Optic lobe evolution in Arthropods

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Table of contents

Preamble
1. General introduction to visual systems
2. Vision in arthropods
3. Parhyale hawaiensis
4. Purposes of the project
Part 1 – A description of the Parhyale visual system
I. Introduction
I.1 – The compound eye
I.1.A – Three types of compound eyes
I.2 – Photoreceptors and ommatidia structure
I.2.A – Visual pigments of compound eyes
I.3 – Visual information processing – the optic lobe
I.3.A – Visual information processing – lessons from the fly
I.3.B – Optic lobe evolution in Arthropods
I.4 – Purposes of Part 1
II. Results
II.1 – Structure and growth of Parhyale eyes
II.2 – Photoreceptor types
II.3 – Optic lobe structure
III. Discussion
Part 2 – Eye adaptations to the environment in Parhyale
I. Introduction
I.1 – Light intensity adaptations – pigment cells and the arthropod pupil
I.2 – Polarisation vision
I.3 – Polarisation–related behaviours
I.4 – Purposes of Part 2
II. Results
II.1 – Pupil adaptation in Parhyale
II.2 – Polarisation sensitivity in Parhyale
III. Discussion
Conclusions and future perspectives
Materials and Methods
References