Integration of Perspective and Disparity Cues in Surface
... Tsutsui, Ken-ichiro, Min Jiang, Kazuo Yara, Hideo Sakata, and Masato Taira. Integration of perspective and disparity cues in surface-orientation–selective neurons of area CIP. J Neurophysiol 86: 2856 –2867, 2001. We investigated the effects of linear perspective and binocular disparity, as monocular ...
... Tsutsui, Ken-ichiro, Min Jiang, Kazuo Yara, Hideo Sakata, and Masato Taira. Integration of perspective and disparity cues in surface-orientation–selective neurons of area CIP. J Neurophysiol 86: 2856 –2867, 2001. We investigated the effects of linear perspective and binocular disparity, as monocular ...
Down - 서울대 Biointelligence lab
... self-organizing feature maps. (A) Initial map with random weight values. (B) and (C) Two examples of the resulting feature map after 1000 random training examples with different random initial conditions. These simulations are discussed further in Chapter 12. (C) 2012 SNU CSE Biointelligence Lab, ht ...
... self-organizing feature maps. (A) Initial map with random weight values. (B) and (C) Two examples of the resulting feature map after 1000 random training examples with different random initial conditions. These simulations are discussed further in Chapter 12. (C) 2012 SNU CSE Biointelligence Lab, ht ...
Role of Glucose-Induced Oxidative Stress - Diabetes
... Initial experiments were designed to test the influence of high concentrations of glucose (50 mmol/l) on survival of sensory neurons in culture, the induction of apoptosis, and markers of oxidative stress. Sensory neurons from adult control rats were grown up to 4 weeks in F12 medium with 10% FBS. H ...
... Initial experiments were designed to test the influence of high concentrations of glucose (50 mmol/l) on survival of sensory neurons in culture, the induction of apoptosis, and markers of oxidative stress. Sensory neurons from adult control rats were grown up to 4 weeks in F12 medium with 10% FBS. H ...
The projection of the lateral geniculate nucleus to area 17 of the rat
... Reconstructed dendrites The essentially smooth contours of these dendrites receiving degenerating geniculocortical afferents on their shafts becomes more apparent when their forms are reconstructed from serial thin sections, as shown in Figs. 3-7. At this point it will help to give an indication of ...
... Reconstructed dendrites The essentially smooth contours of these dendrites receiving degenerating geniculocortical afferents on their shafts becomes more apparent when their forms are reconstructed from serial thin sections, as shown in Figs. 3-7. At this point it will help to give an indication of ...
A visual motion detection circuit suggested by Drosophila
... term ultraperiodic. We do not include infraperiodic tangential or local amacrine-like cells even if they have arborizations in every column because this cannot be determined unambiguously from our electron microscopy reconstruction (Supplementary Table 2). We used the existence of multiple represent ...
... term ultraperiodic. We do not include infraperiodic tangential or local amacrine-like cells even if they have arborizations in every column because this cannot be determined unambiguously from our electron microscopy reconstruction (Supplementary Table 2). We used the existence of multiple represent ...
A new approach to neural cell culture for long
... We have developed a new method for culturing cells that maintains their health and sterility for many months. Using conventional techniques, primary neuron cultures seldom survive more than 2 months. Increases in the osmotic strength of media due to evaporation are a large and underappreciated contr ...
... We have developed a new method for culturing cells that maintains their health and sterility for many months. Using conventional techniques, primary neuron cultures seldom survive more than 2 months. Increases in the osmotic strength of media due to evaporation are a large and underappreciated contr ...
MIRROR NEURON FUNCTION: AN EXAMINATION OF
... food does not move his fingers. Another important aspect is that activation ceases when the food is made available to him. Whereas, if these neurons were related to pre-motor neurons then activation would have increased in response to preparation of movement execution, not decreased. This supports t ...
... food does not move his fingers. Another important aspect is that activation ceases when the food is made available to him. Whereas, if these neurons were related to pre-motor neurons then activation would have increased in response to preparation of movement execution, not decreased. This supports t ...
Neuronal sources of hedgehog modulate neurogenesis in the adult
... nkx2.1 and arx were originally cloned and isolated during an RNAi screen aimed at identifying planarian transcription factors with potential roles in neuronal specification. A unique behavioral defect was observed in all nkx2.1(RNAi) animals, characterized by tonic muscular contractions that bend th ...
... nkx2.1 and arx were originally cloned and isolated during an RNAi screen aimed at identifying planarian transcription factors with potential roles in neuronal specification. A unique behavioral defect was observed in all nkx2.1(RNAi) animals, characterized by tonic muscular contractions that bend th ...
Memory, navigation and theta rhythm in the
... spiking activity of hippocampal neurons is associated with the spatial position of the rat. In the footsteps of these discoveries, many attempts were made to reconcile these seemingly disparate functions. Here we propose that mechanisms of memory and planning have evolved from mechanisms of navigati ...
... spiking activity of hippocampal neurons is associated with the spatial position of the rat. In the footsteps of these discoveries, many attempts were made to reconcile these seemingly disparate functions. Here we propose that mechanisms of memory and planning have evolved from mechanisms of navigati ...
ch_12_lecture_presentation
... An Introduction to the Nervous System • Learning Outcomes • 12-7 Describe the structure of a synapse, and explain the mechanism involved in synaptic activity. • 12-8 Describe the major types of neurotransmitters and neuromodulators, and discuss their effects on postsynaptic membranes. ...
... An Introduction to the Nervous System • Learning Outcomes • 12-7 Describe the structure of a synapse, and explain the mechanism involved in synaptic activity. • 12-8 Describe the major types of neurotransmitters and neuromodulators, and discuss their effects on postsynaptic membranes. ...
PDF
... ramps up gradually, at each point in time signalling the predicted distance from the goal. ...
... ramps up gradually, at each point in time signalling the predicted distance from the goal. ...
From/To LTM - Ohio University
... The layered uniform structure of identical processing units, postulated by Mountcastle as a minicolumn organization [1][3], supports the biological intelligence building in human neocortex. Neurons on different layers of minicolumns are proposed to have specific function in the interaction between ...
... The layered uniform structure of identical processing units, postulated by Mountcastle as a minicolumn organization [1][3], supports the biological intelligence building in human neocortex. Neurons on different layers of minicolumns are proposed to have specific function in the interaction between ...
letter - Hanks Lab
... far. Contrary to current views3,5,7–9, this suggests that premotor activity in the frontal cortex does not have a role in the accumulation process, but instead has a more categorical function, such as transforming accumulated evidence into a discrete choice. To probe causally the role of FOF activit ...
... far. Contrary to current views3,5,7–9, this suggests that premotor activity in the frontal cortex does not have a role in the accumulation process, but instead has a more categorical function, such as transforming accumulated evidence into a discrete choice. To probe causally the role of FOF activit ...
A Comparison of Spiking Statistics in Motion Sensing Neurones of
... relative to the start of the trial. Because the time window usually has a much shorter duration than the whole trial, this process can be repeated for many timepoints relative to stimulus onset, a variance and mean calculation of the spike count across trials being made for each position of the time ...
... relative to the start of the trial. Because the time window usually has a much shorter duration than the whole trial, this process can be repeated for many timepoints relative to stimulus onset, a variance and mean calculation of the spike count across trials being made for each position of the time ...
The functional anatomy of basal ganglia disorders
... interneurons. Striatal interneurons can be subdivided by histochemical or immunohistochemical identification of which neurotransmitter or neuropeptide is contained within them. The best characterized subpopulations of striatal interneurons are cholinergic interneurons 11 and another group that conta ...
... interneurons. Striatal interneurons can be subdivided by histochemical or immunohistochemical identification of which neurotransmitter or neuropeptide is contained within them. The best characterized subpopulations of striatal interneurons are cholinergic interneurons 11 and another group that conta ...
The hippocampo-cortical loop: Spatio
... temporal information, a state is corresponding to either the current information about the environment (sensory state in EC), or the prediction of this information. In both cases, we build transitions between states which are coded on one neuron (‘‘Transition cell’’, see below). In all our models, n ...
... temporal information, a state is corresponding to either the current information about the environment (sensory state in EC), or the prediction of this information. In both cases, we build transitions between states which are coded on one neuron (‘‘Transition cell’’, see below). In all our models, n ...
Neuroscience - Thermo Fisher Scientific
... Using this technology and assay method, we could identify synaptic changes over time and measure synaptic and neurite parameters in an automated manner. ...
... Using this technology and assay method, we could identify synaptic changes over time and measure synaptic and neurite parameters in an automated manner. ...
12. Biomimetics
... • It requires the scientific understanding of the mechanisms underlying thought and intelligent behavior ...
... • It requires the scientific understanding of the mechanisms underlying thought and intelligent behavior ...
Balanced Excitatory and Inhibitory Inputs to Cortical Neurons
... greatly, irregular neuronal firing makes it difficult to estimate instantaneous firing rates accurately. If, however, the irregularity of spike timing is decoupled from rate modulations, the estimate of firing rate can be improved. Here, we introduce a novel coding scheme to make the firing irregula ...
... greatly, irregular neuronal firing makes it difficult to estimate instantaneous firing rates accurately. If, however, the irregularity of spike timing is decoupled from rate modulations, the estimate of firing rate can be improved. Here, we introduce a novel coding scheme to make the firing irregula ...
segregation of stimulus phase and intensity coding in the cochlear
... (along some quantitative measure of phase locking such as vector strength) and reject any responses which fall below that level. These methods are artificial because some assumption must be made about what does or does not represent a level of information which is meaningful to the nervous system. E ...
... (along some quantitative measure of phase locking such as vector strength) and reject any responses which fall below that level. These methods are artificial because some assumption must be made about what does or does not represent a level of information which is meaningful to the nervous system. E ...
Neurotransmitter Function
... This potential is about -70mV. The potential fluctuates depending on the flow and concentration of ions inside and outside the cell. • depolarized or hyperpolarized ...
... This potential is about -70mV. The potential fluctuates depending on the flow and concentration of ions inside and outside the cell. • depolarized or hyperpolarized ...
Imitation as Faithful Copying of a Novel Technique in Marmoset
... Specialist or transformational theories suggest that the correspondence problem is solved by activating an innate, speciesspecific cognitive mechanism that represents observed actions in a special-purpose ‘supramodal’ or symbolic code [27]. These theories would also require the observers to have had ...
... Specialist or transformational theories suggest that the correspondence problem is solved by activating an innate, speciesspecific cognitive mechanism that represents observed actions in a special-purpose ‘supramodal’ or symbolic code [27]. These theories would also require the observers to have had ...
The mouse C9ORF72 ortholog is enriched in neurons known to
... more of these mechanisms are the cause of neuronal degeneration has not been resolved. Regardless of which molecular mechanism, or mechanisms, are responsible for the mutation's negative effects, it remains to be determined whether this mutation acts primary in the neural subtypes subject to degener ...
... more of these mechanisms are the cause of neuronal degeneration has not been resolved. Regardless of which molecular mechanism, or mechanisms, are responsible for the mutation's negative effects, it remains to be determined whether this mutation acts primary in the neural subtypes subject to degener ...