Barnacle photoreceptors: Their physiology and role in the control of behavior

@article{Gwilliam1975BarnaclePT,
  title={Barnacle photoreceptors: Their physiology and role in the control of behavior},
  author={G. Gwilliam and R. Millecchia},
  journal={Progress in Neurobiology},
  year={1975},
  volume={4},
  pages={211-239}
}
Electrical Activity 4.1 Description of the receptor potential 4.1.1 Dark adaptation 4.1.2 Intensity of illumination 4.1.3 Quantal response 4.1.4 Photo-electric efficiency 4.2 Two physiologically active states of the photopigment 4.2.1 Early receptor potential 4.2.2 Two thermally stable states of the visual pigment 4.2.3 Antagonistic components of the receptor potential 4.3 Voltage clamp studies 4.3.1 Membrane properties in the absence of illumination 4.3.2 Membrane changes during illumination 4… Expand
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Vision in barnacles
TLDR
This article focuses on the fate of the graded signals generated in the photoreceptors: their conduction to the receptor's terminals, their modification by second- and third-order cells of the visual pathway, and their influence on motoneurons. Expand
THE MECHANISM OF THE SHADOW REFLEX IN CIRRIPEDIA III. RHYTHMICAL PATTERNED ACTIVITY IN CENTRAL NEURONS AND ITS MODULATION BY SHADOWS
TLDR
The principle finding reported is that there are two classes of bursters, identifiable by location, bursting pattern, and response to "light-off" that exhibit reciprocity. Expand
Ctenophore kairomones and modified aminosugar disaccharides alter the shadow response in a larval crab
TLDR
The test hypotheses were supported; predator kairomones, ctenophore external mucus, and purified aminosugar disaccharides having acetylamine functionality reduced the threshold decrease in irradiance needed to evoke shadow responses in crab larvae. Expand
Automatic nerve impulse identification and separation.
TLDR
The identification and separation procedure has been successfully applied to the extracellularly recorded neural activity associated with the shadow reflex pathway of the barnacle. Expand
Neural Principles in the Peripheral Visual Systems of Invertebrates

References

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TLDR
Comparison of the action spectra for the stimulus-coincident LRP and for the extended depolarization and its curtailment with those previously measured for the early receptor potential (ERP) confirms that these phenomena derive from the same bi-stable pigment as the ERP. Expand
Early Receptor Potential Evidence for the Existence of Two Thermally Stable States in the Barnacle Visual Pigment
TLDR
The early receptor potential in the barnacle photoreceptor is shown by intracellular recording to exhibit a strong dependence on the color of the stimulus and of the preceding adaptation, suggesting that two thermally stable pigment states with different absorption spectra contribute to the ERP. Expand
Hyperpolarization of a Barnacle Photoreceptor Membrane following Illumination
TLDR
Membrane potential changes following illumination of a photoreceptor cell in the lateral ocellus of a barnacle were studied by means of intracellular recording and polarization techniques and it is suggested that the postillumination hyperpolarization is produced by an electrogenic Na pump which is activated by the Na influx during illumination. Expand
THE MECHANISM OF THE SHADOW REFLEX IN CIRRIPEDIA. II. PHOTORECEPTOR CELL RESPONSE, SECOND-ORDER RESPONSES, AND MOTOR CELL OUTPUT
TLDR
Intracellular sensory potentials from the lateral ocelli of B. eburneus indicate that spiking does not occur in these retinula cells, and that the wave form of the response to a light flash is very similar to comparable records from other arthropod retinul cells. Expand
II. The Photo-electric Efficiency of the Median and the Lateral Photoreceptor of the Barnacle Balanus eburneus
Formulae which were derived in a preceeding publication are used to analize the electrical response to flashes of 10 μsec duration of the median, Fig. 3, and the lateral photoreceptors of the… Expand
THE MECHANISM OF THE SHADOW REFLEX IN CIRRIPEDIA. I. ELECTRICAL ACTIVITY IN THE SUPRAESOPHAGEAL GANGLION AND OCELLAR NERVE
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It is suggested that, at best, third order neurons are responsible for the phasic response in the latter two genera, and evidence is presented that both the primary "on" response and the second order "off" response are grad... Expand
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In the dark, the ventral photoreceptor of Limulus exhibits time-variant currents under voltage-clamp conditions; that is, if the membrane potential of the cell is clamped to a depolarized value there… Expand
Rapid Dark Recovery of the Invertebrate Early Receptor Potential
The recovery in the dark of the early receptor potential, as a direct manifestation of the state of the visual pigments, has been studied by intracellular recording in the ventral photoreceptors of… Expand
A Visual Pigment with Two Physiologically Active Stable States
TLDR
Red illumination of a Balanus amphitrite photoreceptor that has been adapted to blue light leads to prolonged depolarization in the late receptor potential, which apparently contribute antagonistically to the early receptor potential. Expand
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The "olfactory nerve," the endoparietal eye, and the rudimentary lateral eyes of Limulus (polyphemus) contain simple photoreceptor cells that duplicate many of the electrical responses of the… Expand
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