Release from restraint generates a positive judgement bias in sheep

Assessment of positive emotions in animals to improve their welfare

Alain Boissy, Gerhard Manteuffel, Margit Bak Jensen et al. · Physiology & Behavior · 2007 · 1.4K citations

Agriculture, Animal Sciences, Psychology +12

Cognitive bias and affective state

Emma J. Harding, Elizabeth S. Paul, Michael Mendl · Nature · 2004 · 829 citations

Social Sciences, Psychology, Social Psychology +12

Cognitive bias as an indicator of animal emotion and welfare: Emerging evidence and underlying mechanisms

Michael Mendl, Oliver H. P. Burman, Randall M. Parker et al. · Applied Animal Behaviour Science · 2009 · 748 citations · Full text

Social Sciences, Behavioral Sciences, Psychology +17

A concept of welfare based on reward evaluating mechanisms in the brain: anticipatory behaviour as an indicator for the state of reward systems

Berry M. Spruijt, Ruud van den Bos, Femke Buisman‐Pijlman · Applied Animal Behaviour Science · 2001 · 434 citations

Life Sciences, Neuroscience, Psychology +9

Emotions in farm animals:

Lara Désiré, Alain Boissy, Isabelle Veissier · Behavioural Processes · 2002 · 308 citations

Humanities, Animal Sciences, Psychology +8