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Janis C. Weeks

Researcher at University of Oregon

Publications -  50
Citations -  1901

Janis C. Weeks is an academic researcher from University of Oregon. The author has contributed to research in topics: Proleg & Motor neuron. The author has an hindex of 25, co-authored 50 publications receiving 1843 citations.

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Effects of Nicotinic and Muscarinic Agents on an Identified Motoneurone and its Direct Afferent Inputs in Larval Manduca Sexta

TL;DR: The EPSP was reversibly inhibited in a dose-dependent fashion by the cholinergic antagonists d -tubocurarine, atropine and mecamylamine, indicating that the planta hair afferent neurones use acetylcholine (ACh) as a neurotransmitter.
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A microfluidic device for whole-animal drug screening using electrophysiological measures in the nematode C. elegans

TL;DR: The fabrication and use of a microfluidic device for performing whole-animal chemical screens using non-invasive electrophysiological readouts of neuromuscular function in the nematode worm, C. elegans, accurately reported the acute effects of known anthelmintics (anti-nematode drugs) and also correctly distinguished a specific drug-resistant mutant strain of C. worm from wild type.
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Postembryonic Neuronal Plasticity and its Hormonal Control During Insect Metamorphosis

TL;DR: There is a continuation into postembryonic life of many neuro­ developmental processes that are normally viewed as being restricted to embryonic life, such as neuronal birth and death, and changes in neuronal structure and synaptic connectivity, and the relative simplicity of the insect nervous system offers an excellent opportunity to study these phenomena in individually identified neurons.
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Synaptic basis of swim initiation in the leech: II. A pattern-generating neuron (cell 208) which mediates motor effects of swim-initiating neurons

TL;DR: Cell 208 makes a variety of segmentally repeated, interganglionic mono- and polysynaptic connections with swim motor neurons which are appropriate for generating a sinusoidal body posture, and has almost complete control over the strength of the dorsal flexion phase of swimming.
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A reflex behavior mediated by monosynaptic connections between hair afferents and motoneurons in the larval tobacco hornworm, Manduca sexta

TL;DR: The excitatory neural pathways linking the planta hair afferents and the proleg retractor motoneurons (MNs) are investigated, suggesting that the neurotransmitter at the synapse is acetylcholine (ACh), of particular interest because the ACh receptors of tobacco-feedingManduca larvae are reported to be less nicotinesensitive than those of other insects.