What question did this study set out to answer?

To evaluate the evolutionary conservation, flexibility, and neuromuscular constraints of jaw and hyolingual feeding motor patterns across diverse lizard lineages.

December 1, 2001American Zoologist

The Evolution of Feeding Motor Patterns in Lizards: Modulatory Complexity and Possible Constraints1

View Full Paper

Ask AI

Bookmark

Authors

AHAnthony HerrelCentre National de la Recherche Scientifique JMJay J. MeyersNorthern Arizona University KNKiisa C. NishikawaUniversity of North Carolina at Chapel Hill

Discussion

Member takes

Implication

Comparative neuromuscular analysis reveals modulatory flexibility in jaw and hyolingual feeding patterns across lizard families, suggesting complex sensory integration and evolutionary constraints.

Key Points

To evaluate the evolutionary conservation, flexibility, and neuromuscular constraints of jaw and hyolingual feeding motor patterns across diverse lizard lineages.
Comparative electromyographic analyses of jaw and hyolingual muscle activation across multiple lizard families during food capture and processing.
Surgical nerve transection experiments disconnecting sensory feedback pathways within the hyolingual system to evaluate feeding cycle regulation.
Jaw muscle activation patterns exhibit marked inter- and intraspecific variability and modulation to food structural properties, whereas hyolingual muscle patterns remain largely conserved across lineages.
Food specialist lizards demonstrate a secondary reduction or loss of modulatory flexibility in jaw and hyolingual motor control.
Elimination of sensory feedback via nerve transection markedly alters feeding cycle rhythm, demonstrating that motor output relies heavily on ongoing peripheral feedback rather than central autonomy alone.

Cite This Study

Herrel et al. (2001) studied this question.

synapsesocial.com/papers/6a94fba11f4bf9b67c9e56ea https://doi.org/10.1668/0003-1569(2001)041[1311:teofmp]2.0.co;2

View Full Paper

Ask AI

Bookmark

Implication

Comparative neuromuscular analysis reveals modulatory flexibility in jaw and hyolingual feeding patterns across lizard families, suggesting complex sensory integration and evolutionary constraints.

The Evolution of Feeding Motor Patterns in Lizards: Modulatory Complexity and Possible Constraints1

Discussion

Member takes

Implication

Key Points

Cite This Study

The Evolution of Feeding Motor Patterns in Lizards: Modulatory Complexity and Possible Constraints1

Discussion

Member takes

Implication

Key Points

Cite This Study

Also Consider

Also Consider