Information Processing in the Visual Systems of Anthropods: Symposium Held at the Department of Zoology, University of Zurich, March 6–9, 1972

Front Matter....Pages I-XI
Opening Remark....Pages 1-2
Periodic Structures and Structural Gradients in the Visual Ganglia of the Fly....Pages 3-15
Synaptology of the Lamina ganglionaris in the Fly....Pages 17-22
Some Interrelationships between the First and Second Synaptic Regions of the Fly’s (Musca domestica L.) Visual System....Pages 23-30
Columns and Layers in the Second Synaptic Region of the Fly’s Visual System: The Case for Two Superimposed Neuronal Architectures....Pages 31-36
The Fine Structure of the Compound Eye of Formica polyctena — Functional Morphology of a Hymenopterean Eye....Pages 37-47
Measurements on the Arrangement of Ommatidial Structures in the Retina of Cataglyphis bicolor (Formicidae, Hymenoptera)....Pages 49-53
The Ultrastructure of the Photosensible Elements in the Eyes of Collembola and Their Orientation (Insecta)....Pages 55-59
The Visual System of Musca: Studies on Optics, Structure and Function....Pages 61-74
Pupil and Pseudopupil in the Compound Eye of Drosophila....Pages 75-82
Directional Intensity Distribution in Single Ommatidia of the Honeybee, Apis mellifera....Pages 83-87
Pigment Migration and the Pupil of the Dioptric Apparatus in Superposition Eyes....Pages 89-92
Eye Movements in the Housefly Musca domestica....Pages 93-96
Photoreconversion of Invertebrate Visual Pigments....Pages 97-108
Metarhodopsin in Single Rhabdomeres of the Fly, Calliphora erythrocephala....Pages 109-113
The Discrimination of Light Intensities in the Honey Bee....Pages 115-119
Photopositive Reactions of Honey Bees to Circular Areas of Varying Sizes and Light Intensities....Pages 121-125
Screening Pigment and Visual Field of Single Retinula Cells of Calliphora....Pages 127-131
Circadian Sensitivity Changes in the Median Eyes of the North African Scorpion, Androctonus australis....Pages 133-139
Dark Activation of the Stationary Flight of the Fruitfly Drosophila....Pages 141-146
Electrophysiological Studies on the Eyes of Diptera, Mecoptera and Hymenoptera....Pages 147-153
Wavelength-specific Behavioral Reactions in Drosophila melanogaster....Pages 155-161
A Preliminary Report on the Analysis of the Optomotor System of the Bee — Behavioral Studies with Spectral Lights....Pages 163-165
A Preliminary Report on the Analysis of the Optomotor System of the Honey Bee — Single Unit Recordings During Stimulation with Spectral Lights....Pages 167-170
Spectral Sensitivity and Wavelength Discrimination in Cataglyphis bicolor (Formicidae)....Pages 171-176
ERG of Formica polyctena and Selective Adaptation....Pages 177-181
Pattern Modulation and Pattern Detection in the Visual System of Hymenoptera....Pages 183-194
Experiments on Pattern Discrimination in Honey Bees....Pages 195-200
A Qualitative Model for Pattern Discrimination in the Honey Bee....Pages 201-206
The Ability of Honey Bees to Generalise Visual Stimuli....Pages 207-212
First Steps in a Behavioral Analysis of Pattern Discrimination in Diptera....Pages 213-215
Intraaxonal Visual Responses from Visual Cells and Second-order Neurons of an Insect Retina....Pages 217-222
Ethometrical Investigations into the Spatial Interaction within the Visual System of Velia caprai (Hemiptera, Heteroptera)....Pages 223-229
Mechanisms of Orientation and Pattern Recognition by Jumping Spiders (Salticidae)....Pages 231-247
Observations on the Visual Reactions of Collembola....Pages 249-253
Processing of Cues from the Moving Environment in the Drosophila Navigation System....Pages 255-263
Behavioral Diagnostics; a Way to Analyze Visual Mutants of Drosophila....Pages 265-268
Resultant Positioning between Optical and Kinesthetic Orientation in the Spider Agelena labyrinthica Clerck....Pages 269-274
Idiothetic Course Control and Visual Orientation....Pages 275-279
The Relation of Astromenotactic and Anemomenotactic Orientation Mechanisms in Desert Ants, Cataglyphis bicolor (Formicidae, Hymenoptera)....Pages 281-286
The Significance of Different Eye Regions for Astromenotactic Orientation in Cataglyphis bicolor (Formicidae, Hymenoptera)....Pages 287-293
The Visual Orientation of Desert Ants, Cataglyphis bicolor, by Means of Terrestrial Cues....Pages 295-302
Distance Measuring as Influenced by Terrestrial Cues in Cataglyphis bicolor (Formicidae, Hymenoptera)....Pages 303-308
The Time — Dependent Storing of Optical Information in the Honeybee....Pages 309-314
Learning Experiments on the Use of Side — Specific Information in the Olfactory and Visual System in the Honey Bee (Apis mellifica)....Pages 315-321
The Relationship between Difference in Stimuli and Choice Frequency in Training Experiments with the Honeybee....Pages 323-334
Back Matter....Pages 335-336