Thirst and prediction
A note for Lesson no. 4, "Your Brain Predicts (Almost) Everything You Do," in Lisa Feldman Barrett.
Some context from page 72 is:
Water can’t possibly quench your thirst in a few seconds. So what relieved your thirst? Prediction.
See these references.
Similarly, when you ingest caffeine, you may feel alert before it has an effect on you.
- Zimmerman , Christopher A., Yen-Chu Lin, David E. Leib, Ling Guo, Erica L. Huey, Gwendolyn E. Daly, Yiming Chen, and Zachary A. Knight. 2016. “Thirst Neurons Anticipate the Homeostatic Consequences of Eating and Drinking.” Nature 537: 680–684.
- E.g., Dawkins, Lynne, Fatima-Zahra Shahzad, Suada S. Ahmed, and Caroline J. Edmonds. 2011. "Expectation of Having Consumed Caffeine Can Improve Performance and Mood." Appetite 57 (3): 597–600.