Inertial Guidance System in the Orientation of the Goldfish (Carassius auratus)

Kleerekoper, H.; Timms, A. M.; Westlake, G. F.; Davy, F. Brian; Malar, T.; Anderson, V.

doi:10.1038/223501a0

Cited by 30 publications

(12 citation statements)

References 2 publications

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“…It is probable that the disagreement of our results with the data obtained earlier [6] is to a certain extent related to the age of the tested fishes; the cited study was carried out on adult individuals. At the same time, it is known that in many animals the asymmetry of motor behavior, vice versa, increases with age [5].…”

Section: Resultscontrasting

confidence: 61%

“…This model of motor behavior is probably simpler and more reliable than using a T-or Y-like labyrinth. Earlier, goldfishes were believed to be "equipotential" in their free movement [6]. There are nearly no data on other fish species, but the river loach was reported to demonstrate a clear left-side asymmetry in the turning choice in a Y-like labyrinth [9].…”

Section: Resultsmentioning

confidence: 99%

“…We measured these motor phenomena using the technique of estimating the motor behavior in a narrow ring channel, which was developed in our laboratory [12,13]. Earlier, studies of free locomotor behavior of the goldfish failed to demonstrate a significant asymmetry of the choice of movement direction [6]; nonetheless, our preliminary experiments showed that some asymmetry can be revealed within the framework of a certain paradigm. In this work, we examine this question in more detail [14].…”

Section: Introductionmentioning

confidence: 97%

“…In general, the morphology of brain hemispheres is usually supposed to be initially symmetric [5], and spatial selection of directions of movement by sufficiently great samplings of untrained animals is believed to be equiprobable and stable, despite the existence of individual differences, and it cannot be modified by experimental influences [6,7]. At the same time, motor learning of the animal can show a clear preference for the turning side in the labyrinth; this phenomenon is supposed to be based on stable changes in the efficiency of influences and/ or level of activity of one motor center with respect to another ("mirror" with respect to the above center).…”

Section: Introductionmentioning

confidence: 99%

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Asymmetry of Motor Behavior of the Goldfish in a Narrow Channel

et al. 2005

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We studied swimming of goldfish fries about 3 cm long in a narrow channel by calculating the numbers of spontaneous turns on different sides. The ratio of fishes preferring to turn to the right vs to the left was 1.5: 1.0, respectively; two-thirds of the fishes demonstrated an ambilateral behavior. Experiments with compulsory 10-min-long rotation of the fishes (clockwise around the longitudinal body axis for fishes preferring right-side turns and anticlockwise for fishes preferring left-side turns) showed that the behavioral asymmetry smoothed somewhat after such a procedure, and a greater number of the fishes became ambilateral in their preference to turn to one side or another. After a one-or two-day-long test, the initial asymmetry of motor behavior completely recovered. Compulsory rotation of similar fishes in the opposite direction exerted no influence on the asymmetry in the choice of the turning direction. Adaptation-induced training of the fishes (using fatiguing long-lasting vestibular stimulation) resulted in some smoothing of motor asymmetry but did not change its general pattern. Thus, our findings allow us to believe that a noticeable proportion of the goldfish individuals (similarly to other animals and humans) is characterized by an innate asymmetry of the motor function with a clear preference for either right-or left-side turnings. These relations can be smoothed under experimental influences but are recovered later on, i.e., they are stable and are not fundamentally transformed. We assume that the asymmetry of motor behavior of fishes in a narrow channel can be an adequate pre-requisite for further examination of the asymmetry of the brain and motor centers controlling changes in locomotion (body turnings)

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Section: Resultscontrasting

confidence: 61%

Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 97%

Section: Introductionmentioning

confidence: 99%

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Asymmetry of Motor Behavior of the Goldfish in a Narrow Channel

et al. 2005

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“…Also, despite the significance of the angle sense in producing oriented locomotion in fish (Kapoor and Kleerekoper, 1970;Kleerekoper, 1977), few studies have examined the spontaneous orientation (turning behavior) of fish in response to constant environmental cues or non-directional stimuli (Kleerekoper, 1967a, b;Kleerekoper et al, 1969;Kapoor and Kleerekoper, 1970;Kleerekoper et al, 1970;Matis et al, 1974). The alteration of angular orientation in response to non-directional light stimuli has been studied in rock bass, Ambloplites rupestris, pumpkinseed sunfish, Lepomis gibbosus, rainbow trout, Salmo gairdneri irideus, and brown bullhead, /.…”

Section: Introductionmentioning

confidence: 99%