What are emotions and how are they created in the brain?

Citation: Lindquist, K. A., Wager, T. D., Bliss-Moreau, E., Kober, H., Barrett, L. F. (2012). What are emotions and how are they created in the brain? Behavioral and Brain Sciences. 35(3): p. 172-202. [Authors' response to comments]

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Abstract:

In our response, we clarify important theoretical differences between basic emotion and psychological construction approaches. We evaluate the empirical status of the basic emotion approach, addressing whether it requires brain localization, whether localization can be observed with better analytic tools, and whether evidence for basic emotions exists in other types of measures. We then revisit the issue of whether the key hypotheses of psychological construction are supported by our meta-analytic ?ndings. We close by elaborating on commentator suggestions for future research.