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Tomsic, D.; Dimant, B.; Maldonado, H. "Age-related deficits of long-term memory in the crab Chasmagnathus" (1996) Journal of Comparative Physiology A: Sensory, Neural, and Behavioral Physiology. 178(1):139-146
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Abstract:

Short- and long-term memory in adult crabs Chasmagnathus granulatus of different age are evaluated in two learning paradigms: habituation to a visual danger stimulus and appetitive conditioning. No difference between young, middle-aged and aged animals is found in short-term habituation with 15 training trials. A good level of retention of the habituated response at 24 h is exhibited by young and middle-aged crabs but a poor one by aged crabs. When the training-to-testing interval is lengthened to 48 h or the training session reduced to 7 trials, young and middle-aged crabs continue to show long-term habituation but aged individuals exhibit no retention at all. As regards appetitive conditioning, young, middle-aged and aged crabs present similar short-term memory with 5 training trials and similar long-term memory when tested at 24 h, but an age-related deficit in long-term retention is exhibited when the intersession interval is lengthened to 48 h or the training reduced to 3 trials. Thus, a reduction of long-term memory related to age is demonstrated in the crab Chasmagnathus. Since it is shown in two different learning paradigms, the possibility of explaining the deficit in terms of a failure in memory mechanisms due to aging rather than as a consequence of ontogenetic shift in the crab's behavior is discussed.

Registro:

Documento: Artículo
Título:Age-related deficits of long-term memory in the crab Chasmagnathus
Autor:Tomsic, D.; Dimant, B.; Maldonado, H.
Filiación:Lab. Fisiol. Comportamiento Anim., Departamento Biología, Ciudad Universitaria, 1428 Buenos Aires, Argentina
Palabras clave:Aging; Appetitive conditioning; Habituation; Invertebrates; Memory
Año:1996
Volumen:178
Número:1
Página de inicio:139
Página de fin:146
DOI: http://dx.doi.org/10.1007/BF00189598
Título revista:Journal of Comparative Physiology A: Sensory, Neural, and Behavioral Physiology
Título revista abreviado:J. Comp. Physiol. A Sens. Neural. Behav. Physiol.
ISSN:03407594
CODEN:JCPAD
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_03407594_v178_n1_p139_Tomsic

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Citas:

---------- APA ----------
Tomsic, D., Dimant, B. & Maldonado, H. (1996) . Age-related deficits of long-term memory in the crab Chasmagnathus. Journal of Comparative Physiology A: Sensory, Neural, and Behavioral Physiology, 178(1), 139-146.
http://dx.doi.org/10.1007/BF00189598
---------- CHICAGO ----------
Tomsic, D., Dimant, B., Maldonado, H. "Age-related deficits of long-term memory in the crab Chasmagnathus" . Journal of Comparative Physiology A: Sensory, Neural, and Behavioral Physiology 178, no. 1 (1996) : 139-146.
http://dx.doi.org/10.1007/BF00189598
---------- MLA ----------
Tomsic, D., Dimant, B., Maldonado, H. "Age-related deficits of long-term memory in the crab Chasmagnathus" . Journal of Comparative Physiology A: Sensory, Neural, and Behavioral Physiology, vol. 178, no. 1, 1996, pp. 139-146.
http://dx.doi.org/10.1007/BF00189598
---------- VANCOUVER ----------
Tomsic, D., Dimant, B., Maldonado, H. Age-related deficits of long-term memory in the crab Chasmagnathus. J. Comp. Physiol. A Sens. Neural. Behav. Physiol. 1996;178(1):139-146.
http://dx.doi.org/10.1007/BF00189598