hut f ...
Simulating Populations of Neurons - Leeds VLE
... an understanding as to how the software NEST used learning rules to simulate different models connected in various networks. Skills and techniques learnt from the Computational Modelling module (COMP5320M) were used to analyse and pre-process data obtained from simulations. This project provided the ...
... an understanding as to how the software NEST used learning rules to simulate different models connected in various networks. Skills and techniques learnt from the Computational Modelling module (COMP5320M) were used to analyse and pre-process data obtained from simulations. This project provided the ...
The Prefrontal Cortex and Flexible Behavior
... complex, but they appear to be governed by a simple rule based on the structural relationship of pairs of linked areas, which we call the structural model for connections. Structure in this context refers to the number of cortical layers present in a given area, or the overall neuronal density, and ...
... complex, but they appear to be governed by a simple rule based on the structural relationship of pairs of linked areas, which we call the structural model for connections. Structure in this context refers to the number of cortical layers present in a given area, or the overall neuronal density, and ...
Immunocytochemical Distribution of the
... as the hippocampus, basal ganglia, and cerebellum, also express high levels of the CB1 receptor (Herkenham and others 1991; Matsuda and others 1993; Glass and others 1997; Biegon and Kerman 2001). Therefore, CB1 receptors in these regions may mediate certain deficits in cognitive functions observed f ...
... as the hippocampus, basal ganglia, and cerebellum, also express high levels of the CB1 receptor (Herkenham and others 1991; Matsuda and others 1993; Glass and others 1997; Biegon and Kerman 2001). Therefore, CB1 receptors in these regions may mediate certain deficits in cognitive functions observed f ...