ATLAS OF FUNCTIONAL NEUROANATOMY
... University with an honors program in psychology. His first experimental work was with rats that had lesions of the hippocampus, which was then a little-known area of the brain. At that time, Professor Donald Hebb was the chair of the Psychology Department and was gaining prominence for his theory kn ...
... University with an honors program in psychology. His first experimental work was with rats that had lesions of the hippocampus, which was then a little-known area of the brain. At that time, Professor Donald Hebb was the chair of the Psychology Department and was gaining prominence for his theory kn ...
concentration-dependent effects of neostigmine on the endplate
... for each fiber as high as possible without ringing. Membrane voltage was well controlled, and for each recorded MEPC the voltage transient was simultaneously measured. At the peak of the MEPC, this transient was (0.1% of the net driving force (V - Vr), where V is the membrane potential and Vr is the ...
... for each fiber as high as possible without ringing. Membrane voltage was well controlled, and for each recorded MEPC the voltage transient was simultaneously measured. At the peak of the MEPC, this transient was (0.1% of the net driving force (V - Vr), where V is the membrane potential and Vr is the ...
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... relatively low threshold for tactile stimuli. These cells are exteroceptors in that they are activated when an object touches the biting surface of the food-grasping organ in Aplysia, the radula (Miller et al., 1994; Rosen et al., 2000b). [Similar mechanoafferents have been described in other mollus ...
... relatively low threshold for tactile stimuli. These cells are exteroceptors in that they are activated when an object touches the biting surface of the food-grasping organ in Aplysia, the radula (Miller et al., 1994; Rosen et al., 2000b). [Similar mechanoafferents have been described in other mollus ...
INVESTIGATING THE SOPHISTICATION OF LONG-LATENCY UPPER LIMB
... voluntary motor behaviour involves the sophisticated manipulation of sensory feedback. Although this theory can explain how people move in the world, it does not specifically describe how this control process is implemented by the nervous system. In this thesis, we propose and explore one physiologi ...
... voluntary motor behaviour involves the sophisticated manipulation of sensory feedback. Although this theory can explain how people move in the world, it does not specifically describe how this control process is implemented by the nervous system. In this thesis, we propose and explore one physiologi ...
Effects of Residual Inhibition Phenomenon on Early Auditory Evoked
... phenomenon, are similar to (or overlap with) those that cause generation of tinnitus (Roberts, 2007). By accepting aforesaid hypothesis, understanding neural mechanisms involved in RI can create a new horizon to understand the essential mechanisms in tinnitus. Feldman (1971) in his classic studies o ...
... phenomenon, are similar to (or overlap with) those that cause generation of tinnitus (Roberts, 2007). By accepting aforesaid hypothesis, understanding neural mechanisms involved in RI can create a new horizon to understand the essential mechanisms in tinnitus. Feldman (1971) in his classic studies o ...
Abstract of “Primate frontal eye fields mediate spatial attention in
... functionally different types of neurons have been identified in FEF. Movement neurons begin to fire approximately 50ms before the initiation of a saccadic eye movement (Bruce and Goldberg, 1985; Thompson et al., 1996). These neurons are thought to influence eye movements through projections to the s ...
... functionally different types of neurons have been identified in FEF. Movement neurons begin to fire approximately 50ms before the initiation of a saccadic eye movement (Bruce and Goldberg, 1985; Thompson et al., 1996). These neurons are thought to influence eye movements through projections to the s ...
1 OSCILLATORY ENTRAINMENT OF THALAMIC NEURONS BY
... diameter electrode (100µm) in the guide cannula. The intracranial length of all electrodes was ...
... diameter electrode (100µm) in the guide cannula. The intracranial length of all electrodes was ...
Time Course and Time–Distance Relationships for Surround
... Iso-orientation surround suppression is a powerful form of visual contextual modulation in which a stimulus of the preferred orientation of a neuron placed outside the classical receptive field (CRF) of the neuron suppresses the response to stimuli within the CRF. This suppression is most often attr ...
... Iso-orientation surround suppression is a powerful form of visual contextual modulation in which a stimulus of the preferred orientation of a neuron placed outside the classical receptive field (CRF) of the neuron suppresses the response to stimuli within the CRF. This suppression is most often attr ...
MOLECULAR MECHANISMS OF SYNAPTIC PLASTICITY IN ADULT MAMMALIAN SENSORY CORTEX
... Experience-dependent changes in synaptic composition and function (synaptic plasticity) underlie many brain functions including learning and memory, formation of sensory maps, as well as the capability to recover from injury. Most of these functions decline with age, supporting the observation that ...
... Experience-dependent changes in synaptic composition and function (synaptic plasticity) underlie many brain functions including learning and memory, formation of sensory maps, as well as the capability to recover from injury. Most of these functions decline with age, supporting the observation that ...
THE ELECTRODE-TISSUE INTERFACE DURING RECORDING
... – specific membrane capacitance (1 µF / cm2) ...
... – specific membrane capacitance (1 µF / cm2) ...
Stereoscopic Processing of Absolute and Relative Disparity in
... neural adaptation to assess selectivity for absolute and relative disparity. This method has previously been used to identify visual areas selective for objects (Grill-Spector et al. 1999), motion (Huk and Heeger 2002; Huk et al. 2001), color (Engel and Furmanski 2001), and shape (Kourtzi and Kanwis ...
... neural adaptation to assess selectivity for absolute and relative disparity. This method has previously been used to identify visual areas selective for objects (Grill-Spector et al. 1999), motion (Huk and Heeger 2002; Huk et al. 2001), color (Engel and Furmanski 2001), and shape (Kourtzi and Kanwis ...
Stimulus Configuration, Classical Conditioning, and
... al. (1983) found that the activity of CA1 and CAS pyramidal cells is positively correlated with the topography of the CR. Because one important hippocampal output is mediated through CAS axons that reach the lateral septum, it is not surprising that Berger and Thompson (1978b) and Salvatierra and Be ...
... al. (1983) found that the activity of CA1 and CAS pyramidal cells is positively correlated with the topography of the CR. Because one important hippocampal output is mediated through CAS axons that reach the lateral septum, it is not surprising that Berger and Thompson (1978b) and Salvatierra and Be ...
The Reorganization of Primary Auditory Cortex by Invasion of
... maps were disrupted in the experimental animals. Because lateral inhibition is proposed to contribute to refinement of sensory maps and tuning of receptive fields, I tested whether loss of inhibition is responsible for the compromised auditory function in my experimental animals. I found an increase ...
... maps were disrupted in the experimental animals. Because lateral inhibition is proposed to contribute to refinement of sensory maps and tuning of receptive fields, I tested whether loss of inhibition is responsible for the compromised auditory function in my experimental animals. I found an increase ...
Receptive Fields and Binaural Interactions for Virtual
... al. 1983; see Irvine 1992 for review). However, free-field studies alone cannot determine which acoustic cues are responsible for this directional sensitivity because they do not allow independent control over each cue. Such control can be achieved in dichotic studies that deliver stimuli through cl ...
... al. 1983; see Irvine 1992 for review). However, free-field studies alone cannot determine which acoustic cues are responsible for this directional sensitivity because they do not allow independent control over each cue. Such control can be achieved in dichotic studies that deliver stimuli through cl ...
Selective attention through selective neuronal synchronization
... stream during task performance. In typical paradigms of selective attention, the sensory input is kept identical across trials with variations only in covert attention to different aspects of that input. In such tasks, neuronal responses are modulated with rapid temporal dynamics and high spatial se ...
... stream during task performance. In typical paradigms of selective attention, the sensory input is kept identical across trials with variations only in covert attention to different aspects of that input. In such tasks, neuronal responses are modulated with rapid temporal dynamics and high spatial se ...
Spinal Cord - Fullfrontalanatomy.com
... • Reticulospinal tracts – originates at reticular formation of brain; maintain balance • Rubrospinal tracts – originate in ‘red nucleus’ of midbrain; control flexor muscles • Tectospinal tracts - originate in superior colliculi and mediate head and eye movements towards visual targets (flash of ligh ...
... • Reticulospinal tracts – originates at reticular formation of brain; maintain balance • Rubrospinal tracts – originate in ‘red nucleus’ of midbrain; control flexor muscles • Tectospinal tracts - originate in superior colliculi and mediate head and eye movements towards visual targets (flash of ligh ...
Expression of pituitary adenylate cyclase activating
... play a role in cervical function, such as cervical ripening. PACAP has been identifi in nerves in the female genital tract [7,8,9], autonomic neurons of the paracervical ganglia [8] and sensory neurons of the dorsal root ganglia [6,11,25] and dorsal horn of the spinal cord [6,13,18,25,40]. PACAP, fi ...
... play a role in cervical function, such as cervical ripening. PACAP has been identifi in nerves in the female genital tract [7,8,9], autonomic neurons of the paracervical ganglia [8] and sensory neurons of the dorsal root ganglia [6,11,25] and dorsal horn of the spinal cord [6,13,18,25,40]. PACAP, fi ...
Biophysics of Extracellular Action Potentials
... The goal of this thesis is to analyze the generation of single unit extracellular action potentials (EAPs), and to explore pertinent issues in the interpretation of EAP recordings. I use the line source approximation to model the EAP produced by individual neurons. I compare simultaneous intracellul ...
... The goal of this thesis is to analyze the generation of single unit extracellular action potentials (EAPs), and to explore pertinent issues in the interpretation of EAP recordings. I use the line source approximation to model the EAP produced by individual neurons. I compare simultaneous intracellul ...
Possible cues driving context-specific adaptation of optocollic reflex
... a previous study (Gioanni and Sansonetti 1999). For body vibration, pigeons were placed in the “resting condition” and submitted to a vibratory stimulation over 20 –30 s once the optokinetic stimulation had begun. In a second group of 10 animals, the OCR was additionally recorded during head vibrati ...
... a previous study (Gioanni and Sansonetti 1999). For body vibration, pigeons were placed in the “resting condition” and submitted to a vibratory stimulation over 20 –30 s once the optokinetic stimulation had begun. In a second group of 10 animals, the OCR was additionally recorded during head vibrati ...
The role of the cerebellum in classical conditioning of
... (US). Most of the data that have been collected over the years are from studies of eyeblink conditioning; hence we focus on that response system here. To the extent tested, the cerebellum is involved in the same way for all striated muscle responses learned to deal with an aversive US (e.g. forelimb ...
... (US). Most of the data that have been collected over the years are from studies of eyeblink conditioning; hence we focus on that response system here. To the extent tested, the cerebellum is involved in the same way for all striated muscle responses learned to deal with an aversive US (e.g. forelimb ...
The central nervous system.
... As in all vertebrates, the only primary sensory receptor cells in teleosts are located in the olfactory mucosa, i.e., the axons of these cells represent the primary olfactory projections (fila olfactoria, olfactory nerve) and reach the glomerular layer of the olfactory bulbs.172 The number of glomer ...
... As in all vertebrates, the only primary sensory receptor cells in teleosts are located in the olfactory mucosa, i.e., the axons of these cells represent the primary olfactory projections (fila olfactoria, olfactory nerve) and reach the glomerular layer of the olfactory bulbs.172 The number of glomer ...
Imaging Auditory Representations of Song and Syllables in
... was visualized under 2p imaging. Different HVC cell types were identified based on the presence of retrograde labeling and/or their intrinsic electrophysiological properties for in vitro and in vivo experiments and, for in vivo experiments, by their song-evoked electrophysiological properties (Dutar ...
... was visualized under 2p imaging. Different HVC cell types were identified based on the presence of retrograde labeling and/or their intrinsic electrophysiological properties for in vitro and in vivo experiments and, for in vivo experiments, by their song-evoked electrophysiological properties (Dutar ...
Early Sensory Pathways for Detection of Fearful Conditioned Stimuli
... and somatosensory. The auditory CS (ACS) consisted of an 8 kHz, 82 dB tone. The somatosensory or whisker CS (WCS) consisted of a 10 Hz low-intensity (0.25– 0.6 mA; 1-ms duration) train delivered through two wires implanted under the skin of the whisker pad (Castro-Alamancos, 2004a). The stimulus was ...
... and somatosensory. The auditory CS (ACS) consisted of an 8 kHz, 82 dB tone. The somatosensory or whisker CS (WCS) consisted of a 10 Hz low-intensity (0.25– 0.6 mA; 1-ms duration) train delivered through two wires implanted under the skin of the whisker pad (Castro-Alamancos, 2004a). The stimulus was ...
Rules Ventral Prefrontal Cortical Axons Use to Reach Their Targets
... travel in different WM tracts, the specifics of which depend on the location of the injection site (Figs. 1, 2a, 3a). Axons from all vPFC areas travel in the UF, corpus callosum, cingulum bundle, superior longitudinal fasciculus, IC, EC, and EmC. In addition, fibers from specific vPFC regions also t ...
... travel in different WM tracts, the specifics of which depend on the location of the injection site (Figs. 1, 2a, 3a). Axons from all vPFC areas travel in the UF, corpus callosum, cingulum bundle, superior longitudinal fasciculus, IC, EC, and EmC. In addition, fibers from specific vPFC regions also t ...