The role responses of expression and identity in the face
... Cowey and C. Heywood, personal communication, 1987), which may cause difficulties in perceiving social cues. Neurons responsive to faces could be part of a system for the independent extraction of identity and expression. These neurons are relatively insensitive to most manipulations of facial Stimu ...
... Cowey and C. Heywood, personal communication, 1987), which may cause difficulties in perceiving social cues. Neurons responsive to faces could be part of a system for the independent extraction of identity and expression. These neurons are relatively insensitive to most manipulations of facial Stimu ...
5-Autonomic Nervous System
... to its anatomical, physiological, and pharmacological characteristics into two subdivisions: Both divisions operate in conjunction with one another (i.e. have antagonistic control over the viscera) to maintain a stable internal environment. ...
... to its anatomical, physiological, and pharmacological characteristics into two subdivisions: Both divisions operate in conjunction with one another (i.e. have antagonistic control over the viscera) to maintain a stable internal environment. ...
rEvIEW - McLoon Lab
... higher. In agreement with this hypothesis, in the hippocampus of adult rats, large perforated synapses with higher probabilities of glutamate release were found to be more likely to be ensheathed by astrocytes22. It is equally possible, however, that synapses that are wrapped by an astrocyte are sta ...
... higher. In agreement with this hypothesis, in the hippocampus of adult rats, large perforated synapses with higher probabilities of glutamate release were found to be more likely to be ensheathed by astrocytes22. It is equally possible, however, that synapses that are wrapped by an astrocyte are sta ...
α3β1 integrin modulates neuronal migration and placement during
... al., 2003; Nadarajah et al., 2001; Nadarajah and Parnavelas, 2002; O’Rourke et al., 1992; Rakic, 1972; Yakubova and Komuro, 2002). Abnormalities in neuronal migration and layer formation lead to abnormal placement and connectivity of cortical neurons, an underlying cause of many congenital brain dis ...
... al., 2003; Nadarajah et al., 2001; Nadarajah and Parnavelas, 2002; O’Rourke et al., 1992; Rakic, 1972; Yakubova and Komuro, 2002). Abnormalities in neuronal migration and layer formation lead to abnormal placement and connectivity of cortical neurons, an underlying cause of many congenital brain dis ...
W3005 1/29/0 Prof
... The importance of local cues in establishing axon trajectories is shown very clearly in this experiment of Bill Harris (then at UCSD now at Cambridge). Harris labeled axons emerging from retinal ganglion cells with the fluoescent dye, diI, and the followed the routes they took to their major target ...
... The importance of local cues in establishing axon trajectories is shown very clearly in this experiment of Bill Harris (then at UCSD now at Cambridge). Harris labeled axons emerging from retinal ganglion cells with the fluoescent dye, diI, and the followed the routes they took to their major target ...
hap6 - WordPress.com
... Axons end in axonal terminals Axonal terminals contain vesicles with neurotransmitters Axonal terminals are separated from the next neuron by a gap Synaptic cleft – gap between adjacent neurons Synapse – junction between nerves Slide 7.11 ...
... Axons end in axonal terminals Axonal terminals contain vesicles with neurotransmitters Axonal terminals are separated from the next neuron by a gap Synaptic cleft – gap between adjacent neurons Synapse – junction between nerves Slide 7.11 ...
What Fuels Fat - Napa Valley College
... those individuals, only one of two copies of the gene is affected, leaving them with about 50 percent of normal MC4 receptor function. The majority of people with obesity, however, have no known genetic mutations that could explain their condition. Moreover, their leptin levels are actually higher t ...
... those individuals, only one of two copies of the gene is affected, leaving them with about 50 percent of normal MC4 receptor function. The majority of people with obesity, however, have no known genetic mutations that could explain their condition. Moreover, their leptin levels are actually higher t ...
Segmentation of neuronal nuclei based on clump splitting
... same sections that were double labeled to selectively visualize neurons. In the latter case, neurons are very difficult to segment due to large irregularities in their contours since not only the soma is stained but also their proximal processes. However, we have used this information to automaticall ...
... same sections that were double labeled to selectively visualize neurons. In the latter case, neurons are very difficult to segment due to large irregularities in their contours since not only the soma is stained but also their proximal processes. However, we have used this information to automaticall ...
PDF
... and simultaneously generate daughter cells that are either postmitotic neurons or intermediate progenitor cells (IPCs). IPCs then undergo additional rounds of symmetric division in the subventricular zone (SVZ, see Glossary, Box 1)to produce neurons (Kowalczyk et al., 2009; Noctor et al., 2004). Ne ...
... and simultaneously generate daughter cells that are either postmitotic neurons or intermediate progenitor cells (IPCs). IPCs then undergo additional rounds of symmetric division in the subventricular zone (SVZ, see Glossary, Box 1)to produce neurons (Kowalczyk et al., 2009; Noctor et al., 2004). Ne ...
Glucocorticoids Enhance the Excitability of Principal Basolateral
... groups, as determined from the average time to AHP peak in vehicletreated cells. Note that we only considered the second current-evoked spike because many vehicle-treated BLA cells did not generate more than two spikes. We ignored the first action potential because it often occurred at an interval s ...
... groups, as determined from the average time to AHP peak in vehicletreated cells. Note that we only considered the second current-evoked spike because many vehicle-treated BLA cells did not generate more than two spikes. We ignored the first action potential because it often occurred at an interval s ...
HECTtype E3 ubiquitin ligases in nerve cell development and
... radial glial cells (RGCs). These span the entire cortical plate, contacting the marginal and ventricular zones. RGCs retain the potential to self-renew to increase their pool, while their asymmetric divisions produce premature neurons and intermediate progenitors. In the subventricular zone, each in ...
... radial glial cells (RGCs). These span the entire cortical plate, contacting the marginal and ventricular zones. RGCs retain the potential to self-renew to increase their pool, while their asymmetric divisions produce premature neurons and intermediate progenitors. In the subventricular zone, each in ...
Cnidarians and the evolutionary origin of the nervous system Review
... physiological complexity observed in the regionalized nervous system and eye-bearing sensory complex (Rhopalia) of cnidarians, an increasing number of examples indicating the evolutionary convergence in both nervous and sensory systems (Nishikawa 2002) make it difficult to simply compare cnidarian a ...
... physiological complexity observed in the regionalized nervous system and eye-bearing sensory complex (Rhopalia) of cnidarians, an increasing number of examples indicating the evolutionary convergence in both nervous and sensory systems (Nishikawa 2002) make it difficult to simply compare cnidarian a ...
(Title 17, United States Code) governs the maki
... Previous research has only considered the morphology changes in terms of volume and neuron count. However, the volume change should be due to an increase or decrease in neuron numbers comprising that area, and thus volume and neuron numbers should both be considered as measurements for such change. ...
... Previous research has only considered the morphology changes in terms of volume and neuron count. However, the volume change should be due to an increase or decrease in neuron numbers comprising that area, and thus volume and neuron numbers should both be considered as measurements for such change. ...
FIGURE LEGENDS FIGURE 19.1 Evidence of synapse elimination
... elicits three different postsynaptic responses in this fiber. Similar assays in adult animals give only a single postsynaptic response that cannot be fractionated by graded stimulation. The preparation was partially curarized to prevent the endplate potentials from reaching threshold. Figures adapte ...
... elicits three different postsynaptic responses in this fiber. Similar assays in adult animals give only a single postsynaptic response that cannot be fractionated by graded stimulation. The preparation was partially curarized to prevent the endplate potentials from reaching threshold. Figures adapte ...
Synaptic Specificity in Frog Sympathetic Ganglia During
... neurons appeared to receive both a B fiber and a C fiber input, with synaptic potentials of each having similar size and waveform. In such cases, the possibility that branches of one axon were present in both preganglionic roots was checked by means of a collision test. Only the nicotinic fast excit ...
... neurons appeared to receive both a B fiber and a C fiber input, with synaptic potentials of each having similar size and waveform. In such cases, the possibility that branches of one axon were present in both preganglionic roots was checked by means of a collision test. Only the nicotinic fast excit ...
Medial Prefrontal Cortex Cells Show Dynamic Modulation With the
... The role of the hippocampus during behavior has been thoroughly researched and great progress has been made into unraveling how the hippocampus plays its central role in memory tasks (Eichenbaum, 2004). The prefrontal cortex has been shown to be involved in a range of complex tasks in primates and r ...
... The role of the hippocampus during behavior has been thoroughly researched and great progress has been made into unraveling how the hippocampus plays its central role in memory tasks (Eichenbaum, 2004). The prefrontal cortex has been shown to be involved in a range of complex tasks in primates and r ...
Neurobiology of injury to the developing brain.
... Abstract Following traumatic brain injury (TBI) there is significant neuropathology which includes mitochondrial dysfunction, loss of cortical grey matter, microglial activation, and cognitive impairment. Previous evidence has shown that activation of the peroxisome proliferatoractivated receptors ( ...
... Abstract Following traumatic brain injury (TBI) there is significant neuropathology which includes mitochondrial dysfunction, loss of cortical grey matter, microglial activation, and cognitive impairment. Previous evidence has shown that activation of the peroxisome proliferatoractivated receptors ( ...
Finally, the peak firing rate within any one place field of a single cell
... However, activity patterns in most areas of neocortex, including entorhinal cortex, appear to be much denser (involving a larger proportion of neurons at any given time), which is thought to be beneficial for generalization (McClelland et al., 1995), an important characteristic of the kind of repres ...
... However, activity patterns in most areas of neocortex, including entorhinal cortex, appear to be much denser (involving a larger proportion of neurons at any given time), which is thought to be beneficial for generalization (McClelland et al., 1995), an important characteristic of the kind of repres ...
Massively Parallel Recording of Unit and Local Field
... Micro-electro-mechanical-system (MEMS)-based devices are particularly useful for simultaneous recording local field and unit activity from large numbers of sites with minimal damage to the nervous tissue. MEMS devices can combine silicon integrated-circuit processing with thin-film microelectrode se ...
... Micro-electro-mechanical-system (MEMS)-based devices are particularly useful for simultaneous recording local field and unit activity from large numbers of sites with minimal damage to the nervous tissue. MEMS devices can combine silicon integrated-circuit processing with thin-film microelectrode se ...
Subventricular zone
The subventricular zone (SVZ) is a paired brain structure situated throughout the lateral walls of the lateral ventricles. It is composed of four distinct layers of variable thickness and cell density, as well as cellular composition. Along with the dentate gyrus of the hippocampus, the SVZ is one of two places where neurogenesis has been found to occur in the adult mammalian brain.