Zobrazeno 1 - 10 of 122 pro vyhledávání: '"Juan D. Delius"'
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Akademický článek
Symmetry recognition by pigeons: Generalized or not?
Autor: Juan D Delius, Julia A M Delius, Jennifer M Lee
Publikováno v: PLoS ONE, Vol 12, Iss 11, p e0187541 (2017)
This note looks into the reasons why earlier reports may have arrived at differing conclusions about pigeons' capacity to categorize bilaterally symmetric and asymmetric visual patterns. Attention is drawn to pigeons' comparatively superior visual fl
Externí odkaz: https://doaj.org/article/723b46ab9777420cbf74e3b47d248075
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4
The behaviour of skylarks
Autor: Juan D. Delius, Julia A. M. Delius
Publikováno v: OSF Preprints
A population of individually marked skylarks was studied by Juan D. Delius over four breeding seasons in Ravenglass, Cumbria, England. The original publication of his findings on their behaviour was published in German (Delius, 1963). Here, the artic
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::08f584c2de5b0eb217ddfff3c71a2944
https://hdl.handle.net/21.11116/0000-0008-852C-121.11116/0000-0008-852E-F
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5
Eyelid squinting during food-pecking in pigeons
Autor: Joachim Ostheim, Juan D. Delius, Julia A. M. Delius
Publikováno v: Journal of Experimental Biology
The visual control of pecking by pigeons (Columba livia) has latterly been thought to be restricted to the fixation stops interrupting their downward head movements because these stops prevent interference by motion blur. Pigeons were also assumed to
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7ac5778006bc639eda5623b93cc3071d
https://hdl.handle.net/21.11116/0000-0006-DFD1-321.11116/0000-0006-4318-4
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7
Systematic analysis of pigeons' discrimination of pixelated stimuli: A hierarchical pattern recognition system is not identifiable
Autor: Juan D. Delius, Julia A. M. Delius
Publikováno v: Scientific Reports
Scientific Reports, Vol 9, Iss 1, Pp 1-24 (2019)
Pigeons learned to discriminate two different patterns displayed with miniature light-emitting diode arrays. They were then tested with 84 interspersed, non-reinforced degraded pattern pairs. Choices ranged between 100% and 50% for one or other of th
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid_dedup__::6b95af3ac3a691c886ea8242a8a04c75
https://hdl.handle.net/21.11116/0000-0005-1895-821.11116/0000-0005-1897-6
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8
Sensitization to apomorphine in pigeons
Autor: Martin J. Acerbo, Ines Krug, Juan D. Delius, Rita Leydel, Jennifer M. Lee
Publikováno v: Behavioural Pharmacology. 26:139-158
Apomorphine (apo), an unspecific direct dopamine agonist, elicits an intense and lasting pecking bout in pigeons. Apo yielded orderly dose–response functions, and repeated administrations led to sensitization. Strain and individual differences in s
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e818c50a671eeb6b457b9617f9077f2c
https://doi.org/10.1097/fbp.0000000000000087
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