Biological Cybernetics

, Volume 45, Issue 1, pp 71–77 | Cite as

Drosophila mutants disturbed in visual orientation

II. Mutants affected in movement and position computation
  • Heinrich Bülthoff


With the Y-maze selection technique described in Part I 2 strains of probably central nervous system (CNS) mutants have been isolated. These mutants show defects in the computation of both position and movement. One of these mutants (nofEB12) shows strong avoidance of small patterns moving with high velocity. This inversion of the object-induced orientation response can be mainly attributed to a modification of responses to fast progressive (front-to-back) movement. It is thus possible that overall optomotor behaviour may be decomposed into a set of genetically independent modules.


Nervous System Central Nervous System High Velocity Selection Technique Independent Module 
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Copyright information

© Springer-Verlag 1982

Authors and Affiliations

  • Heinrich Bülthoff
    • 1
  1. 1.Max-Planck-Institut für biologische KybernetikTübingenFederal Republic of Germany

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