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Neural Mechanisms of Motor Program Switching inAplysia
TLDR
Fast conventional and slow peptidergic transmissions originating from the same interneuron act in concert to meet specific temporal requirements in pattern switching.
Central pattern generator for escape swimming in the notaspid sea slug Pleurobranchaea californica.
TLDR
Pleurobranchaea's swim resembles that of the nudibranch Tritonia; the CPGs are similar in many details, suggesting that the behavior and network are primitive characters derived from a common pleurobr branchid ancestor.
Neuronal elements that mediate escape swimming and suppress feeding behavior in the predatory sea slug Pleurobranchaea.
TLDR
The A1 neurons are elements of an escape swimming pattern generator, and are probably homologous to the similar C2 neurons of the nudibranch Tritonia diomedea, and one of their functions outside of generating the swim pattern may be the suppression of feeding behavior in response to noxious stimulation.
Feeding Neural Networks in the Mollusc Aplysia
TLDR
This work primarily discusses motor programs triggered via stimulation of the command-like cerebral-buccal interneuron 2 (CBI-2), which can generate motor programs that serve opposing functions, i.e., programs can be ingestive or egestive.
The Construction of Movement with Behavior-Specific and Behavior-Independent Modules
TLDR
These findings support the existence of behavior-specific modules and suggest that neuron B51 was found to mediate a phase that can be flexibly added on to both ingestion and egestive-rejection programs, suggesting that B51 may be a behavior-independent module.
Interneuronal Basis of the Generation of Related but Distinct Motor Programs in Aplysia: Implications for Current Neuronal Models of Vertebrate Intralimb Coordination
TLDR
The model supports the existence of separate controllers for different movements as in the Grillner (1981, 1985) model and is similar to the Berkowitz and Stein (1994) model because the closure movement is mediated by separate controllers in different programs, and thus both models can be classified as recruitment models.
Concerted GABAergic Actions of Aplysia Feeding Interneurons in Motor Program Specification
TLDR
It is found that blockade of GABAergic inhibition by picrotoxin increases B8 activity during protraction and shortens protraction, without disrupting the integrity of motor programs.
Escape swim network interneurons have diverse roles in behavioral switching and putative arousal in Pleurobranchaea.
TLDR
Different roles are found for the different swim interneurons in acute suppression of feeding during the swim and in a longer-term stimulation of excitability in the feeding network, delineating the nature of the putative serotonergic arousal system of gastropods.
Interneuronal and peptidergic control of motor pattern switching in Aplysia.
TLDR
It is found that CBI-2 could evoke either ingestive, egestive, or ambiguous motor programs depending on the regime of stimulation, consistent with the idea that combinatorial commands are responsible for the choice of specific behaviors.
From Hunger to Satiety: Reconfiguration of a Feeding Network by Aplysia Neuropeptide Y
TLDR
In the marine mollusc, Aplysia californica, feeding-induced transition from a hunger to satiation state leads to a slowdown and an eventual termination of feeding, where apNPYergic reconfiguration of the feeding central pattern generator plays a role in the gradual transition from Hunger to satiety states.
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