English
 
User Manual Privacy Policy Disclaimer Contact us
  Advanced SearchBrowse

Item

ITEM ACTIONSEXPORT
  Task-specific association of photoreceptor systems and steering parameters in Drosophila

Strauss, R., Renner, M., & Götz, K. (2001). Task-specific association of photoreceptor systems and steering parameters in Drosophila. Journal of Comparative Physiology A, 187(8), 617-632. doi:0.1007/s003590100234.

Item is

Basic

show hide
Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-E1F4-C Version Permalink: http://hdl.handle.net/21.11116/0000-0005-A710-C
Genre: Journal Article

Files

show Files

Locators

show
hide
Description:
-

Creators

show
hide
 Creators:
Strauss, R, Author              
Renner, M1, 2, Author              
Götz, KG1, 3, Author              
Affiliations:
1Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497794              
2Department Human Perception, Cognition and Action, Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497797              
3Former Department Neurophysiology of Insect Behavior, Max Planck Institute for Biological Cybernetics, Max Planck Society, Spemannstrasse 38, 72076 Tübingen, DE, ou_1497802              

Content

show
hide
Free keywords: -
 Abstract: Visual motion processing enables moving fruit flies to stabilize their course and altitude and to approach selected objects. Earlier attempts to identify task-specific pathways between two photoreceptor systems (R1-6, R7+8) and three steering parameters (wingstroke asymmetry, abdomen deflection, hindleg deflection) attributed course control and object fixation to R1-6 mediated simultaneous reactions of these parameters. The present investigation includes first results from fixed flying or freely walking ninaE17 mutants which cannot synthesize the R1-6 photoreceptor-specific opsin. Retention of about 12 percent of the normal course control and about 58 percent of the object fixation in these flies suggests partial input sharing for both responses and, possibly, a specialization for large-field (R1-6) and small-field (R7+8) motion. Such signals must be combined to perceive relative motion between an object and its background. The combining links found in larger species might explain a previously neglected interdependence of course control and object fixation in Drosophila. Output decomposition revealed an unexpected orchestration of steering. Wingstroke asymmetry and abdomen deflection do not contribute in fixed proportions to the yaw torque of the flight system. Different steering modes seem to be selected according to their actual efficiency under closed-loop conditions and to the degree of intended turning. An easy experimental access to abdominal steering is introduced.

Details

show
hide
Language(s):
 Dates: 2001-10
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: -
 Identifiers: BibTex Citekey: 869
DOI: 0.1007/s003590100234
 Degree: -

Event

show

Legal Case

show

Project information

show

Source 1

show
hide
Title: Journal of Comparative Physiology A
  Other : J. Comp. Physiol. A -Neuroethol. Sens. Neural Behav. Physiol.
Source Genre: Journal
 Creator(s):
Affiliations:
Publ. Info: Heidelberg : Springer Verlag
Pages: - Volume / Issue: 187 (8) Sequence Number: - Start / End Page: 617 - 632 Identifier: ISSN: 0340-7594
CoNE: https://pure.mpg.de/cone/journals/resource/954925519626