Framework for affective style measurement driven animal welfare research: Relationship between the farm animal emotional lateralization, animal welfare and the affective states. Lateralization: Asymmetrical representation of the control of emotions and processing in the animal brain. BIS—behavioural inhibition system; BAS—behavioural activation system. BIS—Behavioural Inhibition System; BAS—Behavioural Activation System. Reprinted from [44] Applied Animal Behaviour Science 237, 105279, Goursot, C.; Düpjan, S.; Puppe, B.; Leliveld, L. M. Affective styles and emotional lateralization: A promising framework for animal welfare research, 2021, Creative Commons Attribution (CC BY 4.0). https://doi.org/10.1016/j.applanim.2021.105279 (accessed on 2 October 2021). Text in the right hand box was changed from “Individualized welfare” to “Quantified Animal Welfare”.