Amaya, Ioanna Alicia, Nele Behrens, David John Schwartzman, Trevor Hewitt, and Timo Torsten Schmidt. “Effect of Frequency and Rhythmicity on Flicker Light-Induced Hallucinatory Phenomena.” _PLOS ONE_ 18, no. 4 (2023): e0284271. [https://doi.org/10.1371/journal.pone.0284271](https://doi.org/10.1371/journal.pone.0284271). Bartossek, Marie Therese, Johanna Kemmerer, and Timo Torsten Schmidt. “Altered States Phenomena Induced by Visual Flicker Light Stimulation.” _PLOS ONE_ 16, no. 7 (2021): e0253779. [https://doi.org/10.1371/journal.pone.0253779](https://doi.org/10.1371/journal.pone.0253779). Bednarik, Robert G., J. D. Lewis-Williams, and Thomas A. Dowson. “On Neuropsychology and Shamanism in Rock Art.” _Current Anthropology_ 31, no. 1 (1990): 77–84. [https://doi.org/10.1086/203809](https://doi.org/10.1086/203809). Elder, R. Bruce. _Harmony + Dissent: Film and Avant-Garde Art Movements in the Early Twentieth Century_. Film and Media Studies Series. Wilfrid Laurier University Press, 2008. Grabbe, Lars C., Patrick Rupert-Kruse, and Norbert M. Schmitz. _Image Evolution: Technological Transformations of Visual Media Culture_. Büchner-Verlag, 2019. Griffiths, Alison. _Film Education in the Natural History Museum: Cinema Lights up the Gallery in the 1920s_. n.d. Groot, Mariska de. “Mariska de Groot - Artist Page.” Mariska de Groot - Artist Page. Accessed May 11, 2025. [https://www.mariskadegroot.com/](https://www.mariskadegroot.com/). Grüsser, Otto-Joachim, and Michael Hagner. “On the History of Deformation Phosphenes and the Idea of Internal Light Generated in the Eye for the Purpose of Vision.” _Documenta Ophthalmologica_ (Dordrecht) 74, nos. 1–2 (1990): 57–85. [https://doi.org/10.1007/BF00165665](https://doi.org/10.1007/BF00165665). Gunning, Tom. _Flicker and Shutter:_ n.d. Gunning, Tom. “Flicker and Shutter: Exploring Cinema’s Shuddering Shadow.” In _Indefinite Visions_. Edinburgh University Press, 2017. [https://www.degruyterbrill.com/document/doi/10.1515/9781474407137-006/pdf?licenseType=restricted](https://www.degruyterbrill.com/document/doi/10.1515/9781474407137-006/pdf?licenseType=restricted). Helmholtz, Hermann von. _Helmholtz’s Treatise on Physiological Optics_. Optical Society of America, 1925. “Helmholtz_s_Treatise_on_Physiological_Op.” n.d. “History of Deformation Phosphenes.” n.d. Kaes, Anton, Nicholas Baer, and Michael Cowan. “Avant-Garde and Industry.” In _The Promise of Cinema_, vol. 49. University of California Press, 2019. [https://doi.org/10.1525/9780520962439-017](https://doi.org/10.1525/9780520962439-017). Kaplan, Mark Allan. _TRANSPERSONAL DIMENSIONS OF THE CINEMA_. n.d. “Kluver Papers.” n.d. Lewis-Williams, J. D., T. A. Dowson, Paul G. Bahn, et al. “The Signs of All Times: Entoptic Phenomena in Upper Palaeolithic Art [and Comments and Reply].” _Current Anthropology_ 29, no. 2 (1988): 201–45. [https://doi.org/10.1086/203629](https://doi.org/10.1086/203629). Luke, David. “Rock Art or Rorschach: Is There More to Entoptics than Meets the Eye?” _Time and Mind_ 3, no. 1 (2010): 9–28. [https://doi.org/10.2752/175169710X12549020810371](https://doi.org/10.2752/175169710X12549020810371). Mauro, Federica, Antonino Raffone, and Rufin VanRullen. “A Bidirectional Link between Brain Oscillations and Geometric Patterns.” Brief Communications. _Journal of Neuroscience_ 35, no. 20 (2015): 7921–26. [https://doi.org/10.1523/JNEUROSCI.0390-15.2015](https://doi.org/10.1523/JNEUROSCI.0390-15.2015). Meulen, B.C. ter, D. Tavy, and B.C. Jacobs. “From Stroboscope to Dream Machine: A History of Flicker-Induced Hallucinations.” _European Neurology_ 62, no. 5 (2009): 316–20. [https://doi.org/10.1159/000235945](https://doi.org/10.1159/000235945). Mille, Charlotte de. “Visual Music in Film, 1921-1924: Richter, Eggeling, Ruttman.” In _Music and Modernism, c. 1849-1950_. Cambridge Scholars Publishing, 2011. Montgomery, Caspar, Ioanna Alicia Amaya, and Timo Torsten Schmidt. “Flicker Light Stimulation Enhances the Emotional Response to Music: A Comparison Study to the Effects of Psychedelics.” _Frontiers in Psychology_ 15 (February 2024). [https://doi.org/10.3389/fpsyg.2024.1325499](https://doi.org/10.3389/fpsyg.2024.1325499). Moolhuijsen, Martin. “Seeing Time Through Rhythm: An Audiovisual Study of Flicker Films.” _Sonic Scope: New Approaches to Audiovisual Culture_, ahead of print, October 27, 2021. [https://doi.org/10.21428/66f840a4.cc0b43a4](https://doi.org/10.21428/66f840a4.cc0b43a4). Mottes, Jacopo, Dominga Ortolan, and Gianluca Ruffato. “Haidinger’s Brushes: Psychophysical Analysis of an Entoptic Phenomenon.” _Vision Research_ 199 (October 2022): 108076. [https://doi.org/10.1016/j.visres.2022.108076](https://doi.org/10.1016/j.visres.2022.108076). Ostherr, Kirsten. “Operative Bodies: Live Action and Animation in Medical Films of the 1920s.” _Journal of Visual Culture_ 11, no. 3 (2012): 352–77. [https://doi.org/10.1177/1470412912455620](https://doi.org/10.1177/1470412912455620). Pearce, Ida. “Entoptic Perceptions of Spiral Waves and Rare Inward Spirals.” _Chaos: An Interdisciplinary Journal of Nonlinear Science_ 25, no. 6 (2015): 063109. [https://doi.org/10.1063/1.4922253](https://doi.org/10.1063/1.4922253). Petitot, Jean. _Elements of Neurogeometry: Functional Architectures of Vision_. Lecture Notes in Morphogenesis. Springer International Publishing, 2017. [https://doi.org/10.1007/978-3-319-65591-8](https://doi.org/10.1007/978-3-319-65591-8). Rule, Michael, Matthew Stoffregen, and Bard Ermentrout. “A Model for the Origin and Properties of Flicker-Induced Geometric Phosphenes.” _PLoS Computational Biology_ 7, no. 9 (2011): e1002158. [https://doi.org/10.1371/journal.pcbi.1002158](https://doi.org/10.1371/journal.pcbi.1002158). Ruttmann, Michael Walter. _Walter Ruttmann and the Cinema of Multiplicity_. n.d. Schulze, Mario. “Mobilizing Moving Images: Reusing a German Flow Film of the 1920s for U.S. Science Education in the Cold War.” _Isis_ 112, no. 2 (2021): 361–69. [https://doi.org/10.1086/714728](https://doi.org/10.1086/714728). Schulze, Mario, and Sarine Waltenspül. “From Images of Lines to Images of Particles: The Role of the Film Camera in Flow Visualization.” In _Image Evolution: Technological Transformations of Visual Media Culture_. 2019. [https://www.researchgate.net/publication/352705387_From_Images_of_Lines_to_Images_of_Particles_The_Role_of_the_Film_Camera_in_Flow_Visualization](https://www.researchgate.net/publication/352705387_From_Images_of_Lines_to_Images_of_Particles_The_Role_of_the_Film_Camera_in_Flow_Visualization). Schwartzman, David J., Michael Schartner, Benjamin B. Ador, Francesca Simonelli, Acer Y.-C. Chang, and Anil K. Seth. “Increased Spontaneous EEG Signal Diversity during Stroboscopically-Induced Altered States of Consciousness.” Preprint, Neuroscience, January 4, 2019. [https://doi.org/10.1101/511766](https://doi.org/10.1101/511766). Sitney, P. Adams. “Structural Film.” _Film Culture_ (New York) 47 (1969): 1-. Sokoliuk, Rodika, and Rufin VanRullen. “The Flickering Wheel Illusion: When α Rhythms Make a Static Wheel Flicker.” _The Journal of Neuroscience_ 33, no. 33 (2013): 13498–504. [https://doi.org/10.1523/JNEUROSCI.5647-12.2013](https://doi.org/10.1523/JNEUROSCI.5647-12.2013). Wade, Nicholas J., Josef Brožek, and Jiří Hoskovec. _Purkinje’s Vision: The Dawning of Neuroscience_. Erlbaum, 2001. Werner, John S., Iwona Gorczynska, and Lothar Spillmann. “Heinrich Müller (1820-1864) and the Entoptic Discovery of the Site in the Retina Where Vision Is Initiated.” _Journal of the History of the Neurosciences_ (England) 31, no. 1 (2022): 64–90. [https://doi.org/10.1080/0964704X.2021.1959165](https://doi.org/10.1080/0964704X.2021.1959165). William Moritz. “Resistance and Subversion in Animated Films of the Nazi Era: The Case of Hans Fischerkoesen.” In _A Reader In Animation Studies_, with Jayne Pilling. John Libbey Publishing, 1998. William Moritz. “Restoring the Aesthetics of Early Abstract Films.” In _A Reader In Animation Studies_, with Jayne Pilling. John Libbey Publishing, 1998. Woodward, Christopher, Hayward Gallery, and Arts Council of Great Britain. _Film as Film: Formal Experiment in Film, 1910-1975_. Arts Council of Great Britain, 1979. Worrall, David. “‘Seen in My Visions’: Klüver Form-Constant Visual Hallucinations in William Blake’s Paintings and Illuminated Books.” _Blake/An Illustrated Quarterly_ 55, no. 4 (2022). [https://doi.org/10.47761/biq.314](https://doi.org/10.47761/biq.314).