Andreas, the existing research is vast and growing. I hope the following systematic reviews maybe of help for your chapter:
Betjemann, R. S., Johnson, E. P., Barnard, H., Boada, R., Filley, C. M., Filipek, P. A., … Pennington, B. F. (2010). Genetic covariation between brain volumes and IQ, reading performance, and processing speed. Behavior Genetics, 40(2), 135–145. doi:10.1007/s10519-009-9328-2
Nisbett, R. E., Aronson, J., Blair, C., Dickens, W., Flynn, J., Halpern, D. F., & Turkheimer, E. (2012, January 2). Intelligence: New Findings and Theoretical Developments. American Psychologist. Advance online publication. doi: 10.1037/a0026699
Joaquim Radua, Natalia Ojeda del Pozo, José Gómez, Francisco Guillen-Grima, Felipe Ortuño, Meta-analysis of functional neuroimaging studies indicates that an increase of cognitive difficulty during executive tasks engages brain regions associated with time perception, Neuropsychologia, Volume 58, May 2014, Pages 14-22, ISSN 0028-3932, http://dx.doi.org/10.1016/j.neuropsychologia.2014.03.016.