Central Programming and Reflex Control of Walking in the Cockroach
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Central-Complex Control of Movement in the Freely Walking Cockroach
To navigate in the world, an animal's brain must produce commands to move, change direction, and negotiate obstacles. In the insect brain, the central complex integrates multiple forms of sensory information and guides locomotion during behaviors such as foraging, climbing over barriers, and navigating to memorized locations. These roles suggest that the central complex influences motor command...
متن کاملStructure and synaptic activation of the fast coxal depressor motoneurone of the cockroach, Periplaneta americana.
Now that behavioural descriptions of walking in the cockroach are available (Delcomyn, 1971) attempts are being made to elucidate the neuronal mechanisms involved in leg movements. Innervation of some of the muscles utilized in walking has been studied and the patterns of activity of motoneurones to both coxal levator and depressor muscles have been described in the intact, free-walking animal ...
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In this paper, we studied numerically both kinematic and dynamic models of a biologically inspired mammal-like octopod robot walking with a tetrapod gait. Three different nonlinear oscillators were used to drive the robot’s legs working as central pattern generators. In addition, also a new, relatively simple and efficient model was proposed and investigated. The introduced model of the gait ge...
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The basic locomotion and rhythm of stepping in walking animals like cockroaches mostly relies on a central pattern generator (CPG) [1], while their peripheral sensors are used to control walking behaviors [2]. By contrast, in stick insects, sensory feedback serving as reflexive mechanism plays a critical role in shaping the motor pattern for adaptivity and robustness of walking gaits [2]. Inspi...
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تاریخ انتشار 2005