Topographic Organization of Sensory Projection to the Olfactory Bulb
... information? Odorant stimuli are received from the environment by receptors on olfactory sensory neurons in the olfactory epithelium (Figure 1). Each olfactory neuron projects a single unbranched axon. As the collection of axons emerge from ihe olfactory mucosa, they fasciculate to form the olfactor ...
... information? Odorant stimuli are received from the environment by receptors on olfactory sensory neurons in the olfactory epithelium (Figure 1). Each olfactory neuron projects a single unbranched axon. As the collection of axons emerge from ihe olfactory mucosa, they fasciculate to form the olfactor ...
Continuous and Overlapping Expression Domains of Odorant
... Technology Agency and 3Department of Biophysics and Biochemistry, Graduate School of Science, The University of Tokyo, Tokyo 113-0032, Japan ...
... Technology Agency and 3Department of Biophysics and Biochemistry, Graduate School of Science, The University of Tokyo, Tokyo 113-0032, Japan ...
Human olfaction: from genomic variation to phenotypic diversity
... the potential to link variations in ORs to human chemosensory phenotypes. This promises to provide a genome-wide view of human olfaction, resulting in a deeper understanding of personalized odor coding, with the potential to decipher flavor and fragrance preferences. Understanding the olfactory mole ...
... the potential to link variations in ORs to human chemosensory phenotypes. This promises to provide a genome-wide view of human olfaction, resulting in a deeper understanding of personalized odor coding, with the potential to decipher flavor and fragrance preferences. Understanding the olfactory mole ...
Receptive Fields of Second-order Neurons in the Olfactory Bulb of
... 1974; Costanzo and Mozell, 1976). Anatomical studies such as those by Land (1973) and Land and Shepherd (1974) have shown that there are particular areas of the olfactory epithelium which project to localized regions in the rabbit olfactory bulb. These anatomical studies, which depend primarily on d ...
... 1974; Costanzo and Mozell, 1976). Anatomical studies such as those by Land (1973) and Land and Shepherd (1974) have shown that there are particular areas of the olfactory epithelium which project to localized regions in the rabbit olfactory bulb. These anatomical studies, which depend primarily on d ...
![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]
... sensory modality for perception at a distance (Chase et al., 1978; Chase and Croll, 1981; Chase, 1982). Several recent reports have described associative conditioning to odors in gastropod molluscs (Croll and Chase, 1980; Sahley et al., 1981; Alexander et al., 1983) thus raising the possibility of c ...
... sensory modality for perception at a distance (Chase et al., 1978; Chase and Croll, 1981; Chase, 1982). Several recent reports have described associative conditioning to odors in gastropod molluscs (Croll and Chase, 1980; Sahley et al., 1981; Alexander et al., 1983) thus raising the possibility of c ...
REAL TIME MONITORING ODOR SENSING SYSTEM
... transfer function, which can be, e.g., linear or sigmoid (linear for values close to zero, flattening out for large positive or negative values). An ANN is an interconnected network of neurons. The input layer has one neuron for each of the sensor signals, while the output layer has one neuron for e ...
... transfer function, which can be, e.g., linear or sigmoid (linear for values close to zero, flattening out for large positive or negative values). An ANN is an interconnected network of neurons. The input layer has one neuron for each of the sensor signals, while the output layer has one neuron for e ...
Olfactory maps, circuits and computations
... the bulb, researchers injected dyes, enzymes and radioactive tracers to ask whether there was a topographical relationship between spatial domains within the olfactory bulb and target regions in the olfactory cortex [23–31]. In principle the results from such experiments could fall anywhere between ...
... the bulb, researchers injected dyes, enzymes and radioactive tracers to ask whether there was a topographical relationship between spatial domains within the olfactory bulb and target regions in the olfactory cortex [23–31]. In principle the results from such experiments could fall anywhere between ...
Bayer Exp Br Res 1983
... size differences are evident in Fig. 2C which is an autoradiogram from an animal exposed to 3H-thy midine on E20--E21. There is only one external tufted cell labeled (asterisk, Fig. 2C), while several interstitial tufted cells are labeled (arrows, Fig. 2C) indicating a neurogenetic gradient between ...
... size differences are evident in Fig. 2C which is an autoradiogram from an animal exposed to 3H-thy midine on E20--E21. There is only one external tufted cell labeled (asterisk, Fig. 2C), while several interstitial tufted cells are labeled (arrows, Fig. 2C) indicating a neurogenetic gradient between ...
Can You Smell That? Anatomy and Physiology of Smell
... interact with mucus overlying the receptor cells Produced by Bowman’s glands and adjacent respiratory mucosa (goblet cells) Partitioning of odorant’s molecules between air phase and mucus phase important in reaching olfactory epithelium Must be soluble in mucus but not too strongly captured to inter ...
... interact with mucus overlying the receptor cells Produced by Bowman’s glands and adjacent respiratory mucosa (goblet cells) Partitioning of odorant’s molecules between air phase and mucus phase important in reaching olfactory epithelium Must be soluble in mucus but not too strongly captured to inter ...
Biological Cybernetics
... mitral cells and on dendrites of inhibitory short axon cells. The short axon cells make local dendrodendritic contacts with mitral cells. A few axons from the diagonal band also synapse on the mitral dendrites in this layer (Shepherd 1979). The main cell types of the bulb are the (excitatory) mitral ...
... mitral cells and on dendrites of inhibitory short axon cells. The short axon cells make local dendrodendritic contacts with mitral cells. A few axons from the diagonal band also synapse on the mitral dendrites in this layer (Shepherd 1979). The main cell types of the bulb are the (excitatory) mitral ...
How humans distinguish between smells
... is the area of the brain that conducts initial processing of odor information. This process takes place in structures called glomeruli. One glomerulus houses tens of thousands of axons from the receptor cells as well as dendrites from other neurons that then connect the olfactory bulb to the other r ...
... is the area of the brain that conducts initial processing of odor information. This process takes place in structures called glomeruli. One glomerulus houses tens of thousands of axons from the receptor cells as well as dendrites from other neurons that then connect the olfactory bulb to the other r ...
I. MITRAL CELLS OF THE OLFACTORY BULB OF THE LIZARD S. Llahi,
... The main and accessory olfactory bulbs of Podarcis have similar lamination patterns, as it has been reported for other reptiles (Andres, 1970; Crosby and Humphrey, 1939; Halpern, 1980; Nieuwenhuys, 1967). Nevertheless, the mitral cell layer of the AOB is worse defined than that of the MOB. Neither i ...
... The main and accessory olfactory bulbs of Podarcis have similar lamination patterns, as it has been reported for other reptiles (Andres, 1970; Crosby and Humphrey, 1939; Halpern, 1980; Nieuwenhuys, 1967). Nevertheless, the mitral cell layer of the AOB is worse defined than that of the MOB. Neither i ...
T3 Final Paper - Drew University
... clear patterned responses to any of the odors presented, suggesting that they were not tuned. However, a more clear relationship between the peak of the LFP signal and the firing of an action potential was discovered. This suggests that cells in the brain are firing in groups. In sum, these findings ...
... clear patterned responses to any of the odors presented, suggesting that they were not tuned. However, a more clear relationship between the peak of the LFP signal and the firing of an action potential was discovered. This suggests that cells in the brain are firing in groups. In sum, these findings ...
CV - The Solomon H Snyder Department of Neuroscience
... 3. The Or7a olfactory receptor can also be activated by the green leaf volatile E2-hexenal. We found that this odorant, like 9-tricosene, can guide aggregation and egg-laying decisions. This suggests that odorant-stimulated activity of Or7a receptors may play a key role in female oviposition. 4. Pre ...
... 3. The Or7a olfactory receptor can also be activated by the green leaf volatile E2-hexenal. We found that this odorant, like 9-tricosene, can guide aggregation and egg-laying decisions. This suggests that odorant-stimulated activity of Or7a receptors may play a key role in female oviposition. 4. Pre ...
Seventeen
... the centrifugal fibers. Other dendrites form dendrodgndritic synapses with mitral cell dendrites. Sorne of these synaptic arrangements are shown irr Figure 77 -2.The complex circuitry of the olfactory bulb recalls that of the retina and indicates thiat, as is the case with visual images, ...
... the centrifugal fibers. Other dendrites form dendrodgndritic synapses with mitral cell dendrites. Sorne of these synaptic arrangements are shown irr Figure 77 -2.The complex circuitry of the olfactory bulb recalls that of the retina and indicates thiat, as is the case with visual images, ...
Subicular and CA1 hippocampal projections to the accessory
... provides feedback inputs to the olfactory system by means of centrifugal projections. Historically, a projection from the temporal third of the subiculum to the anterior olfactory nucleus has been described (Swanson and Cowan, 1977). Retrogradely labeled cells were found in the ventral CA1 after lar ...
... provides feedback inputs to the olfactory system by means of centrifugal projections. Historically, a projection from the temporal third of the subiculum to the anterior olfactory nucleus has been described (Swanson and Cowan, 1977). Retrogradely labeled cells were found in the ventral CA1 after lar ...
Cultured Olfactory Interneurons From Limax maximus: Optical and
... spontaneously active cells from slow, single spikes at irregular intervals to a distinctly bursty pattern (Fig. 4B). In some cases the dopamine application produced a brief period of inactivity before emergence of the bursty mode (Fig. 5 ). The interspike intervals shown in Fig. 5 indicate that PC n ...
... spontaneously active cells from slow, single spikes at irregular intervals to a distinctly bursty pattern (Fig. 4B). In some cases the dopamine application produced a brief period of inactivity before emergence of the bursty mode (Fig. 5 ). The interspike intervals shown in Fig. 5 indicate that PC n ...
Ominous odors: olfactory control of instinctive fear and aggression in
... This output can be engaged simply by an olfactory stimulus such as conspecific urine [26]. However, since afferent projection patterns to the PVN are highly complex, little is known about how olfactory information releases the HPA response. Several groups have recently compiled a detailed anatomy of ...
... This output can be engaged simply by an olfactory stimulus such as conspecific urine [26]. However, since afferent projection patterns to the PVN are highly complex, little is known about how olfactory information releases the HPA response. Several groups have recently compiled a detailed anatomy of ...
Limbic System Limbic `Lobe` Components Limbic System Components
... Ventral amygdalofugal pathway ...
... Ventral amygdalofugal pathway ...
Sherwood 6B
... Olfactory processing • Odors dissected into components • Each part of a n odor detected by one of a thousand receptor • G protein, cAMP, Na channel transduction • Olfactory bulb – Above bone layer – Glomeruli and mitral cells together • Limbic system in the primary olfactory cortex of the temporal ...
... Olfactory processing • Odors dissected into components • Each part of a n odor detected by one of a thousand receptor • G protein, cAMP, Na channel transduction • Olfactory bulb – Above bone layer – Glomeruli and mitral cells together • Limbic system in the primary olfactory cortex of the temporal ...
Olfactory tract transection in neonatal rats: Evidence for Mitral cell
... functional recovery following nerve transection has been reported2. Munirathinam et al3. have demonstrated the axonal regeneration following olfactory tract transection. However, the study did not provide any evidence for the functional restoration in terms of integrated electrical activity between ...
... functional recovery following nerve transection has been reported2. Munirathinam et al3. have demonstrated the axonal regeneration following olfactory tract transection. However, the study did not provide any evidence for the functional restoration in terms of integrated electrical activity between ...
Biology 232 - Request a Spot account
... taste is augmented by olfaction and tactile sensations Taste Buds – sense organs for taste on papillae of tongue 2 types of cells: gustatory cells – sensory receptors taste hairs – long microvilli with receptors for certain molecules taste pore – opening in papilla; tastant molecules pass through to ...
... taste is augmented by olfaction and tactile sensations Taste Buds – sense organs for taste on papillae of tongue 2 types of cells: gustatory cells – sensory receptors taste hairs – long microvilli with receptors for certain molecules taste pore – opening in papilla; tastant molecules pass through to ...
regional difference in stainability with calcium
... layers of the perirhinal cortex and entorhinal cortex, and superficial and deep layers of the somatosensory cortex (Figure 1). In these regions, many neurons, which were labeled with the neuron-specific marker Nissl, were stained with OGB-1. Table 1 summarizes the OGB-1-staining efficiency of variou ...
... layers of the perirhinal cortex and entorhinal cortex, and superficial and deep layers of the somatosensory cortex (Figure 1). In these regions, many neurons, which were labeled with the neuron-specific marker Nissl, were stained with OGB-1. Table 1 summarizes the OGB-1-staining efficiency of variou ...
Genetic Analysis of Brain Circuits Underlying Pheromone Signaling
... are excreted to the outside by an individual and received by a second individual of the same species in which they release a specific reaction, for example a definite behavior or developmental process” (31). Pheromones have been shown in insect, fish, and mammal to trigger genetically preprogrammed set ...
... are excreted to the outside by an individual and received by a second individual of the same species in which they release a specific reaction, for example a definite behavior or developmental process” (31). Pheromones have been shown in insect, fish, and mammal to trigger genetically preprogrammed set ...
Neurophysiology/special senses/smell and taste Lect. Dr. Zahid M
... The odorant receptors are G protein coupled receptors. When an odorant molecule binds to its receptor, the G protein subunits (α, β, γ) dissociate. The αsubunit activates adenylate cyclase to catalyze the production of cAMP, which acts as a second messenger to open cation channels, increasing the pe ...
... The odorant receptors are G protein coupled receptors. When an odorant molecule binds to its receptor, the G protein subunits (α, β, γ) dissociate. The αsubunit activates adenylate cyclase to catalyze the production of cAMP, which acts as a second messenger to open cation channels, increasing the pe ...
Olfactory bulb
The olfactory bulb (bulbus olfactorius) is a neural structure of the vertebrate forebrain involved in olfaction, or the sense of smell.