Retention of One-Trial Learning in Neonate, Young Adult, and Aged Japanese Quail

Meinecke, R

doi:10.1093/geronj/29.2.172

Cited by 6 publications

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“…Concerning age effects, we had the impression that the readiness of the birds to learn the task decreased with age in contrast to the notion of Meinecke [28] who claimed that very young quail chicks were inferior concerning aspects of one trial avoidance tasks. Such decrease is plausible because quails are known for very fast aging (life span is between 2 and 3 years, adulthood reached with 64 days) and clear aging effects [33].…”

Section: Discussionmentioning

confidence: 66%

“…One of the reasons for using Japanese quails was our belief that comparative experiments strongly enhance the universal validity of scientific findings. More important, however, was the idea that there might be differences between very young animals as used in the domestic chick studies and adult birds [28]. Because of the size difference between adult domestic chicks and quails, we preferred the latter because small birds are much easier to keep and to handle in experiments.…”

Section: Introductionmentioning

confidence: 99%

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Spatial Orientation in Japanese Quails (Coturnix coturnix japonica)

2011

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Finding a given location can be based on a variety of strategies, for example on the estimation of spatial relations between landmarks, called spatial orientation. In galliform birds, spatial orientation has been demonstrated convincingly in very young domestic chicks. We wanted to know whether adult Japanese quails (Coturnix coturnix japonica) without food deprivation are also able to use spatial orientation. The quails had to learn the relation of a food location with four conspicuous landmarks which were placed in the corners of a square shaped arena. They were trained to find mealworms in three adjacent food cups in a circle of 20 such cups. The rewarded feeders were located during training between the same two landmarks each of which showed a distinct pattern. When the birds had learned the task, all landmarks were displaced clockwise by 90 degrees. When tested in the new situation, all birds redirected their choices with respect to the landmark shift. In subsequent tests, however, the previously correct position was also chosen. According to our results, quails are using conspicuous landmarks as a first choice for orientation. The orientation towards the previously rewarded location, however, indicates that the neuronal representation of space which is used by the birds also includes more fine grain, less conspicuous cues, which are probably also taken into account in uncertain situations. We also presume that the rare orientation towards never rewarded feeders may be due to a foraging strategy instead of being mistakes.

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Section: Discussionmentioning

confidence: 66%

Section: Introductionmentioning

confidence: 99%

Spatial Orientation in Japanese Quails (Coturnix coturnix japonica)

2011

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“…Another important consideration is that there is evidence that quail show developmental changes in learning. Meinecke (1974) found ontogenetic differences in one-trial conditioned taste aversions in quail tested between 1 day and 104 weeks of age. The results of this study lead the author to recommend enthusiastically that "This rapidly aging avian species and simple one-trial learning paradigm provide a useful model of age-dependence of memory processing" (Meinecke, 1974, pp.…”

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confidence: 80%

“…Meinecke (1974) was successful in demonstrating peck suppression in quail as young as 1 day old, but we wanted to minimize the possibility of testing at too young an age for CPP to be detected. Consequently, we somewhat arbitrarily decided to use 12-day-old quail.…”

Section: Methodsmentioning

confidence: 99%

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Conditioned place preference in 12-day-old Japanese quail

1997

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Effects of anisomycin on brain protein synthesis and passive avoidance learning in newborn chicks

1976

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The effects of anisomycin (ANM) on newborn chicks have been studied with respect to brain protein synthesis, growth, EEG, toxicity, and several passive avoidance learning tasks. It was found that intracerebral ANM (80 nmol) gave a maximum inhibition of brain protein synthesis of 30%, while a combination of subcutaneous (10 mumol; 53 mg/kg) plus intracerebral (80 nmol; 21 mug) ANM inhibited by 91% in the first 2 hr and by 75% in the subsequent 2 hr period. Cycloheximide (CXM) also in combined injections at the same doses as ANM, inhibited by 97% in the 4 hr that followed injection. However, all the CXM-injected chicks were dead by 18 hr, while the lethality of ANM did not differ from that of saline. ANM also did not affect EEG measured at 1, 3, 5, or 24 hr following the subcutaneous plus intracerebral injections, nor did ANM affect body or brain growth curves or brain protein accretion. In the learning experiments, animals were initially trained to peck at water-coated metal spheres (type A learning) or at water imbibed birdseed (types B and C learning) in less than 1 sec, and were exposed to the same lures treated with the aversant methylanthranilate (MeA) one day later on one occasion (types A and B learning) or exposed twice (type C learning) and tested for learning retention one day later. Learning criterion was set as failure to peck at the lure during the first 20 sec of presentation. If ANM was injected 1 hr prior to MeA exposure, large and highly significant memory deficits were found during the retention test, as compared with saline injected controls. No effect of ANM was seen, however, if it was injected one day after learning, indicating that it did not interfere with retrieval mechanisms. ANM also decreased the external manifestations of fear or displeasure that chicks express during retention testing. Such manifestations have a high correlation with pecking suppression (r = 0.88, P less than 0.001).

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Retention of One-Trial Learning in Neonate, Young Adult, and Aged Japanese Quail

Cited by 6 publications

References 0 publications

Spatial Orientation in Japanese Quails (Coturnix coturnix japonica)

Spatial Orientation in Japanese Quails (Coturnix coturnix japonica)

Conditioned place preference in 12-day-old Japanese quail

Effects of anisomycin on brain protein synthesis and passive avoidance learning in newborn chicks

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