Author pages are created from data sourced from our academic publisher partnerships and public sources.
- Publications
- Influence
Independent Codes for Spatial and Episodic Memory in Hippocampal Neuronal Ensembles
- M. Andersson, V. C. Almada, E. Gonçalves, R. F. Oliveira, A. J. Santos
- Psychology
- 2005
- 181
- 31
Social behavior in context: Hormonal modulation of behavioral plasticity and social competence.
- R. F. Oliveira
- Psychology, Medicine
- Integrative and comparative biology
- 1 October 2009
In social species animals should fine-tune the expression of their social behavior to social environments in order to avoid the costs of engaging in costly social interactions. Therefore, social… Expand
Why do winners keep winning? Androgen mediation of winner but not loser effects in cichlid fish
- R. F. Oliveira, A. Silva, A. Canário
- Psychology, Medicine
- Proceedings of the Royal Society B: Biological…
- 22 June 2009
Animal conflicts are influenced by social experience such that a previous winning experience increases the probability of winning the next agonistic interaction, whereas a previous losing experience… Expand
Social modulation of androgen levels in male teleost fish.
- R. F. Oliveira, K. Hirschenhauser, L. A. Carneiro, A. Canário
- Biology, Medicine
- Comparative biochemistry and physiology. Part B…
- 1 May 2002
Androgens are classically thought of as the sex steroids controlling male reproduction. However, in recent years evidence has accumulated showing that androgens can also be affected by the… Expand
The effect of an audience on intrasexual communication in male Siamese fighting fish, Betta splendens
- C. Doutrelant, P. McGregor, R. F. Oliveira
- Biology
- 1 May 2001
The evolution of signals has mainly been considered in the context of an emitter–receiver dyadic interaction. However, communication usually occurs in the presence of individuals (an audience) that… Expand
Social modulation of androgens in male vertebrates: meta-analyses of the challenge hypothesis
- K. Hirschenhauser, R. F. Oliveira
- Biology
- Animal Behaviour
- 1 February 2006
The challenge hypothesis (Wingfield et al. 1990, American Naturalist, 136, 829–846) predicts varying androgen responses to mating, breeding or territorial behaviour in avian males. At the… Expand
A test of the ‘challenge hypothesis’ in cichlid fish: simulated partner and territory intruder experiments
- K. Hirschenhauser, M. Taborsky, T. Oliveira, A. V. Canário, R. F. Oliveira
- Biology
- Animal Behaviour
- 1 October 2004
In male birds, the responsiveness of androgens to sexual and territorial behaviour is predicted to vary with mating system and the degree of paternal investment (‘challenge hypothesis’, CH; Wingfield… Expand
Alternative Reproductive Tactics: Hormones and alternative reproductive tactics in vertebrates
- R. F. Oliveira, A. Canário, A. Ros
- Biology
- 2008
Patterns of diversity of the north-eastern Atlantic blenniid fish fauna (Pisces: Blenniidae)
- V. C. Almada, R. F. Oliveira, Emanuel João Gonçalves, A. Almeida, R. S. Santos, Peter Wirtz
- Geography
- 1 July 2001
This paper presents an analysis of the distributional patterns of blenniids (Pisces: Blenniidae) in the north-eastern Atlantic. Two peaks of species diversity were found, both in terms of number of… Expand
Social Modulation of Sex Steroid Concentrations in the Urine of Male Cichlid FishOreochromis mossambicus
- R. F. Oliveira, V. Almada, A. Canário
- Biology, Medicine
- Hormones and Behavior
- 1 March 1996
The relationship between urinary concentrations (free + sulfates + glucuronides) of the steroids testosterone (T), 11-ketotestosterone (11KT), 17 alpha, 20 beta-dihydroxy-4-pregnen-3-one (17, 20… Expand