Results 191 to 200 of about 4,608 (217)
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Statistical measurement of signal transmission in the central nervous system of the crayfish
Kybernetik, 1969Transmission of nerve signals in the crayfish brain was studied by means of the transfer function derived from input-output analysis with random stimulation. The transfer function was measured in the form of frequency-response-function and represented by Bode plot. Two classes of the frequency-response-functions were discriminated, corresponding to two
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Signal processing and modelling of the response of crayfish photosensitive ganglion
Proceedings of the First Regional Conference, IEEE Engineering in Medicine and Biology Society and 14th Conference of the Biomedical Engineering Society of India. An International Meet, 2002The terminal abdominal ganglion of the crayfish acts as a photoreceptor. When this sensory receptor is illuminated, the crayfish will walk randomly into a region of subdued illumination. In the 1950's, Lawrence and his group has recorded the response of the crayfish for a step change in light intensity with intra- and extra-cellular electrodes.
Krishnamurthi V. +2 more
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Journal of Experimental Biology, 1999
ABSTRACT Intersegmental interneurones are crucial for the appropriate coordination of the activity of local circuits located in different body segments. We have analysed the synaptic inputs to ascending intersegmental interneurones from a proprioceptor in the tailfan of the crayfish.
, Aonuma, , Newland, , Nagayama
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ABSTRACT Intersegmental interneurones are crucial for the appropriate coordination of the activity of local circuits located in different body segments. We have analysed the synaptic inputs to ascending intersegmental interneurones from a proprioceptor in the tailfan of the crayfish.
, Aonuma, , Newland, , Nagayama
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Stochastic Synchronization and Signal Rectification in the Crayfish Caudal Photoreceptor
AIP Conference Proceedings, 2003The crayfish possesses two light‐sensitive neurons in its abdominal 6th ganglion (“caudal photoreceptors”, or CPRs). In addition to being light sensors, the CPRs are secondary neurons in a mechanosensory pathway. These sensory mechanisms, mechanosensitivity and light sensitivity, interact with one another. Pei et al.
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Incomes, Attitudes, and Occurrences of Invasive Species: An Application to Signal Crayfish in Sweden
Environmental Management, 2008This article analyzes and carries out an econometric test of the explanatory power of economic and attitude variables for occurrences of the nonnative signal crayfish in Swedish waters. Signal crayfish are a carrier of plague which threatens the native noble crayfish with extinction.
Ing-Marie, Gren +3 more
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The Role of Chemical Signals in the Social Behavior of Crayfish
Chemical Senses, 2005Dan A, Bergman, Paul A, Moore
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Journal of Zoo and Wildlife Medicine
Crustaceans are housed in zoos and aquariums and have also gained importance in the private sector and food industry. Shell lesions are common and often attributed to bacterial infections. However, few controlled studies have been performed evaluating antibiotics in crustaceans.
Hali T, Jungers +12 more
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Crustaceans are housed in zoos and aquariums and have also gained importance in the private sector and food industry. Shell lesions are common and often attributed to bacterial infections. However, few controlled studies have been performed evaluating antibiotics in crustaceans.
Hali T, Jungers +12 more
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Signal crayfish (Pacifastacus leniusculus Dana, 1852)
This document has been produced in 2020 within the framework of the LIFE INVASAQUA project (LIFE17 GIE/ES/000515) Aquatic Invasive Alien Species of Freshwater and Estuarine Systems: Awareness and Prevention in the Iberian Peninsula, funded by the European Commission LIFE program.Banha, F., Anastácio, P. M.
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