Testosterone release and social context: when it occurs and why

ED Gleason, MJ Fuxjager, TO Oyegbile… - Frontiers in …, 2009 - Elsevier
The functions of rapid increases in testosterone seem paradoxical because they can occur
in response to different social contexts, such as male–male aggressive encounters and male …

Systems biology as a framework to understand the physiological and endocrine bases of behavior and its evolution—From concepts to a case study in birds

MJ Fuxjager, TB Ryder, NM Moody, C Alfonso… - Hormones and …, 2023 - Elsevier
Organismal behavior, with its tremendous complexity and diversity, is generated by
numerous physiological systems acting in coordination. Understanding how these systems …

Winning territorial disputes selectively enhances androgen sensitivity in neural pathways related to motivation and social aggression

MJ Fuxjager, RM Forbes-Lorman… - Proceedings of the …, 2010 - National Acad Sciences
Winning aggressive disputes can enhance future fighting ability and the desire to seek out
additional contests. In some instances, these effects are long lasting and vary in response to …

Heritability of boldness and aggressiveness in the zebrafish

TO Ariyomo, M Carter, PJ Watt - Behavior genetics, 2013 - Springer
Behavioural traits that are consistent over time and in different contexts are often referred to
as personality traits. These traits influence fitness because they play a major role in foraging …

Mirror, mirror on the wall: the predictive value of mirror tests for measuring aggression in fish

V Balzarini, M Taborsky, S Wanner, F Koch… - Behavioral ecology and …, 2014 - Springer
The behaviour of animals towards their mirror image (“mirror test”) is routinely used as a
proxy to measure aggression levels, especially in fish. The lack of evidence for visual self …

Social opportunity causes rapid transcriptional changes in the social behaviour network of the brain in an African cichlid fish

KP Maruska, A Zhang, A Neboori… - Journal of …, 2013 - Wiley Online Library
Animals constantly integrate external stimuli with their own internal physiological state to
make appropriate behavioural decisions. Little is known, however, about where in the brain …

The 'home advantage'is necessary for a full winner effect and changes in post-encounter testosterone

MJ Fuxjager, G Mast, EA Becker, CA Marler - Hormones and behavior, 2009 - Elsevier
Winning aggressive contests can both enhance future winning ability and change post-
encounter hormones; however, it remains unclear if the context of a fight also influences …

Is the mirror test a valid measure of fish sociability?

S Cattelan, T Lucon-**ccato, A Pilastro, M Griggio - Animal behaviour, 2017 - Elsevier
Highlights•Sociability can vary greatly between species, populations and even individuals.•
Quantifying the attraction to a shoal is often used to measure sociability.•The mirror test is …

How and why the winner effect forms: influences of contest environment and species differences

MJ Fuxjager, CA Marler - Behavioral Ecology, 2010 - academic.oup.com
Winning aggressive social encounters can enhance the probability of future victories. This
so-called winner effect occurs in diverse species and is thought to be an intrinsic …

Social plasticity in fish: integrating mechanisms and function

RF Oliveira - Journal of Fish Biology, 2012 - Wiley Online Library
Social plasticity is a ubiquitous feature of animal behaviour. Animals must adjust the
expression of their social behaviour to the nuances of daily social life and to the transitions …