Passive Properties of Swimmeret Motor Neurons
... two largest axons belong to the nonspiking stretch-receptor neurons (NSSRs) (Heitler 1982; McDonald 1981). Thus most of the motor neuron axons are probably in the middle of the observed range, between 2 and 25 mm diam. These values may underestimate the actual sizes because of shrinkage that occurs ...
... two largest axons belong to the nonspiking stretch-receptor neurons (NSSRs) (Heitler 1982; McDonald 1981). Thus most of the motor neuron axons are probably in the middle of the observed range, between 2 and 25 mm diam. These values may underestimate the actual sizes because of shrinkage that occurs ...
Changes in Intracellular pH Associated with Glutamate Excitotoxicity
... to harmaline autofluorescence. Calibration values were not changed by the addition of DIDS. To prevent both bleaching of the dye and phototoxic damage to the neurons, measurements were made intermittently at intervals greater than or equal to 60 sec. In addition, no attempt was made to calculate the ...
... to harmaline autofluorescence. Calibration values were not changed by the addition of DIDS. To prevent both bleaching of the dye and phototoxic damage to the neurons, measurements were made intermittently at intervals greater than or equal to 60 sec. In addition, no attempt was made to calculate the ...
What Is the Nervous System?
... • The nervous system consists of two major divisions—the central nervous system and the peripheral nervous system. • *The central nervous system is the control center of the body. It includes the brain and spinal cord. • *The peripheral nervous system includes all the other parts of the nervous syst ...
... • The nervous system consists of two major divisions—the central nervous system and the peripheral nervous system. • *The central nervous system is the control center of the body. It includes the brain and spinal cord. • *The peripheral nervous system includes all the other parts of the nervous syst ...
XVI. COMMUNICATIONS BIOPHYSICS W. Dr. Ursula
... obstacle to its interpretation as the result of a primary discharge. It is interesting to compare, for a given subject, the psychophysical threshold with the click intensity at which a physiological respon ...
... obstacle to its interpretation as the result of a primary discharge. It is interesting to compare, for a given subject, the psychophysical threshold with the click intensity at which a physiological respon ...
Synaptic plasticity: taming the beast
... plague purely Hebbian models would also occur with STDP, this is not the case. STDP can regulate both the rate and variability of postsynaptic firing24,25. For this to occur, synaptic strengths must be bounded between zero and a maximum allowed value, but no further global non-Hebbian mechanisms or ...
... plague purely Hebbian models would also occur with STDP, this is not the case. STDP can regulate both the rate and variability of postsynaptic firing24,25. For this to occur, synaptic strengths must be bounded between zero and a maximum allowed value, but no further global non-Hebbian mechanisms or ...
Developmental mechanics of the primate cerebral cortex
... plate with the sub-plate during development (Armstrong et al. 1995). However, these general factors do not explain the specific placement, orientation, and characteristic shape of convolutions. Thus, it has been suggested that convolutions could be formed individually by tailored growth processes (We ...
... plate with the sub-plate during development (Armstrong et al. 1995). However, these general factors do not explain the specific placement, orientation, and characteristic shape of convolutions. Thus, it has been suggested that convolutions could be formed individually by tailored growth processes (We ...
Corticofugal modulation of frequency processing in bat auditory
... Auditory signals are transmitted from the inner ear through the brainstem to the higher auditory regions of the brain. Neurons throughout the auditory system are tuned to stimulus frequency, and in many auditory regions are arranged in topographical maps with respect to their preferred frequency. Th ...
... Auditory signals are transmitted from the inner ear through the brainstem to the higher auditory regions of the brain. Neurons throughout the auditory system are tuned to stimulus frequency, and in many auditory regions are arranged in topographical maps with respect to their preferred frequency. Th ...
Physiology of functional and effective networks in epilepsy
... independence between spatially remote areas (Friston et al., 1993; Friston, 1994). As such it can be calculated from time series data as for example cellular activity, EEG, MEG or fMRI and is usually highly time dependent. Examples of functional connectivity measures used in neuroscience range widel ...
... independence between spatially remote areas (Friston et al., 1993; Friston, 1994). As such it can be calculated from time series data as for example cellular activity, EEG, MEG or fMRI and is usually highly time dependent. Examples of functional connectivity measures used in neuroscience range widel ...
Imitation, Empathy, and Mirror Neurons
... a fundamental mechanism linking sensory representations of the actions of others to motor plans. Furthermore, social psychology studies have documented the automaticity of imitation and mimicry in humans, a feature that also maps well onto some recently disclosed neurophysiological bases of imitatio ...
... a fundamental mechanism linking sensory representations of the actions of others to motor plans. Furthermore, social psychology studies have documented the automaticity of imitation and mimicry in humans, a feature that also maps well onto some recently disclosed neurophysiological bases of imitatio ...
Isodirectional Tuning of Adjacent Interneurons and Pyramidal Cells
... Dale, IL). The low impedance (100 –500 kV) of carbon-fiber electrodes gives them distinct advantages over those made with tungsten, including exceptionally low-noise (,5 mV pk-pk), improved ability to record multiple units, and increased sensitivity to smaller neurons (Armstrong-James and Millar 197 ...
... Dale, IL). The low impedance (100 –500 kV) of carbon-fiber electrodes gives them distinct advantages over those made with tungsten, including exceptionally low-noise (,5 mV pk-pk), improved ability to record multiple units, and increased sensitivity to smaller neurons (Armstrong-James and Millar 197 ...
Evolution of Time-Coding Systems in Weakly Electric Fishes
... A remarkable example of temporal coding of communication signals has been found in mormyrid pulse-type electric fishes where the duration of each EOD pulse carries information on the species and sex of the signaler. The duration of pulses is sampled by populations of electroreceptors on opposite sid ...
... A remarkable example of temporal coding of communication signals has been found in mormyrid pulse-type electric fishes where the duration of each EOD pulse carries information on the species and sex of the signaler. The duration of pulses is sampled by populations of electroreceptors on opposite sid ...
Table of Contents - The Mind Project
... PKD-like conditions in the rats, and later to take electrical and chemical readings of what is happening in and around dopamine neurons. Students are testing a well-known theory; they collect data, and then interpret that data to see if it supports their hypothesis. www.mind.ilstu.edu ...
... PKD-like conditions in the rats, and later to take electrical and chemical readings of what is happening in and around dopamine neurons. Students are testing a well-known theory; they collect data, and then interpret that data to see if it supports their hypothesis. www.mind.ilstu.edu ...
document990
... ratio of the background frequency to the frequency of the discharge during an activation was calculated. Differences in the distribution of these parameters were tested by the Kolmogorov Smirnov test. Activations were estimated during the different phases of the behaviour by relating increases of th ...
... ratio of the background frequency to the frequency of the discharge during an activation was calculated. Differences in the distribution of these parameters were tested by the Kolmogorov Smirnov test. Activations were estimated during the different phases of the behaviour by relating increases of th ...
1 OSCILLATORY ENTRAINMENT OF THALAMIC NEURONS BY
... rpointelectrode corresponds to the point on the electrode closest to the source, i.e. the edges of the ...
... rpointelectrode corresponds to the point on the electrode closest to the source, i.e. the edges of the ...
Imitation, Empathy, and Mirror Neurons
... a fundamental mechanism linking sensory representations of the actions of others to motor plans. Furthermore, social psychology studies have documented the automaticity of imitation and mimicry in humans, a feature that also maps well onto some recently disclosed neurophysiological bases of imitatio ...
... a fundamental mechanism linking sensory representations of the actions of others to motor plans. Furthermore, social psychology studies have documented the automaticity of imitation and mimicry in humans, a feature that also maps well onto some recently disclosed neurophysiological bases of imitatio ...
transgene expression using adenoviral vectors: impact of promoters
... UK (E-mail: [email protected]). ...
... UK (E-mail: [email protected]). ...
FREE Sample Here
... The dendrites project out from the cell bodies are the primary receivers of signals from other neurons. The axon is a tail-like extension of the neuron. It transmits signals to other neurons. At the ends of the axons are the axon terminals. Signals move from the axon terminals to the dendrites ...
... The dendrites project out from the cell bodies are the primary receivers of signals from other neurons. The axon is a tail-like extension of the neuron. It transmits signals to other neurons. At the ends of the axons are the axon terminals. Signals move from the axon terminals to the dendrites ...
Differential responses in three thalamic nuclei in moderately
... In the thalamus, there is a consensus that the ventral posterior nucleus (VPN) is both the major site of termination for nerve fibres forming the medial lemniscus/dorsal column pathway, spinothalamic tract and the trigeminal cranial nerve, and the origin of fibres to the primary somatic sensory area ...
... In the thalamus, there is a consensus that the ventral posterior nucleus (VPN) is both the major site of termination for nerve fibres forming the medial lemniscus/dorsal column pathway, spinothalamic tract and the trigeminal cranial nerve, and the origin of fibres to the primary somatic sensory area ...
Reward-Dependent Spatial Selectivity of Anticipatory Activity in
... a memory-guided saccade task, in which only one out of four directions was rewarded in each block of trials, we found that a group of neurons in the monkey caudate nucleus (CD) showed activity before presentation of an instruction cue stimulus. Among 329 CD neurons that were related to memory-guided ...
... a memory-guided saccade task, in which only one out of four directions was rewarded in each block of trials, we found that a group of neurons in the monkey caudate nucleus (CD) showed activity before presentation of an instruction cue stimulus. Among 329 CD neurons that were related to memory-guided ...
Parallel Evolution of Cortical Areas Involved in Skilled Hand Use
... CA) Photoshop and Illustrator software packages. ...
... CA) Photoshop and Illustrator software packages. ...
Nerve Regeneration in C. elegans after femtosecond laser axotomy
... in vivo, we have performed femtosecond laser nanosurgery using a homemade microscope with two-photon imaging capability [3]. We succeeded in rapidly cutting single axons inside C. elegans with pulse energies of 10–40 nJ at the specimen, using only 100 tightly focused 200-fs short (before optical set ...
... in vivo, we have performed femtosecond laser nanosurgery using a homemade microscope with two-photon imaging capability [3]. We succeeded in rapidly cutting single axons inside C. elegans with pulse energies of 10–40 nJ at the specimen, using only 100 tightly focused 200-fs short (before optical set ...
Imitation, Empathy, and Mirror Neurons
... a fundamental mechanism linking sensory representations of the actions of others to motor plans. Furthermore, social psychology studies have documented the automaticity of imitation and mimicry in humans, a feature that also maps well onto some recently disclosed neurophysiological bases of imitatio ...
... a fundamental mechanism linking sensory representations of the actions of others to motor plans. Furthermore, social psychology studies have documented the automaticity of imitation and mimicry in humans, a feature that also maps well onto some recently disclosed neurophysiological bases of imitatio ...
Poulet etal - Cornell University
... the same modality, which could elicit an inappropriate behavioural response. Thus, the discrimination between self-generated and external sensory stimuli is a fundamental problem in perception and a central question of sensory neuroscience. Philosophers and scientists over the centuries have propose ...
... the same modality, which could elicit an inappropriate behavioural response. Thus, the discrimination between self-generated and external sensory stimuli is a fundamental problem in perception and a central question of sensory neuroscience. Philosophers and scientists over the centuries have propose ...
Signal Propagation and Logic Gating in Networks of Integrate
... Volen Center for Complex Systems and Department of Biology, Brandeis University, Waltham, Massachusetts 02454-9110 ...
... Volen Center for Complex Systems and Department of Biology, Brandeis University, Waltham, Massachusetts 02454-9110 ...
Model of Cortical-Basal Ganglionic Processing: Encoding the Serial
... formed by neurons in area 46 of the PF that project in a reciprocal manner back to several thalamic nuclei including MD and VA (Jacobson et al. 1978; Siwek and Pandya 1991). It has been suggested that such a cortical-thalamic loop has the potential, given sufficient gain, for sustaining activations, ...
... formed by neurons in area 46 of the PF that project in a reciprocal manner back to several thalamic nuclei including MD and VA (Jacobson et al. 1978; Siwek and Pandya 1991). It has been suggested that such a cortical-thalamic loop has the potential, given sufficient gain, for sustaining activations, ...