Properties of spike train spectra in two parietal reach areas
... that was spatially tuned. Many single cell PRR spectra exhibited spatially tuned temporal structure, as evidenced by a significant and spatially tuned peak in the 20–50 Hz band. The PRR population spectrum of spike trains was also tuned, with the peak power centered on approximately 25 Hz. In contra ...
... that was spatially tuned. Many single cell PRR spectra exhibited spatially tuned temporal structure, as evidenced by a significant and spatially tuned peak in the 20–50 Hz band. The PRR population spectrum of spike trains was also tuned, with the peak power centered on approximately 25 Hz. In contra ...
3680Lecture27
... a peripheral target in two different conditions: – target alone – accompanied by distractor ...
... a peripheral target in two different conditions: – target alone – accompanied by distractor ...
Are We Paying Attention Yet?
... Oculomotor signals have been measured in many areas of the macaque brain (FEF, dorsolateral prefrontal cortex, caudate and superficial layers of superior colliculus, etc.) The neural response to visual stimuli is enhanced when the stimulus is the target of a saccadic eye movement Neurons in area LIP ...
... Oculomotor signals have been measured in many areas of the macaque brain (FEF, dorsolateral prefrontal cortex, caudate and superficial layers of superior colliculus, etc.) The neural response to visual stimuli is enhanced when the stimulus is the target of a saccadic eye movement Neurons in area LIP ...
Neurobiology
... can coordinate peristalsis in intestinal tract that has been removed from the body ...
... can coordinate peristalsis in intestinal tract that has been removed from the body ...
Visual signals in the dorsolateral pontine nucleus of the alert
... velocity (open arrows) and decreases in the discharge ...
... velocity (open arrows) and decreases in the discharge ...
Contributions of temporal-parietal junction to the human
... behavioral studies of these same temporal-parietal patients have shown reduced orienting to distracting stimuli 17. Other investigators have reported that patients with anterograde memory deficits due to posterior association cortex or limbic pathology have reduced P3s 19'31. These findings suggest ...
... behavioral studies of these same temporal-parietal patients have shown reduced orienting to distracting stimuli 17. Other investigators have reported that patients with anterograde memory deficits due to posterior association cortex or limbic pathology have reduced P3s 19'31. These findings suggest ...
Neural Mechanisms for Binaural Interactions in the Superior Olivary
... • A consequence of the ipsilateral excitation and contralateral inhibition on LSO neurons is that they are highly sensitive to interaural level differences (ILD). • To a first approximation, the discharge rate of an LSO neuron depends primarily on ILD, regardless of overall level. Response is small ...
... • A consequence of the ipsilateral excitation and contralateral inhibition on LSO neurons is that they are highly sensitive to interaural level differences (ILD). • To a first approximation, the discharge rate of an LSO neuron depends primarily on ILD, regardless of overall level. Response is small ...
Competitive learning
... In the Kohonen network, a neuron learns by shifting its weights from inactive connections to active ones. Only the winning neuron and its neighbourhood are allowed to learn. If a neuron does not respond to a given input pattern, then learning cannot occur in that particular neuron. The competitive l ...
... In the Kohonen network, a neuron learns by shifting its weights from inactive connections to active ones. Only the winning neuron and its neighbourhood are allowed to learn. If a neuron does not respond to a given input pattern, then learning cannot occur in that particular neuron. The competitive l ...
APPLICATION OF AN EXPERT SYSTEM FOR ASSESSMENT OF
... In the Kohonen network, a neuron learns by shifting its weights from inactive connections to active ones. Only the winning neuron and its neighbourhood are allowed to learn. If a neuron does not respond to a given input pattern, then learning cannot occur in that particular neuron. The competitive l ...
... In the Kohonen network, a neuron learns by shifting its weights from inactive connections to active ones. Only the winning neuron and its neighbourhood are allowed to learn. If a neuron does not respond to a given input pattern, then learning cannot occur in that particular neuron. The competitive l ...
The amygdala, a part of the brain known for its role in fear, also
... Those clumps of cells, one on each side of the brain, are known as the amygdala (uh-MIG-duh-luh). For years the amygdala has been regarded primarily as the brain’s center for fear. Scores of studies have shown that it is essential both for perceiving fear and expressing it. In recent years, though, ...
... Those clumps of cells, one on each side of the brain, are known as the amygdala (uh-MIG-duh-luh). For years the amygdala has been regarded primarily as the brain’s center for fear. Scores of studies have shown that it is essential both for perceiving fear and expressing it. In recent years, though, ...
Anterograde Tracing of Trigeminal Afferent Pathways
... (Fig. 1). No labeledcells were seenin the contralateral ganglia. Virus was also detected in the ipsilateral sensory root of the trigeminal nerve. In the brainstem,virus was detected ipsilaterally in structurespreviously shown to receive input from the tooth pulp. The majority of the labeling was det ...
... (Fig. 1). No labeledcells were seenin the contralateral ganglia. Virus was also detected in the ipsilateral sensory root of the trigeminal nerve. In the brainstem,virus was detected ipsilaterally in structurespreviously shown to receive input from the tooth pulp. The majority of the labeling was det ...
What's a cerebellar circuit doing in the auditory system?
... from the cochlea to smooth dendrites in the deep layer of the DCN [7]. Parallel fibers, the unmyelinated axons of granule cells, contact spines on dendrites of fusiform, giant and cartwheel cells in the superficial layer of the DCN [8]. Granule cells convey information they receive from widespread a ...
... from the cochlea to smooth dendrites in the deep layer of the DCN [7]. Parallel fibers, the unmyelinated axons of granule cells, contact spines on dendrites of fusiform, giant and cartwheel cells in the superficial layer of the DCN [8]. Granule cells convey information they receive from widespread a ...
Single-Neuron Responses in Humans during Execution and
... temporal lobe (MTL). Connections such as the uncinate fasciculus and other cortico-cortical white matter tracts between the MTL and motor regions in the frontal lobe exist [27–31]. Although there is some evidence for responses in the hippocampus during voluntary actions [32], unlike SMA, lesions in ...
... temporal lobe (MTL). Connections such as the uncinate fasciculus and other cortico-cortical white matter tracts between the MTL and motor regions in the frontal lobe exist [27–31]. Although there is some evidence for responses in the hippocampus during voluntary actions [32], unlike SMA, lesions in ...
physiological plasticity in auditory cortex: rapid induction by learning
... peripheral manipulations, and (d) learning and memory. The first three examples have often been combined. For example, sensory deprivation is routinely used to study plastic characteristics of the developing visual system. Since the term "plasticity" has been introduced into neurobiology at several ...
... peripheral manipulations, and (d) learning and memory. The first three examples have often been combined. For example, sensory deprivation is routinely used to study plastic characteristics of the developing visual system. Since the term "plasticity" has been introduced into neurobiology at several ...
Edward Jones
... which teachers of mathematics direct their teaching. In a math examination, I always seemed to spend my time trying to decipher the written sense of a question rather than jumping intuitively, as my school fellows did, to the requisite formula for working it out. The decision to go to University cam ...
... which teachers of mathematics direct their teaching. In a math examination, I always seemed to spend my time trying to decipher the written sense of a question rather than jumping intuitively, as my school fellows did, to the requisite formula for working it out. The decision to go to University cam ...
Neuroimaging Studies of Memory. In Encyclopedia of the
... most compelling evidence that procedural knowledge is different from declarative knowledge is that patients with damage to their hippocampi and surrounding medial temporal lobes can learn new procedural skills, even though they cannot encode where they learned the skill or remember any details of ha ...
... most compelling evidence that procedural knowledge is different from declarative knowledge is that patients with damage to their hippocampi and surrounding medial temporal lobes can learn new procedural skills, even though they cannot encode where they learned the skill or remember any details of ha ...
Chapter 6 — Gross Anatomy of the Brain
... central sulcus. The region of the frontal lobe located anterior to the precentral sulcus is subdivided into the superior, middle, and inferior frontal gyri. This subdivision is due to the presence, though inconsistent, of two longitudinally disposed sulci, the superior and inferior frontal sulci. Th ...
... central sulcus. The region of the frontal lobe located anterior to the precentral sulcus is subdivided into the superior, middle, and inferior frontal gyri. This subdivision is due to the presence, though inconsistent, of two longitudinally disposed sulci, the superior and inferior frontal sulci. Th ...
Modeling Neural Mechanisms of Cognitive-Affective Interaction Abninder Litt () Chris Eliasmith ()
... studied almost exclusively at the behavioral level. In brief, we describe a modulation of reward valuation by emotional arousal, influenced by stimulus saliency. This modulated signal feeds into interacting opponent systems for determining positive and negative errors in reward prediction. The conso ...
... studied almost exclusively at the behavioral level. In brief, we describe a modulation of reward valuation by emotional arousal, influenced by stimulus saliency. This modulated signal feeds into interacting opponent systems for determining positive and negative errors in reward prediction. The conso ...
Natural reward-related learning in rats with neonatal ventral
... In exploring these hypotheses, we studied rats with neonatal ventral hippocampal lesions (NVHL) in a natural reward learning protocol 1 week after exposure to a 5-day regimen of cocaine (COC) injections. NVHL rats have been studied by several groups as a comprehensive animal model of schizophrenia. ...
... In exploring these hypotheses, we studied rats with neonatal ventral hippocampal lesions (NVHL) in a natural reward learning protocol 1 week after exposure to a 5-day regimen of cocaine (COC) injections. NVHL rats have been studied by several groups as a comprehensive animal model of schizophrenia. ...
3680Lecture29 - U of L Class Index
... a peripheral target in two different conditions: – target alone – accompanied by distractor ...
... a peripheral target in two different conditions: – target alone – accompanied by distractor ...
Brainstem Afferents of the Cholinoceptive Pontine Wave Generation
... Immunohistochemical studies have shown that the majority of cells in the PPT, LDT, and CnF of rats are cholinergic, suggesting that the P-wave generation site may receive cholinergic inputs (Mesulam et al., 1983; Rye et al., 1987). Besides cholinergic inputs, the P-wave generation site also receives ...
... Immunohistochemical studies have shown that the majority of cells in the PPT, LDT, and CnF of rats are cholinergic, suggesting that the P-wave generation site may receive cholinergic inputs (Mesulam et al., 1983; Rye et al., 1987). Besides cholinergic inputs, the P-wave generation site also receives ...
The Neurobiology of EMDR: Exploring the
... bilateral. The two almond-shaped thalami are comprised of about 50 groupings of nerve cells, neural tissue, and fibers called nuclei. With the exception of olfaction (smell), which is projected first to the amygdala, all external sensory input is projected first to the thalamus. In addition, the tha ...
... bilateral. The two almond-shaped thalami are comprised of about 50 groupings of nerve cells, neural tissue, and fibers called nuclei. With the exception of olfaction (smell), which is projected first to the amygdala, all external sensory input is projected first to the thalamus. In addition, the tha ...
Optical recording of electrical activity in intact neuronal networks
... neuroscience is how simple processes in neurons can generate cognitive functions and form complex memories like those experienced by humans and animals. In principle, if one were able to record from all the neurons in a network involved in a given behavior, it would be possible to reconstruct the r ...
... neuroscience is how simple processes in neurons can generate cognitive functions and form complex memories like those experienced by humans and animals. In principle, if one were able to record from all the neurons in a network involved in a given behavior, it would be possible to reconstruct the r ...
GustOlf9
... B. 1° olfactory neurons in nasal mucosa (olfactory mucosa) in superior nasal concha contains bipolar neurons which are chemosensitive small fasciculus cribiform plate of ethmoid bone olfactory nerve) -Note risk of anosmia with head trauma (shearing of these fibres. Receptor cells have olfactor ...
... B. 1° olfactory neurons in nasal mucosa (olfactory mucosa) in superior nasal concha contains bipolar neurons which are chemosensitive small fasciculus cribiform plate of ethmoid bone olfactory nerve) -Note risk of anosmia with head trauma (shearing of these fibres. Receptor cells have olfactor ...