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THE SECOND OPTIC LOBE OF THE CRAYFISH VISUAL SYSTEM: ORGANIZATION OF COLUMNAR AND EXTRACOLUMNAR PATHWAYS
The crayfish Sustaining fibers (SFs) are used to analyze the functional organization of the second optic lobe, the Medulla. The SFs are tonic ON visual interneurons whose dendrites lie in a single plane in the Medullary ...
PHASE SHIFTING THE CIRCADIAN RHYTHM FROM THE APLYSIA EYE: INVOLVEMENT OF 5-HT AND CYCLIC AMP
The circadian rhythm (CR) of compound optic nerve potentials (CAPs) from the isolated eye of Aplysia californica can be phase shifted by 5-HT (serotonin). Data are presented in this thesis which suggest that 5-HT acts as ...
Polarization sensitivity: Two models for information processing in the crayfish visual system
Photoreceptor sensitivity to the e-vector of polarized light was measured with micropipettes filled with Lucifer Yellow. The terminals of the dye injected cells were located in the two plexiform layers of the lamina ...
THE CRAYFISH VISUAL SYSTEM: INTRACELLULAR STUDIES AND MORPHOLOGIES OF IDENTIFIED INTERNEURONS
A semi-intact eye-cup preparation was developed which maintains visual responses and enables intracellular recordings to be made from the optic lobes of the crayfish compound eye. Sustaining fibers (SFs) were impaled with ...