The drill that you did in Chapter 1 is an example of "Sensory Integration" that gets the visual, vestibular, and proprioceptive systems accurate, both individually and in combination.
I have a few sources where I have learned this...the most notable is Z-Health Education. Before COVID, I did joint events with them that I invited my subscribers to. We hope to do them again in the future.
If you want to work on upregulating vision, balance, hand-eye coordination, or foot-eye coordination beyond what we cover in the book, you may be a good fit for private coaching. To find out, go >HERE< and let me know what you're trying to accomplish.
Studies, Papers, and Other References
(1) Sarlegna, Fabrice R., and Pratik K. Mutha. “The Influence of Visual Target Information on the Online Control of Movements.” Vision Research, vol. 110, May 2015, pp. 144–54.
(2) Raichle, Marcus E., and Debra A. Gusnard. “Appraising the
Brain’s Energy Budget.” Proceedings of the National Academy of
Sciences of the United States of America, vol. 99, no. 16, Aug.
2002, pp. 10237–39. PubMed Central, https://doi.org/10.1073/
(3) Optimal Response of Eye and Hand Motor Systems in Pointing
at a Visual Target | SpringerLink. https://link.springer.com/
(4) Shumway-Cook, Anne, et al. “The Effect of
Multidimensional Exercises on Balance, Mobility, and Fall Risk
in Community-Dwelling Older Adults.” Physical Therapy, vol.
77, no. 1, Jan. 1997, pp. 46–57. DOI.org (Crossref), https://doi.
(5) Cheng, Kelvin, and Masahiro Takatsuka. “Hand
Pointing Accuracy for Vision-Based Interactive Systems.”
Human-Computer Interaction – INTERACT 2009, edited by
Tom Gross et al., Springer, 2009, pp. 13–16. Springer Link,
(6) Abdel Karim, Amel E., and Amira H. Mohammed.
“Effectiveness of Sensory Integration Program in Motor Skills
in Children with Autism.” Egyptian Journal of Medical Human
Genetics, vol. 16, no. 4, Oct. 2015, pp. 375–80. ScienceDirect,