Covariation of Alternative Measures of Responding in Rabbit (Oryctolagus cuniculus ) Eyeblink Conditioning During Acquisition Training and Tone Generalization

The likelihood, size, and speed of eyelid movements are thought to covary during the acquisition and expression of conditioning in rabbits ( Oryctolagus cuniculus ) and are generally accepted as interchangeable measures of the associative strength activated by the conditioned stimulus (CS). To test...

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Bibliographic Details
Published in:Behavioral neuroscience 2003-04, Vol.117 (2), p.292-303
Main Authors: Garcia, Keith S, Mauk, Michael D, Weidemann, Gabrielle, James Kehoe, E
Format: Article
Language:English
Subjects:
Acoustic Stimulation
Animal
Animal behavior
Animals
Auditory Stimulation
Biological and medical sciences
Brain
Conditioned Stimulus
Conditioning
Conditioning, Classical - physiology
Conditioning, Eyelid - physiology
Electroshock
Eye Movements
Eye Movements - physiology
Eyelid Conditioning
Female
Fundamental and applied biological sciences. Psychology
Generalization (Psychology) - physiology
Learning. Memory
Male
Neurology
Nictitating Membrane
Nictitating Membrane - physiology
Photic Stimulation
Psychology. Psychoanalysis. Psychiatry
Psychology. Psychophysiology
Rabbits
Reaction Time - physiology
Retention (Psychology) - physiology
Stimulus Generalization
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Summary:The likelihood, size, and speed of eyelid movements are thought to covary during the acquisition and expression of conditioning in rabbits ( Oryctolagus cuniculus ) and are generally accepted as interchangeable measures of the associative strength activated by the conditioned stimulus (CS). To test this assumption, the authors examined the patterns of covariation in these eyelid movement measures in acquisition and stimulus generalization in the upper eyelid and nictitating membrane. Rather than the expected covariation among these measures, eyelid movement magnitudes during the CS were distributed in approximately a bimodal manner. That is, eyelid activity consisted largely of a mixture of very small (< 0.125 mm) baseline measurements and larger (> 1 mm) movements. The results are discussed with respect to their implications for real-time models of eyelid conditioning.
ISSN:0735-7044
1939-0084
DOI:10.1037/0735-7044.117.2.292