computational and in vitro studies of persistent activity
... findings: a first general overview of persistent activity models was made by Durstewitz et al. (2000b); the attractor formalism of object working memory is reviewed by Brunel (2003); reverberating synaptic mechanisms are reviewed by Wang (2001); inhibition mechanisms are reviewed by Amit and Mongill ...
... findings: a first general overview of persistent activity models was made by Durstewitz et al. (2000b); the attractor formalism of object working memory is reviewed by Brunel (2003); reverberating synaptic mechanisms are reviewed by Wang (2001); inhibition mechanisms are reviewed by Amit and Mongill ...
The Neuropsychology of Sigmund Freud
... connections with other neurons, i.e., several contact barriers. He details explicitly the conditions under which transmission of excitation takes place and under what conditions it does not take place. (For these, see below, under Functional Localization.) Thus he shows that the possibility exists f ...
... connections with other neurons, i.e., several contact barriers. He details explicitly the conditions under which transmission of excitation takes place and under what conditions it does not take place. (For these, see below, under Functional Localization.) Thus he shows that the possibility exists f ...
Constructivist Framework for Understanding Pain
... neurophysiological pain research, however, has determined that nociceptive traffic reaches the hypothalamus and the reticular formation as well as the somatosensory cortex (Burstein, Cliffer and Giesler, 1988; Burstein et al., 1991; Willis and Westlund, 1997). A substantial body of research on pain ...
... neurophysiological pain research, however, has determined that nociceptive traffic reaches the hypothalamus and the reticular formation as well as the somatosensory cortex (Burstein, Cliffer and Giesler, 1988; Burstein et al., 1991; Willis and Westlund, 1997). A substantial body of research on pain ...
Chapter 28: Nervous
... Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings ...
... Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings ...
The Emergence of Selective Attention through - laral
... The obtained results demonstrate for the first time, to our knowledge, that selective attention can emerge in a neural network model as a result of the regularities present in the training data. It does not necessarily depend on the mutual inhibitory connections between representation of alternative ...
... The obtained results demonstrate for the first time, to our knowledge, that selective attention can emerge in a neural network model as a result of the regularities present in the training data. It does not necessarily depend on the mutual inhibitory connections between representation of alternative ...
Fatty acid amide hydrolase expression in rat choroid plexus
... With both FAAH antibodies tested, FAAH immunoreactivity was localised in the somata of identi®ed neurons in several regions of the brain including cerebellar Purkinje cells, hippocampal pyramidal cells, neocortical pyramidal cells and mitral cells of the olfactory bulbs, as reported previously [6,12 ...
... With both FAAH antibodies tested, FAAH immunoreactivity was localised in the somata of identi®ed neurons in several regions of the brain including cerebellar Purkinje cells, hippocampal pyramidal cells, neocortical pyramidal cells and mitral cells of the olfactory bulbs, as reported previously [6,12 ...
Neuronal Calcium Signaling Review
... 1997; Hernández-Cruz et al., 1997). Loading of the endoplasmic reticulum plays a crucial role in determining just how much of the internal store will contribute Ca21 to the amplification process. As Ca21 enters across the plasma membrane, it is likely to activate those RYRs or InsP 3Rs located near ...
... 1997; Hernández-Cruz et al., 1997). Loading of the endoplasmic reticulum plays a crucial role in determining just how much of the internal store will contribute Ca21 to the amplification process. As Ca21 enters across the plasma membrane, it is likely to activate those RYRs or InsP 3Rs located near ...
PDF - Journal of Neuroscience
... Steering demands rapid responses to heading deviations and uses optic flow to redirect self-movement toward the intended destination. We trained monkeys in a naturalistic steering paradigm and recorded dorsal medial superior temporal area (MSTd) cortical neuronal responses to the visual motion and s ...
... Steering demands rapid responses to heading deviations and uses optic flow to redirect self-movement toward the intended destination. We trained monkeys in a naturalistic steering paradigm and recorded dorsal medial superior temporal area (MSTd) cortical neuronal responses to the visual motion and s ...
Comparative molecular neuroanatomy of mammalian neocortex
... cortical inputs and layers 2/3 project to other cortical areas. Although this is a very simplified view with many exceptions, there appears to exist a canonical cortical circuit that can adapt to a range of information processing (Douglas and Martin 2004; Bannister 2005). The current evidence indica ...
... cortical inputs and layers 2/3 project to other cortical areas. Although this is a very simplified view with many exceptions, there appears to exist a canonical cortical circuit that can adapt to a range of information processing (Douglas and Martin 2004; Bannister 2005). The current evidence indica ...
the premotor cortex of the monkey
... (Macaca mulatta), 7 and 9 kg, were used in the present experiments. Although the motor tasks for the two monkeys were somewhat different, the basic behavioral patterns were comparable. The description of methods and results will focus on one of these animals. However, all of the conclusions and obse ...
... (Macaca mulatta), 7 and 9 kg, were used in the present experiments. Although the motor tasks for the two monkeys were somewhat different, the basic behavioral patterns were comparable. The description of methods and results will focus on one of these animals. However, all of the conclusions and obse ...
as a PDF
... regions (Fig. 1) known to contain preganglionic parasympathetic neurons in experimental animals. Medium-sized neurons were located in a region bordered by the spinal trigeminal nucleus laterally, the facial nucleus medially and the medial vestibular nucleus dorsally. Rostrally, these neurons were sc ...
... regions (Fig. 1) known to contain preganglionic parasympathetic neurons in experimental animals. Medium-sized neurons were located in a region bordered by the spinal trigeminal nucleus laterally, the facial nucleus medially and the medial vestibular nucleus dorsally. Rostrally, these neurons were sc ...
Arterial Blood Supply to the Auditory Cortex of the Chinchilla
... identi ed by optical imaging corresponds to the electrophysiologically de ned AI in the chinchilla (8). Single-unit recordings from the area have short onset latency responses that are characteristic of primary auditory neurons (7). As a rule of thumb we can say that the AI is situated 2 – 3 mm po ...
... identi ed by optical imaging corresponds to the electrophysiologically de ned AI in the chinchilla (8). Single-unit recordings from the area have short onset latency responses that are characteristic of primary auditory neurons (7). As a rule of thumb we can say that the AI is situated 2 – 3 mm po ...
Limitations of Neural Map Topography for Decoding Spatial
... leave-one-out strategy, in which a single population response vector was decoded using the statistics calculated on the basis of all presentations other than the test vector. Decoding performance was defined as the proportion of the responses tested and classified correctly out of the total number o ...
... leave-one-out strategy, in which a single population response vector was decoded using the statistics calculated on the basis of all presentations other than the test vector. Decoding performance was defined as the proportion of the responses tested and classified correctly out of the total number o ...
The Role of Ventromedial Prefrontal Cortex in Decision Making
... continuing until they had indicated their preference between all possible pairs of the 8 food items in the set. Overall completion time for the food and color categories was measured by means of a stopwatch. Each participant chose from the same foods and colors, but compared different sets of people ...
... continuing until they had indicated their preference between all possible pairs of the 8 food items in the set. Overall completion time for the food and color categories was measured by means of a stopwatch. Each participant chose from the same foods and colors, but compared different sets of people ...
Muscle networks: Connectivity analysis of EMG activity during postural control
... neuronal networks and controlling the timing of neuronal firing1,2. Neuronal synchronization influences information flow through the central nervous system. Selective communication may be achieved through coherence of oscillatory firing rates between spatially disparate regions3. Although originally ...
... neuronal networks and controlling the timing of neuronal firing1,2. Neuronal synchronization influences information flow through the central nervous system. Selective communication may be achieved through coherence of oscillatory firing rates between spatially disparate regions3. Although originally ...
The Receptive Fields of Inferior Temporal Cortex Neurons in Natural
... Inferior temporal cortex neurons have generally been found to have large visual receptive fields that typically include the fovea and extend throughout much of the visual field. However, a problem of such a large receptive field is that it does not easily support object selection by subsequent proce ...
... Inferior temporal cortex neurons have generally been found to have large visual receptive fields that typically include the fovea and extend throughout much of the visual field. However, a problem of such a large receptive field is that it does not easily support object selection by subsequent proce ...
Effects of excess vitamin B6 intake on cerebral cortex neurons in rat
... University Animal Care Center. Since there is a difference in nerve conduction velocity between males and females [9] we only used healthy male albino rats; obtained from the animal care center of Medical Faculty of Akdeniz University. Animals were housed in groups, 4 rats per group, in stainless st ...
... University Animal Care Center. Since there is a difference in nerve conduction velocity between males and females [9] we only used healthy male albino rats; obtained from the animal care center of Medical Faculty of Akdeniz University. Animals were housed in groups, 4 rats per group, in stainless st ...
Motor pathway injury in patients with
... do not always have motor dysfunction and preterm children without neurological abnormalities may have periventricular leucomalacia. In addition, it is uncertain whether descending motor tract or overlying cortical injury is related to motor impairment. To investigate the relationship between motor p ...
... do not always have motor dysfunction and preterm children without neurological abnormalities may have periventricular leucomalacia. In addition, it is uncertain whether descending motor tract or overlying cortical injury is related to motor impairment. To investigate the relationship between motor p ...
Acquisition of Box Pushing by Direct-Vision
... Since the contents are empty, it is very light. The outer color is black, while the inner color is white. Since the box has a pipe-like shape, and the smaller sides are covered with no paper, the white inside is seen through the smaller sides. The neural network has three layers; the number of neuro ...
... Since the contents are empty, it is very light. The outer color is black, while the inner color is white. Since the box has a pipe-like shape, and the smaller sides are covered with no paper, the white inside is seen through the smaller sides. The neural network has three layers; the number of neuro ...
Continuous attractor network models of grid cell firing based on
... that approximate real neurons (Fig. 1). We will argue that this class of models is particularly useful as they can be constrained by experimentally measured synaptic connectivity and oscillatory network activity, as well as by action potential firing during spatial behaviours. They therefore generat ...
... that approximate real neurons (Fig. 1). We will argue that this class of models is particularly useful as they can be constrained by experimentally measured synaptic connectivity and oscillatory network activity, as well as by action potential firing during spatial behaviours. They therefore generat ...
Sodium channel expression in the ventral posterolateral nucleus of
... ing of the skin, and pinching of the skin. Our new data also document the abnormal expression of the Nav1.3 voltage-gated sodium channel transcripts in the VPL during this time of neuronal hyperresponsiveness and reduced nociceptive thresholds. We observed no changes in the expression of neuronal so ...
... ing of the skin, and pinching of the skin. Our new data also document the abnormal expression of the Nav1.3 voltage-gated sodium channel transcripts in the VPL during this time of neuronal hyperresponsiveness and reduced nociceptive thresholds. We observed no changes in the expression of neuronal so ...
A multi-level account of selective attention
... The modulation of neural responses by spatially selective attention was originally demonstrated in the extrastriate cortex. In a seminal study, Moran and Desimone (Moran and Desimone 1985) recorded the activity of neurons in area V4 from monkeys trained to direct attention to a spatial location with ...
... The modulation of neural responses by spatially selective attention was originally demonstrated in the extrastriate cortex. In a seminal study, Moran and Desimone (Moran and Desimone 1985) recorded the activity of neurons in area V4 from monkeys trained to direct attention to a spatial location with ...
Pontine Gustatory Activity Is Altered by Electrical Stimulation in the
... a window discriminator in conjunction with waveform matching. The analog signal is digitized at 20,000 Hz and templates formed during an initial sampling period (60 s). Subsequently, the matching algorithm is engaged only if the digitized voltage levels reach a prespecified value. Spikes are then in ...
... a window discriminator in conjunction with waveform matching. The analog signal is digitized at 20,000 Hz and templates formed during an initial sampling period (60 s). Subsequently, the matching algorithm is engaged only if the digitized voltage levels reach a prespecified value. Spikes are then in ...
