Not all vosial categorization tasks require attention
... Our monkey recordings showed that, for the neurons selected under the conditions described above, a large fraction of each neuron’s responses to multiple objects could be reliably predicted as the average of its responses to the constituent objects in isolation. In particular, the agreement of neuro ...
... Our monkey recordings showed that, for the neurons selected under the conditions described above, a large fraction of each neuron’s responses to multiple objects could be reliably predicted as the average of its responses to the constituent objects in isolation. In particular, the agreement of neuro ...
Age-related Increase in Astrocytes in the Visual Area V2 of the Cat
... Young (2–3 years old, n = 4) and old cats (12–13 years old, n = 4) were used in this study. All the subjects were healthy domestic cats (Felis domesticus) with complete age and health-care ...
... Young (2–3 years old, n = 4) and old cats (12–13 years old, n = 4) were used in this study. All the subjects were healthy domestic cats (Felis domesticus) with complete age and health-care ...
the distribution of the cells of origin of callosal projections in cat
... callosum to the adjacent cingulate gyri. This diffusion of HRP was sufficient to produce retrograde filling of neurons in the thalamus. In the animals used in this report, the thalamic label included a primary focus of HRP-filled neurons within the anterior nuclear group with additional light label ...
... callosum to the adjacent cingulate gyri. This diffusion of HRP was sufficient to produce retrograde filling of neurons in the thalamus. In the animals used in this report, the thalamic label included a primary focus of HRP-filled neurons within the anterior nuclear group with additional light label ...
Childhood Experience and the Expression of Genetic Potential
... Research in this area suggests that these neurons may play a role in the remarkable flexibility present in the human brain at birth. Depending upon the challenges of the ...
... Research in this area suggests that these neurons may play a role in the remarkable flexibility present in the human brain at birth. Depending upon the challenges of the ...
Intermediate
... nucleus ascends through the deep layers of V1 (layers 5, 6) subdividing repeatedly and terminating in layer 4C in a couple of 0.5 mm-wide clusters separated by 0.5 mm gaps (approximately). Axons from the two eyes alternate, giving ocular dominance columns in 4C. The presence of horizontal connection ...
... nucleus ascends through the deep layers of V1 (layers 5, 6) subdividing repeatedly and terminating in layer 4C in a couple of 0.5 mm-wide clusters separated by 0.5 mm gaps (approximately). Axons from the two eyes alternate, giving ocular dominance columns in 4C. The presence of horizontal connection ...
Cortical Maps - White Rose Research Online
... teractions may be described in terms of spatial relationships between neurons, as one might graph the excitation of one neuron by another against the distance that separates them in the tissue. Or an interaction may be described in terms of the functional relationships between neurons, as one might ...
... teractions may be described in terms of spatial relationships between neurons, as one might graph the excitation of one neuron by another against the distance that separates them in the tissue. Or an interaction may be described in terms of the functional relationships between neurons, as one might ...
A.L. Wafa`a sameer 2014 Nervous System/ Physiology Nervous system
... lemniscus. Conversely, signals in the anterolateral system, immediately after entering the spinal cord from the dorsal spinal nerve roots, synapse in the dorsal horns of the spinal gray matter, then cross to the opposite side of the cord and ascend through the anterior and lateral white columns of t ...
... lemniscus. Conversely, signals in the anterolateral system, immediately after entering the spinal cord from the dorsal spinal nerve roots, synapse in the dorsal horns of the spinal gray matter, then cross to the opposite side of the cord and ascend through the anterior and lateral white columns of t ...
Chapter 49 and 50 Presentations-Sensory and Motor Mechanisms
... information from sensors that detect external stimuli and internal conditions. These receptors are usually ...
... information from sensors that detect external stimuli and internal conditions. These receptors are usually ...
The Endogenously Active Brain: The Need for an
... a task or stimulus, which is represented and the representation is then transformed via operations specified by the architecture. This reactive conception of cognition (it occurs in response to a stimulus) has also been shared as the neurosciences began to provide insight into the representations an ...
... a task or stimulus, which is represented and the representation is then transformed via operations specified by the architecture. This reactive conception of cognition (it occurs in response to a stimulus) has also been shared as the neurosciences began to provide insight into the representations an ...
Full Article - CIHR Research Group in Sensory
... often weigh these factors differently and so it should come as no surprise that identical conditions can yield different results from one subject to the next. By examining the different strategies and their associated outcomes, we may gain valuable new insights into the neural mechanisms underlying ...
... often weigh these factors differently and so it should come as no surprise that identical conditions can yield different results from one subject to the next. By examining the different strategies and their associated outcomes, we may gain valuable new insights into the neural mechanisms underlying ...
Cortical Algorithms for Perceptual Grouping
... A fundamental task of vision is to group the image elements that belong to one object and to segregate them from other objects and the background. This review provides a conceptual framework of how perceptual grouping may be implemented in the visual cortex. According to this framework, two mechanis ...
... A fundamental task of vision is to group the image elements that belong to one object and to segregate them from other objects and the background. This review provides a conceptual framework of how perceptual grouping may be implemented in the visual cortex. According to this framework, two mechanis ...
nips2.frame - /marty/papers/drotdil
... Saito et al. (1986) demonstrated that MT neurons are not selective for particular senses of pattern rotation and dilation, but only for particular pattern translations (MT neurons will of course respond to a part of a large rotation or dilation that locally approximates the unit’s translational dire ...
... Saito et al. (1986) demonstrated that MT neurons are not selective for particular senses of pattern rotation and dilation, but only for particular pattern translations (MT neurons will of course respond to a part of a large rotation or dilation that locally approximates the unit’s translational dire ...
introduction - HAL
... and coordinately participates, with the glucocorticoid receptor (GR), to the control of stress responses, ...
... and coordinately participates, with the glucocorticoid receptor (GR), to the control of stress responses, ...
Cuneiform Neurons Activated during
... NADPH-diaphorase (NADPH-d)-containing neurons; the neurotransmitter of the other Fos ⫹ population remains unknown. The Cun nucleus did not contain cholinergic, catecholaminergic, serotonergic, or glycinergic neurons. On the basis of neuronal activation during AS-carbachol, as indicated by c-fos expr ...
... NADPH-diaphorase (NADPH-d)-containing neurons; the neurotransmitter of the other Fos ⫹ population remains unknown. The Cun nucleus did not contain cholinergic, catecholaminergic, serotonergic, or glycinergic neurons. On the basis of neuronal activation during AS-carbachol, as indicated by c-fos expr ...
PDF file
... Neural modulation addresses how a few particular types of neural transmitters are used by the central nervous system to regulate the development and operations of its circuits in general, and intrinsic motivation in particular. The material in the previous section deals with signal processing in hig ...
... Neural modulation addresses how a few particular types of neural transmitters are used by the central nervous system to regulate the development and operations of its circuits in general, and intrinsic motivation in particular. The material in the previous section deals with signal processing in hig ...
PDF hosted at the Radboud Repository of the Radboud University Nijmegen
... classical notion of object representation by distributed neuronal assemblies (Hebb, 1949). T he H ebb model implies th at only one assembly is activated in a given area w hich “stands o u t” from a background of inactive cortical neurons and, thus, becomes salient as a representational unit for othe ...
... classical notion of object representation by distributed neuronal assemblies (Hebb, 1949). T he H ebb model implies th at only one assembly is activated in a given area w hich “stands o u t” from a background of inactive cortical neurons and, thus, becomes salient as a representational unit for othe ...
Synaptic reverberation underlying mnemonic persistent activity
... Fig. I. Three types of working memory encoding. (a) Discrete working memory. In a delayed match (M)-to-sample (S) experiment, an inferotemporal neuron shows sustained high activity for the color red (but not green) of a visual cue, during a delay period of 16 s. Redrawn, with permission, from Fuster ...
... Fig. I. Three types of working memory encoding. (a) Discrete working memory. In a delayed match (M)-to-sample (S) experiment, an inferotemporal neuron shows sustained high activity for the color red (but not green) of a visual cue, during a delay period of 16 s. Redrawn, with permission, from Fuster ...
Remapping of Border Ownership in the Visual Cortex
... We see objects as having continuity although the retinal image changes frequently. How such continuity is achieved is hard to understand, because neurons in the visual cortex have small receptive fields that are fixed on the retina, which means that a different set of neurons is activated every time ...
... We see objects as having continuity although the retinal image changes frequently. How such continuity is achieved is hard to understand, because neurons in the visual cortex have small receptive fields that are fixed on the retina, which means that a different set of neurons is activated every time ...
Combination technique of matrix assisted laser/desorption
... mammalian neurons by MALDI-IMS. Further, those neurons were analyzed with SIMS-IMS in order to compare the distribution pattern of lipids and other derived fragments. The parameters which influence the identification of lipids in cultured neurons were optimized in order to get an optimum detection o ...
... mammalian neurons by MALDI-IMS. Further, those neurons were analyzed with SIMS-IMS in order to compare the distribution pattern of lipids and other derived fragments. The parameters which influence the identification of lipids in cultured neurons were optimized in order to get an optimum detection o ...
Spring 2011 MCB Transcript
... search. But Isacoff’s lab did find a cell that triggered swimming behavior when stimulated. That marked it as a great candidate for involvement with CPG function. The story grew even more interesting when they discovered that the cell they identified is quite unusual. It has all of the hallmarks of ...
... search. But Isacoff’s lab did find a cell that triggered swimming behavior when stimulated. That marked it as a great candidate for involvement with CPG function. The story grew even more interesting when they discovered that the cell they identified is quite unusual. It has all of the hallmarks of ...
Theme 4: Rhythmical movements (6 p)
... After some time you suddenly spot a chanterelle in the periphery of your visual field, by the side of your walking path. Describe in a concise way the sequence of events in your CNS that allows you to quickly direct you gaze towards the mushroom, mentioning the different regions involved and explain ...
... After some time you suddenly spot a chanterelle in the periphery of your visual field, by the side of your walking path. Describe in a concise way the sequence of events in your CNS that allows you to quickly direct you gaze towards the mushroom, mentioning the different regions involved and explain ...
Formation of Neuronal Pathways in the lmaginal Discs of Drosophila
... nervous system (Jan and Jan, 1981). One of the MAbs, 2lA4, is a good neuronal marker. All peripheral neurons appear to contain this antigen because (7 ) in all of the tissues that we have examined, including the antennae, eyes, halteres, and body wall muscles, MAb 21 A4 stains all known sensory neur ...
... nervous system (Jan and Jan, 1981). One of the MAbs, 2lA4, is a good neuronal marker. All peripheral neurons appear to contain this antigen because (7 ) in all of the tissues that we have examined, including the antennae, eyes, halteres, and body wall muscles, MAb 21 A4 stains all known sensory neur ...
Research in Mammalian Mastication1
... movement patterns. The level B interneurons act as the pathway by which the distinct motor programs are provided to the program selector while the level A interneurons provide feedback to the motor programmer (Fig. 1). The oscillator/timer serves much like an "idle" or "internal drive" as defined by ...
... movement patterns. The level B interneurons act as the pathway by which the distinct motor programs are provided to the program selector while the level A interneurons provide feedback to the motor programmer (Fig. 1). The oscillator/timer serves much like an "idle" or "internal drive" as defined by ...
Relationship of Activity in the Subthalamic Nucleus–Globus Pallidus
... Essex, UK). This protocol was used to perform single or double recordings of neurons. Spikes were often several millivolts in amplitude and always exhibited a biphasic waveform with an initial positive deflection. Recordings of spontaneous activity typically lasted for 4 –25 min. The EEG was recorde ...
... Essex, UK). This protocol was used to perform single or double recordings of neurons. Spikes were often several millivolts in amplitude and always exhibited a biphasic waveform with an initial positive deflection. Recordings of spontaneous activity typically lasted for 4 –25 min. The EEG was recorde ...