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Titolo:
A DIGITAL FEEDBACK CONTROLLER APPLICATION FOR STUDYING PHOTORECEPTOR ADAPTATION BY VOLTAGE-CLAMP BY LIGHT
Autore:
DJUPSUND K; KOUVALAINEN E; JARVILEHTO M; WECKSTROM M;
Indirizzi:
UNIV OULU,DEPT PHYSIOL,KAJAANINTIE 52A SF-90220 OULU FINLAND UNIV OULU,DEPT ZOOL SF-90220 OULU FINLAND UNIV HELSINKI,DEPT ZOOL SF-00100 HELSINKI FINLAND
Titolo Testata:
Journal of neuroscience methods
fascicolo: 1-2, volume: 62, anno: 1995,
pagine: 29 - 36
SICI:
0165-0270(1995)62:1-2<29:ADFCAF>2.0.ZU;2-E
Fonte:
ISI
Lingua:
ENG
Soggetto:
BLOWFLY PHOTORECEPTORS; CONTROL-SYSTEM; SENSITIVITY;
Keywords:
VISION; INTRACELLULAR; INVERTEBRATE; (FROG); SIGNAL-TO-NOISE RATIO;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
35
Recensione:
Indirizzi per estratti:
Citazione:
K. Djupsund et al., "A DIGITAL FEEDBACK CONTROLLER APPLICATION FOR STUDYING PHOTORECEPTOR ADAPTATION BY VOLTAGE-CLAMP BY LIGHT", Journal of neuroscience methods, 62(1-2), 1995, pp. 29-36

Abstract

We present a new digital feedback application for the study of the sensitivity characteristics of photoreceptors. The amplitude of the recorded membrane voltage of a cell is steered by changing the incoming light intensity with a motor-driven circular, linear neutral-density wedge (CFW). The voltage response is sampled and fed to a software position controller of the CFW. The controller determines the position of the wedge according to the desired (command) value of the response. The light intensity changes during steady-state represent the sensitivity change, the time-course of adaptation.

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Documento generato il 26/11/20 alle ore 11:23:25