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Abstract:

A shadow moving overhead acts as a danger stimulus and elicits an escape response in the crab Chasmagnathus granulatus that habituates after 15 trials and for a long period. A shorter training of ten trials fails to induce long-term habituation; however, a good retention of the habituated response is manifest after a 24-h interval when angiotensin II (AII) (10-6 M, 3 ng/g) is injected post-training. By contrast, no amnestic effect of AII was found even though high doses were administered. The facilitatory effect of AII is suppressed by saralasin (10-7 M, 0.3 ng/g), a specific angiotensin II receptor antagonist. Results are considered as suggesting that angiotensin on memory processes might have emerged early in evolution. © 1995 Elsevier Science Ireland Ltd. All rights reserved.

Registro:

Documento: Artículo
Título:Acute administration of angiotensin II improves long-term habituation in the crab Chasmagnathus
Autor:Delorenzi, A.; Pedreira, M.E.; Romano, A.; Pirola, C.J.; Nahmod, V.E.; Maldonado, H.
Filiación:Laboratorio de Fisiologia del Comportamiento Animal, Facultad de Ciencias Exactas y Naturales, Depto Biologia, 1428 Buenos Aires, Argentina
Laboratorio de Sustancias Vasoactivas, Instituto de Investigaciones Médicas, Facultad de Medicina, Buenos Aires, Argentina
Palabras clave:Angiotensin II; Chasmagnathus; Crab; Invertebrates; Learning; Memory; Receptors; Saralasin; angiotensin; angiotensin antagonist; angiotensin receptor; saralasin; animal experiment; article; behavior; controlled study; crab; habituation; learning; memory; nonhuman; priority journal; Angiotensin II; Animal; Brachyura; Habituation (Psychophysiology); Receptors, Angiotensin; Retention (Psychology); Saralasin; Time Factors
Año:1995
Volumen:196
Número:2
Página de inicio:193
Página de fin:196
DOI: http://dx.doi.org/10.1016/0304-3940(95)11876-X
Título revista:Neuroscience Letters
Título revista abreviado:Neurosci. Lett.
ISSN:03043940
CODEN:NELED
CAS:angiotensin, 11128-99-7, 1407-47-2; saralasin, 34273-10-4; Angiotensin II, 11128-99-7; Receptors, Angiotensin; Saralasin, 34273-10-4
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_03043940_v196_n2_p193_Delorenzi

Referencias:

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Citas:

---------- APA ----------
Delorenzi, A., Pedreira, M.E., Romano, A., Pirola, C.J., Nahmod, V.E. & Maldonado, H. (1995) . Acute administration of angiotensin II improves long-term habituation in the crab Chasmagnathus. Neuroscience Letters, 196(2), 193-196.
http://dx.doi.org/10.1016/0304-3940(95)11876-X
---------- CHICAGO ----------
Delorenzi, A., Pedreira, M.E., Romano, A., Pirola, C.J., Nahmod, V.E., Maldonado, H. "Acute administration of angiotensin II improves long-term habituation in the crab Chasmagnathus" . Neuroscience Letters 196, no. 2 (1995) : 193-196.
http://dx.doi.org/10.1016/0304-3940(95)11876-X
---------- MLA ----------
Delorenzi, A., Pedreira, M.E., Romano, A., Pirola, C.J., Nahmod, V.E., Maldonado, H. "Acute administration of angiotensin II improves long-term habituation in the crab Chasmagnathus" . Neuroscience Letters, vol. 196, no. 2, 1995, pp. 193-196.
http://dx.doi.org/10.1016/0304-3940(95)11876-X
---------- VANCOUVER ----------
Delorenzi, A., Pedreira, M.E., Romano, A., Pirola, C.J., Nahmod, V.E., Maldonado, H. Acute administration of angiotensin II improves long-term habituation in the crab Chasmagnathus. Neurosci. Lett. 1995;196(2):193-196.
http://dx.doi.org/10.1016/0304-3940(95)11876-X