1. Abraham, Anna. 2016. “The Imaginative Mind.” Human Brain Mapping 37: 4197–4211. https://doi.org/10.1002/hbm.23300.
2. Andrews-Hanna, Jessica R., Jonathan Smallwood, and R. Nathan Spreng. 2014. “The Default Network and Self-Generated Thought: Component Processes, Dynamic Control, and Clinical Relevance.” Annals of the New York Academy of Sciences 1316 (1): 29–52. https://doi.org/10.1111/nyas.12360.
3. Appleman, Philip, ed. 1970. Darwin: A Norton Critical Edition. New York: Norton.
4. Asma, Stephen T. 2017. The Evolution of Imagination. Chicago: University of Chicago Press.
5. Barrett, H. Clark, Leda Cosmides, and John Tooby. 2007. “The Hominid Entry into the Cognitive Niche.” In The Evolution of Mind: Fundamental Questions and Controversies, edited by Steven W. Gangestad and Jeffry A. Simpson, 241–49. New York: Guilford Press.