Representation of Sounds in Auditory Cortex of Awake
... The brain is the most complex computational device known to Man. Not only does it mediate our orientation in both external (physical) and internal worlds, but—even more astonishingly—the brain enables study of itself. Yet, this amazing device is composed of only a limited set of neurons and their co ...
... The brain is the most complex computational device known to Man. Not only does it mediate our orientation in both external (physical) and internal worlds, but—even more astonishingly—the brain enables study of itself. Yet, this amazing device is composed of only a limited set of neurons and their co ...
Evolutionary Neurotheology - UTK-EECS
... The principal problem arises because of the unique properties of conscious experience. First, consciousness is private, but scientific knowledge is public knowledge; it is founded ultimately on a consensus of appropriately trained investigators. Therefore science has made the most progress on physic ...
... The principal problem arises because of the unique properties of conscious experience. First, consciousness is private, but scientific knowledge is public knowledge; it is founded ultimately on a consensus of appropriately trained investigators. Therefore science has made the most progress on physic ...
- AVMA Journals Online
... throughout the RN, but also the parvicellular population projects to the cervical spinal cord.5 At present, little is known about the morphology, cytoarchitecture, and projections of the RN in cattle. It is known that the pars intermedia of the lobus rostralis of the cerebellum exerts an inhibitory ...
... throughout the RN, but also the parvicellular population projects to the cervical spinal cord.5 At present, little is known about the morphology, cytoarchitecture, and projections of the RN in cattle. It is known that the pars intermedia of the lobus rostralis of the cerebellum exerts an inhibitory ...
Simulation of signal flow in 3D reconstructions of an anatomically
... The three-dimensional (3D) structure of neural circuits represents an essential constraint for information flow in the brain. Methods to directly monitor streams of excitation, at subcellular and millisecond resolution, are at present lacking. Here, we describe a pipeline of tools that allow investi ...
... The three-dimensional (3D) structure of neural circuits represents an essential constraint for information flow in the brain. Methods to directly monitor streams of excitation, at subcellular and millisecond resolution, are at present lacking. Here, we describe a pipeline of tools that allow investi ...
Direct Inhibition Evoked by Whisker Stimulation in Somatic Sensory
... barrel field cortex of the awake rat. J Neurophysiol 84: 1497–1504, 2000. Whisker deflection typically evokes a transient volley of action potentials in rat somatic sensory (SI) barrel cortex. Postexcitatory inhibition is thought to quickly terminate the cortical cell response to whisker deflection. ...
... barrel field cortex of the awake rat. J Neurophysiol 84: 1497–1504, 2000. Whisker deflection typically evokes a transient volley of action potentials in rat somatic sensory (SI) barrel cortex. Postexcitatory inhibition is thought to quickly terminate the cortical cell response to whisker deflection. ...
Optical Control of Muscle Function by Transplantation of Stem Cell
... across the barrier between the central and peripheral nervous system to reach the appropriate muscles (6). It has previously been shown that motor neurons derived from ESCs can be engrafted into a peripheral nerve environment and successfully reinnervate denervated muscle (7). However, these engraft ...
... across the barrier between the central and peripheral nervous system to reach the appropriate muscles (6). It has previously been shown that motor neurons derived from ESCs can be engrafted into a peripheral nerve environment and successfully reinnervate denervated muscle (7). However, these engraft ...
A Review of Cell Assemblies by Huyck and
... Since many neurons are required to make another neuron fire, and their is a large amount background activity, a large number of neurons need to fire to make another neuron reliably fire. However, many neurons firing together can make many other neurons fire, so groups of neurons will tend to fire to ...
... Since many neurons are required to make another neuron fire, and their is a large amount background activity, a large number of neurons need to fire to make another neuron reliably fire. However, many neurons firing together can make many other neurons fire, so groups of neurons will tend to fire to ...
![Responses to Odors Mapped in Snail Tentacle and Brain by [14C]](http://s1.studyres.com/store/data/017009313_1-932f7069dbfdd3fd3915bbe942d02b0f-300x300.png)
Responses to Odors Mapped in Snail Tentacle and Brain by [14C]
... see Wright, 1974; Chase and Kamil, 1983; Chase and Tolloczko, 1985). The receptors ...
... see Wright, 1974; Chase and Kamil, 1983; Chase and Tolloczko, 1985). The receptors ...
An implantable electrode design for both chronic in vivo
... in freely behaving invertebrates have not been described so far. We developed a double hook electrode that can be assembled and implanted easily and that can be used for alternate recording and chronic stimulation in crayfish over several months. It is of high durability and may be well suited for u ...
... in freely behaving invertebrates have not been described so far. We developed a double hook electrode that can be assembled and implanted easily and that can be used for alternate recording and chronic stimulation in crayfish over several months. It is of high durability and may be well suited for u ...
central mechanisms underlying short-term and long
... vessels also increases. The level around which arterial pressure is regulated, the "set point", varies under different conditions. For example, during dynamic exercise arterial pressure is increased by approximately 15-20% (Delp & Laughlin, 1998), and this increase in pressure has been shown to conf ...
... vessels also increases. The level around which arterial pressure is regulated, the "set point", varies under different conditions. For example, during dynamic exercise arterial pressure is increased by approximately 15-20% (Delp & Laughlin, 1998), and this increase in pressure has been shown to conf ...
Brain Electrical Activity During Waking and Sleep States
... observation concerning visual stimuli indicates that some neural mechanism in addition to the direct sensory pathways is required for the maintenance of wakefulness. In 1949 Moruzzi and Magoun discovered that rapid stimulation (50-200/sec) of the brainstem produced activation of the EEG (low voltage ...
... observation concerning visual stimuli indicates that some neural mechanism in addition to the direct sensory pathways is required for the maintenance of wakefulness. In 1949 Moruzzi and Magoun discovered that rapid stimulation (50-200/sec) of the brainstem produced activation of the EEG (low voltage ...
CASE 47
... subthalamic nucleus, and substantia nigra. The basal ganglia receive synaptic input from motor cortex (as well as from sensory association and prefrontal cortex) and send their output to the thalamus, which then feeds back to the cortex. Although the functions of the basal ganglia are not well under ...
... subthalamic nucleus, and substantia nigra. The basal ganglia receive synaptic input from motor cortex (as well as from sensory association and prefrontal cortex) and send their output to the thalamus, which then feeds back to the cortex. Although the functions of the basal ganglia are not well under ...
Attention as a decision in information space
... results in devastating behavioral and psychiatric disorders. Thus, understanding the neuronal mechanisms of decision formation is a central goal of cognitive neuroscience. In recent years, significant progress in the study of decision formation was made possible by the development of behavioral task ...
... results in devastating behavioral and psychiatric disorders. Thus, understanding the neuronal mechanisms of decision formation is a central goal of cognitive neuroscience. In recent years, significant progress in the study of decision formation was made possible by the development of behavioral task ...
The dynamic spatio-temporal behavior of visual responses in
... evidence accumulated not later than around 1970 [6,57,61,72], indicate that visual information processing must be a process utilizing recurrent loops and involving massive dynamic interactions. It is thus puzzling that visual cortical receptive fields were for a very long time regarded as rather sta ...
... evidence accumulated not later than around 1970 [6,57,61,72], indicate that visual information processing must be a process utilizing recurrent loops and involving massive dynamic interactions. It is thus puzzling that visual cortical receptive fields were for a very long time regarded as rather sta ...
Somatosensory system
... The sensory receptors involved in taste and smell contain receptor molecules that bind to specific chemicals. Odor receptors in olfactory receptor neurons, for example, are activated by interacting with molecular structures on the odor molecule. Similarly, taste receptors (gustatory receptors) in ta ...
... The sensory receptors involved in taste and smell contain receptor molecules that bind to specific chemicals. Odor receptors in olfactory receptor neurons, for example, are activated by interacting with molecular structures on the odor molecule. Similarly, taste receptors (gustatory receptors) in ta ...
Representing Spatial Information for Limb - Research
... Ml (Georgopoulos et al., 1984; Georgopoulos and Massey, 1985; Kettner et al., 1988), PMd (Caminiti et al., 1991), area 2 (Soechting et al., 1992), and area 5 (Georgopoulos et al., 1984; Georgopoulos and Massey, 1985). We have searched evidence for coherent representations of movement and posture in ...
... Ml (Georgopoulos et al., 1984; Georgopoulos and Massey, 1985; Kettner et al., 1988), PMd (Caminiti et al., 1991), area 2 (Soechting et al., 1992), and area 5 (Georgopoulos et al., 1984; Georgopoulos and Massey, 1985). We have searched evidence for coherent representations of movement and posture in ...
5104-c2
... • Using paired whole-cell recordings, we have found that many neurons in the rat SCN communicate via electrical synapses. Spontaneous spiking was often synchronized in pairs of electrically coupled neurons, and the degree of this synchrony could be predicted from the magnitude of coupling. • In wild ...
... • Using paired whole-cell recordings, we have found that many neurons in the rat SCN communicate via electrical synapses. Spontaneous spiking was often synchronized in pairs of electrically coupled neurons, and the degree of this synchrony could be predicted from the magnitude of coupling. • In wild ...
Cortical Algorithms for Perceptual Grouping
... belong to one object and to segregate them from other objects and the background. This review provides a conceptual framework of how perceptual grouping may be implemented in the visual cortex. According to this framework, two mechanisms are responsible for perceptual grouping: base-grouping and inc ...
... belong to one object and to segregate them from other objects and the background. This review provides a conceptual framework of how perceptual grouping may be implemented in the visual cortex. According to this framework, two mechanisms are responsible for perceptual grouping: base-grouping and inc ...