Axon
... • Exist in adult nervous system, but inactive except in: • Olfactory epithelium (sensory neurons for smell) • Retina of eye • Hippocampus (part of brain involved in short-term memory storage) ...
... • Exist in adult nervous system, but inactive except in: • Olfactory epithelium (sensory neurons for smell) • Retina of eye • Hippocampus (part of brain involved in short-term memory storage) ...
Neurotransmitter and Neuromodulator Activity in
... slices at known concentrations. The ability to control both the intracellular and extracellular environment permitted us to make conclusions regarding the ionic mechanisms involved in neurotransmission. All the data reported here were obtained in the current clamp mode by injecting current to modify ...
... slices at known concentrations. The ability to control both the intracellular and extracellular environment permitted us to make conclusions regarding the ionic mechanisms involved in neurotransmission. All the data reported here were obtained in the current clamp mode by injecting current to modify ...
Correlation between auditory threshold and the auditory brainstem
... notable risk factor for hearing impairment that affected neonates and can also affect the brainstem [26, 27]. The brainstem auditory pathway has been shown to be very sensitive to low blood oxygen concentrations with the consequent damage in the Organ of Corti or loss of brainstem neurons, such as c ...
... notable risk factor for hearing impairment that affected neonates and can also affect the brainstem [26, 27]. The brainstem auditory pathway has been shown to be very sensitive to low blood oxygen concentrations with the consequent damage in the Organ of Corti or loss of brainstem neurons, such as c ...
Structure of the Nervous System
... The medulla is the most caudal portion of brain and is rostral to the spinal cord The medulla contains part of the reticular formation The nuclei of the medulla control vital functions such as regulation of the cardiovascular system, breathing, and skeletal muscle tone ...
... The medulla is the most caudal portion of brain and is rostral to the spinal cord The medulla contains part of the reticular formation The nuclei of the medulla control vital functions such as regulation of the cardiovascular system, breathing, and skeletal muscle tone ...
Long, intrinsic horizontal axons radiating through and beyond rat
... or axon collaterals running horizontally through cortical gray matter as opposed to either thalamic input or the white matter connections typically considered to underlie the connectome (Frostig et al. 2008). To explore the anatomical basis of the cortical activity spreads further, small, shallow in ...
... or axon collaterals running horizontally through cortical gray matter as opposed to either thalamic input or the white matter connections typically considered to underlie the connectome (Frostig et al. 2008). To explore the anatomical basis of the cortical activity spreads further, small, shallow in ...
UNRAVELING THE SENSE OF SMELL
... different ORs, this combinatorial coding scheme could allow for the discrimination of an almost unlimited number of odorants. Even if each odorant were detected by only three ORs, this scheme could potentially generate almost one billion different odor codes. These studies also provided insight into ...
... different ORs, this combinatorial coding scheme could allow for the discrimination of an almost unlimited number of odorants. Even if each odorant were detected by only three ORs, this scheme could potentially generate almost one billion different odor codes. These studies also provided insight into ...
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 ...
PDF - Center for Neural Science
... behaviors. That a cortical area exhibits a new type of behavior does not necessarily mean that the circuit must possess unique biological machineries completely different from those of other areas. Hence, persistent activity may be generated in the PFC when the strength of recurrent excitation (medi ...
... behaviors. That a cortical area exhibits a new type of behavior does not necessarily mean that the circuit must possess unique biological machineries completely different from those of other areas. Hence, persistent activity may be generated in the PFC when the strength of recurrent excitation (medi ...
Purves ch. 8 + Kandel ch. 23 - Weizmann Institute of Science
... Four major types of encapsulated mechanoreceptors are specialized to provide information to the central nervous system about touch, pressure, vibration, and cutaneous tension: Meissner’s corpuscles, Pacinian corpuscles, Merkel’s disks, and Ruffini’s corpuscles (Figure 8.3 and Table 8.1). These recep ...
... Four major types of encapsulated mechanoreceptors are specialized to provide information to the central nervous system about touch, pressure, vibration, and cutaneous tension: Meissner’s corpuscles, Pacinian corpuscles, Merkel’s disks, and Ruffini’s corpuscles (Figure 8.3 and Table 8.1). These recep ...
Maruska et al. 2007
... Ota et al. (1996, 1999a,b) did demonstrate seasonal changes in vasotocin gene expression that were correlated with plasma steroid levels in masu salmon, but these studies concentrated on immature and pre-spawning individuals. Measures for AVT-ir cell numbers and size among cell groups, sexes, and se ...
... Ota et al. (1996, 1999a,b) did demonstrate seasonal changes in vasotocin gene expression that were correlated with plasma steroid levels in masu salmon, but these studies concentrated on immature and pre-spawning individuals. Measures for AVT-ir cell numbers and size among cell groups, sexes, and se ...
Central mechanisms regulating coordinated cardiovascular and
... activity, and respiratory activity. Furthermore, c-Fos expression occurs only after sustained stimulation of neurons and so this method cannot be used to identify cell populations activated by brief alerting stimuli. Nevertheless, even though many questions remain unanswered, recent studies have pro ...
... activity, and respiratory activity. Furthermore, c-Fos expression occurs only after sustained stimulation of neurons and so this method cannot be used to identify cell populations activated by brief alerting stimuli. Nevertheless, even though many questions remain unanswered, recent studies have pro ...
Table of Contents - The Mind Project
... In addition to role-playing and being able to collect data to interpret, this virtual lab, allows students to see how the research process works, on a bigger, grander scale. Students learn that there is a cellular phenomenon that scientists do not understand. Data show that Parkinson’s patients have ...
... In addition to role-playing and being able to collect data to interpret, this virtual lab, allows students to see how the research process works, on a bigger, grander scale. Students learn that there is a cellular phenomenon that scientists do not understand. Data show that Parkinson’s patients have ...
Neurons
... The intensity of a stimulus is coded by the frequency of action potentials (continued) – Intensity is coded in two other ways: – First, the intensity can be signaled by the frequency of action potentials in a single neuron—the more intense the stimulus, the faster the neuron fires action potential ...
... The intensity of a stimulus is coded by the frequency of action potentials (continued) – Intensity is coded in two other ways: – First, the intensity can be signaled by the frequency of action potentials in a single neuron—the more intense the stimulus, the faster the neuron fires action potential ...
The neurophysiological correlates of motor tics following focal
... inhibited during tics, although tics were only manifested in a small confined muscle group. This suggests that rather than representing a specific action within the basal ganglia itself, these nuclei provide a temporally exact but spatially distributed release signal. The tics induced by striatal di ...
... inhibited during tics, although tics were only manifested in a small confined muscle group. This suggests that rather than representing a specific action within the basal ganglia itself, these nuclei provide a temporally exact but spatially distributed release signal. The tics induced by striatal di ...
View PDF - CiteSeerX
... identification of the major fissures, and the determination of the lobules and folia follows from this first step. The anatomic location of major fissures can be ascertained in other cerebella by reference to the anatomic features of this atlas, even if there is some variability in their location wi ...
... identification of the major fissures, and the determination of the lobules and folia follows from this first step. The anatomic location of major fissures can be ascertained in other cerebella by reference to the anatomic features of this atlas, even if there is some variability in their location wi ...
Caudo‐rostral brain spreading of α‐synuclein through vagal
... progression, a‐syn pathology spreads upwardly toward the pons, mesencephalon and higher brain regions, following a stereotypical pattern that may reflect neuron‐to‐neuron transmission (Desplats et al, 2009; Hansen et al, 2011; Freundt et al, 2012) and propagation via interconnected brain pathways (Br ...
... progression, a‐syn pathology spreads upwardly toward the pons, mesencephalon and higher brain regions, following a stereotypical pattern that may reflect neuron‐to‐neuron transmission (Desplats et al, 2009; Hansen et al, 2011; Freundt et al, 2012) and propagation via interconnected brain pathways (Br ...
Integrative actions of the reticular formation The reticular activating
... activation occurred via sensory collaterals acting on the brain stem R.F. Further evidence preceding the 1949 paper of Magoun and Moruzzi included the discovery by Magoun, Lindsey, and Bowden (1949) that basal diencephalic injury produced more profound EEG sleep changes than did the cerveau isol~ pr ...
... activation occurred via sensory collaterals acting on the brain stem R.F. Further evidence preceding the 1949 paper of Magoun and Moruzzi included the discovery by Magoun, Lindsey, and Bowden (1949) that basal diencephalic injury produced more profound EEG sleep changes than did the cerveau isol~ pr ...
Visual Cortex and Control Processes Stimuli in Opposite Visual
... hemifields did not influence each other within occipital visual cortex in that study, interacting only at the higher level of parietal cortex where some suppression of the response to one hemifield by addition of a concurrent stimulus in the other hemifield was found. Schwartz et al. (2005) therefor ...
... hemifields did not influence each other within occipital visual cortex in that study, interacting only at the higher level of parietal cortex where some suppression of the response to one hemifield by addition of a concurrent stimulus in the other hemifield was found. Schwartz et al. (2005) therefor ...
PINP: A New Method of Tagging Neuronal Populations
... sometimes be distinguished during extracellular recordings on the basis of their narrower spikes [4,5,24,25]. We therefore compared spike widths between the light responsive ChR2-expressing population and the non-responsive control population. The average waveforms for the light-responsive populatio ...
... sometimes be distinguished during extracellular recordings on the basis of their narrower spikes [4,5,24,25]. We therefore compared spike widths between the light responsive ChR2-expressing population and the non-responsive control population. The average waveforms for the light-responsive populatio ...
pdf
... Figure 2 | Conjunctiveness and hubness in the hippocampus. (a) Representational similarity analysis (RSA) logic. Left: associative similarity contrast, with expected high regional representational similarity for comparisons of the same association, and low similarity for comparisons of different ass ...
... Figure 2 | Conjunctiveness and hubness in the hippocampus. (a) Representational similarity analysis (RSA) logic. Left: associative similarity contrast, with expected high regional representational similarity for comparisons of the same association, and low similarity for comparisons of different ass ...
Interactions between frontal cortex and basal ganglia in working
... Munakata, 1998; O’Reilly et al., 1999; O’Reilly & Munakata, 2000). Activation-based memories have a number of advantages, relative to weight-based memories. For example, activation-based memories can be rapidly updated just by changing the activation state of a set of neurons. In contrast, changing ...
... Munakata, 1998; O’Reilly et al., 1999; O’Reilly & Munakata, 2000). Activation-based memories have a number of advantages, relative to weight-based memories. For example, activation-based memories can be rapidly updated just by changing the activation state of a set of neurons. In contrast, changing ...
The Spatiotemporal Dynamics of Autobiographical
... (Tulving 2002). When recalling autobiographical memories for specific events rather than semantic knowledge, it is therefore assumed that some degree of recollection is always involved. To distinguish between degrees of reexperiencing an event, we evaluated ratings of reliving as a continuous phenome ...
... (Tulving 2002). When recalling autobiographical memories for specific events rather than semantic knowledge, it is therefore assumed that some degree of recollection is always involved. To distinguish between degrees of reexperiencing an event, we evaluated ratings of reliving as a continuous phenome ...
cp_kellermann_launay_17092010
... the mechanisms of action of these drugs which have been used for more than 30 years and are heavily consumed in France. In particular, the researchers have revealed, for the first time, a sequence of reactions caused by Prozac at the neuron level, which contributes to an increase in the amounts of s ...
... the mechanisms of action of these drugs which have been used for more than 30 years and are heavily consumed in France. In particular, the researchers have revealed, for the first time, a sequence of reactions caused by Prozac at the neuron level, which contributes to an increase in the amounts of s ...
H1 - Brian Whitworth
... shovel in response to the chicken foot, subjects would make something up (e.g. “Because you need the shovel to clean up after chickens”) ...
... shovel in response to the chicken foot, subjects would make something up (e.g. “Because you need the shovel to clean up after chickens”) ...