Diel and infradian (7-day) activity rhythms in Mexican spider monkeys (Ateles geoffroyi) kept with and without visitor contact

Authors: Jairo Muñoz-Delgado, Sergio Pérez-Galicia, José Carlos Sánchez-Ferrer, Domingo Canales Espinosa, Hans G. Erkert

Publication/Journal: American Journal of Primatology

Keywords: activity pattern, circadian rhythm, circaseptan rhythm, masking effect, zoo visitor effect

2018

“I am going to groom you”: Multiple forms of play fighting in gray mouse lemurs (Microcebus murinus)

Authors: Sergio M. Pellis, Vivien C. Pellis

Publication/Journal: Journal of Comparative Psychology

Keywords: animal aggressive behavior, animal grooming behavior, animal play, animal sexual behavior, lemurs

2018

Visitor effect on the behavior of a group of spider monkeys (Ateles geoffroyi) maintained at an island in Lake Catemaco, Veracruz/Mexico

Authors: Sergio Pérez-Galicia, Manuel Miranda-Anaya, Domingo Canales-Espinosa, Jairo Muñoz-Delgado

Publication/Journal: Zoo Biology

Keywords: actimetry, activity response, behavioral changes, captivity

2017

What is play fighting and what is it good for?

Authors: Sergio M. Pellis, Vivien C. Pellis

Publication/Journal: Learning & Behavior

Keywords: reciprocity, tactics, targets

2017

Electrocardiography in conscious releasable andean condors (Vultur gryphus): Reference panel and unusual findings

Authors: Guillermo M. Wiemeyer, Sergio A. Lambertucci, Laura Torres Bianchini, Guillermo Belerenian

Publication/Journal: Zoo Biology

Keywords: avian cardiology, condor, ecg, electrocardiogram, scavenger

2013

How domestication modulates play behavior: A comparative analysis between wild rats and a laboratory strain of Rattus norvegicus

Authors: Brett T. Himmler, Rafal Stryjek, Klaudia Modlinska, Stephanie M. Derksen, Wojciech Pisula, Sergio M. Pellis

Publication/Journal: Journal of Comparative Psychology

Keywords: animal domestication, animal play, animal strain differences, rats

2013

Circadian rhythms in metabolic variables in Caenorhabditis elegans

Authors: María Laura Migliori, Sergio H. Simonetta, Andrés Romanowski, Diego A. Golombek

Publication/Journal: Physiology & Behavior

Keywords: caenorhabditis elegans, circadian rhythm, metabolic variables

2011

Comparison of salivary cortisol concentrations in Jaguars kept in captivity with diff exposures to public

Authors: Julio Cesar Montanha, Sergio Leme Silva, Veanner Boere

Publication/Journal: Ciencia Rural

Keywords: jaguar, salivary cortisol, welfare

2009

Paradoxical sleep deprivation activates hypothalamic nuclei that regulate food intake and stress response

Authors: Milene de Oliveira Lara Galvão, Rita Sinigaglia-Coimbra, Suzi Emiko Kawakami, Sergio Tufik, Deborah Suchecki

Publication/Journal: Psychoneuroendocrinology

Keywords: food intake, hpa axis, hypothalamus, orexin, paradoxical sleep deprivation, stress

2009