1 Annotated Bibliography for Investigation on Mitigating the effects of Tics in VR Joseph Mcvelia j.mcvelia@lancaster.ac.uk Tic Disorders Knight, T., Steeves, T., Day, L., Lowerison, M., Jette, N., and Pringsheim, T. Prevalence of tic disorders: A systematic review and metaanalysis. Pediatric neurology 47, 2 (Aug 2012), 77–90 Evaluates the prevalence of tic disorders in 35 studies from 1985-2011. Shows tic disorders are more common in: children than adults, boys than girls, and in special education populations. Chouinard, S. Adult onset tic disorders. Journal of neurology, neurosurgery and psychiatry 68, 6 ( Jun 2000), 738–743 Gathers information on patients who’s tic disorders first present in adulthood, to shed light on the nature of an under-recognised condition that is more common than generally reported. Kim, S., Kim, M.-S., Kim, J., and Hong, S.-B. Incidence trend and epidemiology of tic disorders among youths and adults in korea from 2003 to 2020: A national population-based study. Psychiatry research 331 ( Jan 2024), 115634–115634 Shows an increase in incident cases of tic disorders between 2003 and 2020, contains lots of data on tic disorder frequency, however data taken only in Korea so unsure of how it applies globally. 2 Gilles de la Tourette’s Syndrome Alsobrook, J. P., and Pauls, D. L. A factor analysis of tic symptoms in gilles de la tourette’s syndrome. The American journal of psychiatry 159, 2 (Feb 2002), 291–296 Classifies the names and frequencies of tic symptoms. Fits them into clusters for cluster analysis. Addresses recurrence risk among relatives of TS subjects based on symptom factors. Maxwell-Scott, M., O’Keeffe, F., and Fiona. Coping with tourette’s syndrome: a meta-ethnography of individual and family perspectives. Psychology & health (May 2024), 1–23 A systematic review of how children, adults, and families cope with GTS. Addresses social identity, control of visible symptoms, and challenging the narrative around GTS. Jankovic, J., and Stone, L. Dystonic tics in patients with tourette’s syndrome. Movement disorders 6, 3 ( Jan 1991), 248–252 Dystonic tics are relatively slow and sustained movements producing briefly maintained abnormal postures. Addresses frequency of dystonic tics in general and the frequency of different types of dystonic tics. Jung, J., Jackson, S. R., Nam, K., Hollis, C., and Jackson, G. M. Enhanced saccadic control in young people with tourette syndrome despite slowed pro-saccades. Journal of neuropsychology 9, 2 (Apr 2014), 172–183 Investigates eye movements in GTS subjects, showing that GTS subjects without comorbid ADHD have more saccadic accuracy with a longer latency to initiate and complete the saccades. Shaikh, A. G., Finkelstein, S. R., Schuchard, R., Ross, G., and Juncos, J. L. Fixational eye movements in tourette syndrome. Neurological Sciences 38, 11 (Aug 2017), 1977–1984 Investigates fixational eye movements such as microsaccades and ocular drifts to conclude that fixational eye movements could be used as objective biological markers of 3 GTS. MOSTOFSKY, S. H., LASKER, A. G., SINGER, H. S., DENCKLA, M. B., and ZEE, D. S. Oculomotor abnormalities in boys with tourette syndrome with and without adhd. Journal of the American Academy of Child & Adolescent Psychiatry 40, 12 (Dec 2001), 1464–1472 Assesses saccadic eye movements in boys with GTS, with and without comorbid ADHD, showing that GTS is associated with a delay in initiation of motor response. Scharf, J. M., Miller, L. L., Gauvin, C. A., Alabiso, J., Mathews, C. A., and Ben-Shlomo, Y. Population prevalence of tourette syndrome: A systematic review and meta-analysis. Movement disorders 30, 2 (Dec 2014), 221–228 Refines the population prevalence estimates of GTS in children andinvestigates potential sources of heterogeneity. Martino, D., Cavanna, A. E., Robertson, M. M., and Orth, M. Prevalence and phenomenology of eye tics in gilles de la tourette syndrome. Journal of neurology 259, 10 (Mar 2012), 2137–2140 Analyses eye tics over a large GTS subject group, showing its high prevalence and breaking down the prevalence of different classifications of eye tics Tulen, J. H. M., Azzolini, M., de, A., Groeneveld, W. H., Passchier, J., and van. Quantitative study of spontaneous eye blinks and eye tics in gilles de la tourette’s syndrome. Journal of neurology, neurosurgery and psychiatry 67, 6 (Dec 1999), 800–802 Studies spontaneous eye bling rate and frequency of eye tics in GTS subjects during rest, conversation, and video watching and compares these values to a control group. Kovacich, S. Tourette syndrome and the eye. Optometry 79, 8 (Aug 2008), 432–435 Set of case reports on subjects presenting with eye related tics and GTS. 4 Eriguchi, Y., Aoki, N., Kano, Y., and Kasai, K. Rotational plane-wise analysis of angular movement of neck motor tics in tourette’s syndrome. Progress in neuro-psychopharmacology & biological psychiatry 108 ( Jun 2021), 110092–110092 Presents data related to head angular velocity and acceleration during tics, showing significantly higher velocities/accelerations during tics in the pitch plane. Eriguchi, Y., Gu, X., Aoki, N., Nonaka, M., Goto, R., Kuwabara, H., Kano, Y., and Kasai, K. A 2-year longitudinal follow-up of quantitative assessment neck tics in tourette’s syndrome. PloS one 16, 12 (Dec 2021), e0261560–e0261560 Follow up for study above, collecting data after 2 year period and demonstrating that intensity and frequency of tics did not change over time. (contains head velocity and acceleration data) 5 Automatic Tic Monitoring Bernabei, M., Preatoni, E., Mendez, M., Piccini, L., Porta, M., and Andreoni, G. A novel automatic method for monitoring tourette motor tics through a wearable device. Movement disorders 25, 12 (Sep 2010), 1967–1972 Proposes automatic method for detecting and quantifying motor tics using a wearable three-axial accelerometer device. Bernabei, M., Andreoni, G., Mendez, M. O., Piccini, L., Aletti, F., Sassi, M., Servello, D., Porta, M., and Preatoni, E. Automatic detection of tic activity in the tourette syndrome. PubMed (Aug 2010) Goes into detail on an algorithm for tic detection using accelerometer data, gives best values for constants to use within functions to give most reliable detection outputs. Tulen, J. H. M., Groeneveld, W. H., Judith, Sander, and Ben. Ambulatory accelerometry to quantify involuntary movements and tics in the syndrome of gilles de la tourette. Behavior research methods, instruments & computers/Behavior research methods, instruments, & computers 33, 3 (Aug 2001), 357–363 Evaluates head motility levels in 3 orthogonal planes using accelerometry during rest, conversation, and passive video watching. Cernera, S., Pramanik, L., Boogaart, Z., Cagle, J. N., Gomez, J., Moore, K., Loong, K., Okun, M. S., Gunduz, A., and Deeb, W. The human tic detector: An automatic approach to tic characterization using wearable sensors. Clinical neurophysiology 134 (Feb 2022), 102–110 Creates an automatic tic detection and classification algorithm using electromyogram and acceleration data from tic and voluntary movement. Ganos, C., Martino, D., Espay, A. J., Lang, A. E., Bhatia, K. P., and Edwards, M. J. Tics and functional tic-like movements. Neurology 93, 17 (Oct 2019), 750–758 Discusses the potential for telling the difference between tics and functional tic-like movements. 6 Data Filtering Jin, F., Sattar, F., and Goh, T. An acoustical respiratory phase segmentation algorithm using genetic approach. Medical & biological engineering & computing 47, 9 ( Jul 2009), 941–953 An example of NEO used on audio signals. Mukhopadhyay, S., and Ray, G. C. A new interpretation of nonlinear energy operator and its efficacy in spike detection. IEEE Transactions on Biomedical Engineering 45, 2 ( Jan 1998), 180–187 Detailed explanation of NEO and its statistical interpretation, along with how to threshold data in spike detection. Also a comparison of the NEO algorithm to other spike detection algorithms. Maragos, P., Kaiser, J., and Quatieri, T. On amplitude and frequency demodulation using energy operators. IEEE transactions on signal processing 41, 4 (Apr 1993), 1532–1550 Comparison and explanation of the uses and functionality of NEO on discrete (digital) and continuous (real) signals. Ataman, E., Aatre, V., and Wong, K. A fast method for real-time median filtering. IEEE Transactions on Acoustics Speech and Signal Processing 28, 4 (Aug 1980), 415–421 Detailed explanation of a method for real time median filtering of signals and images. Casiez, G., Roussel, N., and Vogel, D. 1 € filter. HAL (Le Centre pour la Communication Scientifique Directe) (May 2012) Very good filter for VR noise filtering