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C-fos Expression in the Pons and Medulla of the Cat during
C-fos Expression in the Pons and Medulla of the Cat during

... clean and topical antibiotics were administered on a daily basis. Following a 5-7 d period, the cats were adapted to the recording apparatus; thereafter, they exhibited spontaneous periods of wakefulness, quiet sleep, and active sleep. Experimental paradigm. Following the adaptation period, the dura ...
Differential Temporal Storage Capacity in the Baseline Activity of
Differential Temporal Storage Capacity in the Baseline Activity of

... significant (Mann–Whitney U test, P ⬍ 0.01). The numbers above this line reflect the start and end times of the interval in which a significant difference persisted for ⬎100 ms. C: baseline activity during the selected 100-ms interval (800 –700 ms prior to array presentation) in each trial is shown ...
Use of an Amino-Cupric-Silver Technique for the Detection of Early
Use of an Amino-Cupric-Silver Technique for the Detection of Early

Morphology of Thalamocortical Neurons Projecting
Morphology of Thalamocortical Neurons Projecting

PDF
PDF

... 2.1. Houk, Adams, and Barto (1995) One of the first actor –critic models of the basal ganglia was presented by Houk et al. (1995). This model suggests that striosomal modules fulfill the main functions of the adaptive critic, whereas matrix modules function as an actor. Striosomal modules comprise o ...
Hypothalamic regulation of sleep and circadian rhythms
Hypothalamic regulation of sleep and circadian rhythms

Descending Systems Translate Transient Cortical Commands into a
Descending Systems Translate Transient Cortical Commands into a

... Controlling motor actions requires online adjustments of timevarying parameters. Although numerous studies have attempted to identify the parameters coded in different motor sites, the relationships between the temporal profile of neuronal responses and the dynamics of motor behavior remain poorly u ...
Differential effects of nicotine on the activity of substantia nigra and
Differential effects of nicotine on the activity of substantia nigra and

Pyramidal (Voluntary Motor) System
Pyramidal (Voluntary Motor) System

... Origin of Corticospinal Tract (body) ...
Scene perception: inferior temporal cortex neurons encode the
Scene perception: inferior temporal cortex neurons encode the

... possible effects of the salience of any particular stimulus would not bias the results. To this end, we used a set of 141 stimuli during the data collection for these experiments, and any individual stimulus was typically used in only one (63 stimuli) or two (53 stimuli) experiments. Part of the exp ...
A neural theory of speech acquisition and production
A neural theory of speech acquisition and production

... Guenther et al., 1998) defining a target speech sound. As described above, this learning is rapid and takes place along the pathways between the speech sound map and the auditory error map during the perception of sample speech sounds (Fig. 1). In order to commit a new neuron in the speech sound map ...
full text pdf
full text pdf

... nerve fibres were very abundant in the SO ganglionated plexus. Some of them expressed simultaneously immunoreactivity for SP, and many SP-positive only nerve terminals were also found within the ganglia and in nerve bundles closely associated with the SO muscle. These CGRP and/or SP-positive fibres ...
Neuronal Correlates of Sensorimotor Association in Stimulus
Neuronal Correlates of Sensorimotor Association in Stimulus

... readiness potential (i.e., a change in the evoked brain potential that develops over the motor cortex contralateral to the overt response), it was found that in trials in which the stimulus was flanked by incompatible noise, both responses were initially activated, with the incompatible response eve ...
Chemosensory pathways in the brainstem controlling
Chemosensory pathways in the brainstem controlling

... Cardiorespiratory activity is controlled by a network of neurons located within the lower brainstem. The basic rhythm of breathing is generated by neuronal circuits within the medullary pre-Bötzinger complex, modulated by pontine and other inputs from cell groups within the medulla oblongata and th ...
Synaptic Integration in Rat Frontal Cortex Shaped by Network Activity
Synaptic Integration in Rat Frontal Cortex Shaped by Network Activity

Switching from automatic to controlled behavior: cortico - lsr
Switching from automatic to controlled behavior: cortico - lsr

... cortex acts retroactively and the pre-supplementary motor area acts proactively to enable behavioral switching. The lateral prefrontal cortex reconfigures cognitive processes constituting the switched behavior. The subthalamic nucleus and the striatum in the basal ganglia mediate these cortical sign ...
The sympathetic control of blood pressure.
The sympathetic control of blood pressure.

... appropriate responses)11,12. How a set-point for BP might be encoded by the CNS and the nature of the error signals have yet to be established. The only well identified neural sensors that encode BP are the baroreceptors, but their contribution to the long-term regulation of BP has been repeatedly q ...
Fast Propagation of Firing Rates through Layered Networks of Noisy
Fast Propagation of Firing Rates through Layered Networks of Noisy

... mean, or bias, current raises the average membrane potential and makes the transmission of rate changes more rapid and more sensitive as on average neurons are brought closer to threshold. The SD, or noise component, of the current prevents synchronization by ensuring that each neuron is in a differ ...
Common Input to Motor Neurons Innervating the Same and Different
Common Input to Motor Neurons Innervating the Same and Different

... potentials for a motor unit was generated. The discharge times of one unit, termed the event unit, were plotted relative to the discharge times of a second unit, termed the reference unit, to generate a crosscorrelation histogram. Cross-correlation histograms had 1-ms bin widths and included periods ...
Tau pathology does not affect experience-driven single
Tau pathology does not affect experience-driven single

... little evidence that NFTs directly impact physiological properties of host neurons. Here we used a transgenic mouse model of tauopathy to study how advanced tau pathology in different brain regions affects activity-driven expression of immediate-early gene Arc required for experience-dependent conso ...
Sensory responses and movement-related activities in extrinsic
Sensory responses and movement-related activities in extrinsic

Cell Type-Specific, Presynaptic LTP of Inhibitory Synapses on Fast
Cell Type-Specific, Presynaptic LTP of Inhibitory Synapses on Fast

... In the present study we classified GABAergic interneurons into FS and non-FS types based on electrophysiological properties, as reported previously (Sarihi et al., 2008). In FS-GABA neurons, test electrical stimulation given to layer II/III at 0.05 Hz under blockade of AMPA and NMDA receptors elicit ...
Motor Cognition and Mental Simulation
Motor Cognition and Mental Simulation

... figuring out when and how high to lift your feet—relies on a sophisticated set of neural processes. Evolutionarily speaking, perception exists not just to recognize objects and events, but also (as noted in Chapter 2), to provide guidance and feedback for the many different movements that animals ma ...
Comprehensive imaging of cortical networks
Comprehensive imaging of cortical networks

... the two-photon excitation volume, such as spines and axons, but have more modest effects on images of larger structures [62]. Wave front engineering can also correct for strong local scattering with large improvements in signal level at depth [63]; however, these corrections have to be recomputed ...
Activity in the Lateral Prefrontal Cortex Reflects Multiple Steps of
Activity in the Lateral Prefrontal Cortex Reflects Multiple Steps of

... ning of multistep behaviors? More specifically, does the activity of PFC neurons during the process of planning reflect the multiple movements required during future actions or the individual future events that occur as a result of the actions? To answer this question, we examined neuronal activity ...
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Mirror neuron

A mirror neuron is a neuron that fires both when an animal acts and when the animal observes the same action performed by another. Thus, the neuron ""mirrors"" the behavior of the other, as though the observer were itself acting. Such neurons have been directly observed in primate species. Birds have been shown to have imitative resonance behaviors and neurological evidence suggests the presence of some form of mirroring system. In humans, brain activity consistent with that of mirror neurons has been found in the premotor cortex, the supplementary motor area, the primary somatosensory cortex and the inferior parietal cortex.The function of the mirror system is a subject of much speculation. Many researchers in cognitive neuroscience and cognitive psychology consider that this system provides the physiological mechanism for the perception/action coupling (see the common coding theory). They argue that mirror neurons may be important for understanding the actions of other people, and for learning new skills by imitation. Some researchers also speculate that mirror systems may simulate observed actions, and thus contribute to theory of mind skills, while others relate mirror neurons to language abilities. Neuroscientists such as Marco Iacoboni (UCLA) have argued that mirror neuron systems in the human brain help us understand the actions and intentions of other people. In a study published in March 2005 Iacoboni and his colleagues reported that mirror neurons could discern if another person who was picking up a cup of tea planned to drink from it or clear it from the table. In addition, Iacoboni has argued that mirror neurons are the neural basis of the human capacity for emotions such as empathy.It has also been proposed that problems with the mirror neuron system may underlie cognitive disorders, particularly autism. However the connection between mirror neuron dysfunction and autism is tentative and it remains to be seen how mirror neurons may be related to many of the important characteristics of autism.Despite the excitement generated by these findings, to date, no widely accepted neural or computational models have been put forward to describe how mirror neuron activity supports cognitive functions such as imitation. There are neuroscientists who caution that the claims being made for the role of mirror neurons are not supported by adequate research.
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