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Categorization of biologically relevant chemical signals in the medial amygdala
TLDR
The results suggest that the amygdala categorizes stimuli according to the biological relevance for the tested species, and patterns of IEG expression in medial amygdala may provide glimpses of a tertiary sorting of chemosensory signals beyond the primary-level selectivity of chemOSensory neurons and the secondary sorting in main and accessory olfactory bulbs. Expand
Effects of Cue-Triggered Expectation on Cortical Processing of Taste
TLDR
Simultaneous recordings and pharmacological manipulations of GC and basolateral amygdala revealed the role of top-down inputs in mediating the effects of anticipatory cues and provided a model for how cue-triggered expectation changes the state of sensory cortices to achieve rapid processing of natural stimuli. Expand
Estrous changes in vaginal nociception in a rat model of endometriosis
TLDR
The hypothesis that the vaginal hyperalgesia depends upon the cysts is supported, which involves viscero-visceral interactions and is likely centrally mediated, whereas the estrous modulation could involve hormonal actions either on the Cysts or, more likely, on vaginal afferent fibers, and/or on central neurons. Expand
The vomeronasal organ is required for the male mouse medial amygdala response to chemical-communication signals, as assessed by immediate early gene expression
TLDR
The present report shows that the medial amygdala response to the tested chemical signals is dependent upon an intact vomeronasal organ, and also disrupts the avoidance of (an unfamiliar) predator odor, worn cat collar. Expand
Oxytocin antagonist disrupts male mouse medial amygdala response to chemical-communication signals
TLDR
It is suggested that the disruption of social recognition behavior in male mice with altered OT receptor activity results from an inability of the medial amygdala to process relevant conspecific (and heterospecific) chemosensory signals. Expand
Thalamic Contribution to Cortical Processing of Taste and Expectation
TLDR
Behavioral electrophysiological techniques are relied on to study taste-evoked activity in GC before and after inactivation of the parvicellular portion of the ventroposteromedial nucleus of thalamus and demonstrate a previously unknown association between responsiveness to behavioral events, temporal dynamics, and thalamic connectivity in GC. Expand
Processing of Intraoral Olfactory and Gustatory Signals in the Gustatory Cortex of Awake Rats
TLDR
This study relied on multielectrode recordings to investigate how single GC neurons respond to intraorally delivered tastants and tasteless odorants dissolved in water and whether/how these two modalities converge in the same neurons and found that neurons in gustatory cortex can respond either exclusively to taste, exclusively to odorants, or to both (bimodal). Expand
Human pheromone detection by the vomeronasal organ: unnecessary for mate selection?
TLDR
This commentary addresses the authors' assumption that humans have a functional VNO, that pheromones are detected exclusively by the V NO, and that human pherumones are responsible for negative stimuli during mate selection. Expand
Selective Response of Medial Amygdala Subregions to Reproductive and Defensive Chemosignals from Conspecific and Heterospecific Species
TLDR
It is proposed that information on conspecific chemosignals with preprogrammed meaning (pheromones) is analyzed by MeP neurons, probably influenced by gonadal steroid status. Expand
Experience-Dependent c-Fos Expression in the Mediodorsal Thalamus Varies With Chemosensory Modality
TLDR
Comparisons with rats familiar with an odor, a taste, or an odor-taste mixture with those that sampled the stimuli for the first time demonstrate that experience with chemosensory stimuli modulates responses in the mediodorsal thalamus, suggesting this structure plays an integral role in communicating behaviorally relevant chemOSensory information to higher order areas to guide food-related behaviors. Expand
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