Publications
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Faerman MV, Ehgoetz Martens KA, Meehan SK, Staines WR. Neural correlates of trait anxiety in sensory processing and distractor filtering. Psychophysiology. 2024 Oct 8:e14706. doi: 10.1111/psyp.14706. Epub ahead of print. PMID: 39380311
Norouzian P, Horslen BC, Martens KAE. The effects of trait and state anxiety on gait in healthy young adults. Exp Brain Res. 2024 Mar 8. doi: 10.1007/s00221-024-06800-3. Epub ahead of print. PMID: 38456925
Homagain A, Ehgoetz Martens KA. Emotional states affect steady state walking performance. PLoS One. 2023 Sep 14;18(9):e0284308. doi: 10.1371/journal.pone.0284308. PMID: 37708145; PMCID: PMC10501668
Joza S, Hu MT, Jung KY, Kunz D, Stefani A, Dušek P, Terzaghi M, Arnaldi D, Videnovic A, Schiess MC, Hermann W, Lee JY, Ferini-Strambi L, Lewis SJG, Leclair-Visonneau L, Oertel WH, Antelmi E, Sixel-Döring F, Cochen De Cock V, Liguori C, Liu J, Provini F, Puligheddu M, Nicoletti A, Bassetti CLA, Bušková J, Dauvilliers Y, Ferri R, Montplaisir JY, Lawton M, Kim HJ, Bes F, Högl B, Šonka K, Fiamingo G, Mattioli P, Lavadia ML, Suescun J, Woo KA, Marelli S, Martens KE, Janzen A, Plazzi G, Mollenhauer B, Fernandes M, Li Y, Cortelli P, Figorilli M, Cicero CE, Schaefer C, Guiraud L, Lanza G, Gagnon JF, Sunwoo JS, Ibrahim A, Girtler N, Trenkwalder C, Baldelli L, Pelletier A, Postuma RB; International REM Sleep Behavior Disorder Study Group. Progression of clinical markers in prodromal Parkinson's disease and dementia with Lewy bodies: a multicentre study. Brain. 2023 Aug 1;146(8):3258-3272. doi: 10.1093/brain/awad072. PMID: 36881989
Rahayel S, Tremblay C, Vo A, Misic B, Lehéricy S, Arnulf I, Vidailhet M, Corvol JC; ICEBERG Study Group; Gagnon JF, Postuma RB, Montplaisir J, Lewis S, Matar E, Ehgoetz Martens K, Borghammer P, Knudsen K, Hansen AK, Monchi O, Gan-Or Z, Dagher A; Alzheimer’s Disease Neuroimaging Initiative. Mitochondrial function-associated genes underlie cortical atrophy in prodromal synucleinopathies. Brain. 2023 Aug 1;146(8):3301-3318. doi: 10.1093/brain/awad044. PMID: 36826230; PMCID: PMC10393413
Hu K, Mei S, Wang W, Martens KAE, Wang L, Lewis SJG, Feng DD, Wang Z. Multi-Level Adversarial Spatio-Temporal Learning for Footstep Pressure Based FoG Detection. IEEE J Biomed Health Inform. 2023 Aug;27(8):4166-4177. doi: 10.1109/JBHI.2023.3272902. Epub 2023 Aug 7. PMID: 37227913
Sun R, Hu K, Martens KAE, Hagenbuchner M, Tsoi AC, Bennamoun M, Lewis SJG, Wang Z. Higher Order Polynomial Transformer for Fine-Grained Freezing of Gait Detection. IEEE Trans Neural Netw Learn Syst. 2023 Apr 12;PP. doi: 10.1109/TNNLS.2023.3264647. Epub ahead of print. PMID: 37043325
Tosserams A, Bloem BR, Ehgoetz Martens KA, Helmich RC, Kessels RPC, Shine JM, Taylor NL, Wainstein G, Lewis SJG, Nonnekes J. Modulating arousal to overcome gait impairments in Parkinson's disease: how the noradrenergic system may act as a double-edged sword. Transl Neurodegener. 2023 Mar 26;12(1):15. doi: 10.1186/s40035-023-00347-z. PMID: 36967402; PMCID: PMC10040128
John AR, Cao Z, Chen H-T, Martens KE, Georgiades M, Gilat M, Nguyen HT, Lewis SJG, Lin C-T. Predicting the Onset of Freezing of Gait Using EEG Dynamics. Applied Sciences. 2023; 13(1):302. https://doi.org/10.3390/app13010302
Goh L, Paul SS, Canning CG, Ehgoetz Martens KA, Song J, Campoy SL, Allen NE. The Ziegler Test Is Reliable and Valid for Measuring Freezing of Gait in People With Parkinson Disease. Phys Ther. 2022 Dec 6;102(12):pzac122. doi: 10.1093/ptj/pzac122. PMID: 36130220; PMCID: PMC10071484
Phillips JR, Matar E, Ehgoetz Martens KA, Moustafa AA, Halliday GM, Lewis SJG. Exploring the Sensitivity of Prodromal Dementia with Lewy Bodies Research Criteria. Brain Sci. 2022 Nov 22;12(12):1594. doi: 10.3390/brainsci12121594. PMID: 36552054; PMCID: PMC9775171
Rahayel S, Tremblay C, Vo A, Zheng YQ, Lehéricy S, Arnulf I, Vidailhet M, Corvol JC; ICEBERG Study Group; Gagnon JF, Postuma RB, Montplaisir J, Lewis S, Matar E, Ehgoetz Martens K, Borghammer P, Knudsen K, Hansen A, Monchi O, Misic B, Dagher A. Brain atrophy in prodromal synucleinopathy is shaped by structural connectivity and gene expression. Brain. 2022 Sep 14;145(9):3162-3178. doi: 10.1093/brain/awac187. PMID: 35594873
Taylor, N.L., Wainstein, G., Quek, D., Lewis, S.J.G., Shine, J.M., Ehgoetz Martens, K.A. The Contribution of Noradrenergic Activity to Anxiety-Induced Freezing of Gait. Mov Disord. 2022 Jul;37(7):1432-1443. doi: 10.1002/mds.28999. Epub 2022 Apr 5. PMID: 35384055; PMCID: PMC9540856
Phillips JR, Matar E, Ehgoetz Martens KA, Moustafa AA, Halliday GM, Lewis SJG. An Adaptive Measure of Visuospatial Impairment in Dementia with Lewy Bodies. Mov Disord Clin Pract. 2022 Jun 13;9(5):619-627. doi: 10.1002/mdc3.13488. PMID: 35844276; PMCID: PMC9274351
Quek DYL, Economou K, MacDougall H, Lewis SJG, Ehgoetz Martens KA. The influence of visual feedback on alleviating freezing of gait in Parkinson's disease is reduced by anxiety. Gait Posture. 2022 Jun;95:70-75. doi: 10.1016/j.gaitpost.2022.04.007. Epub 2022 Apr 13. PMID: 35453086
Matar, E., Ehgoetz Martens, K.A., Halliday, G.M., Lewis, S.J.G., Phillips, J.R., Shine, J.M. Dynamic network impairments underlie cognitive fluctuations in Lewy Body Dementia. NPJ Parkinson’s, 2022, 8(1), 16.PMID: 35177652, PMCID: PMC8854384
Ehgoetz Martens KA, Matar E, Phillips JR, Shine JM, Grunstein RR, Halliday GM, Lewis SJG. Narrow doorways alter brain connectivity and step patterns in isolated REM sleep behaviour disorder. Neuroimage Clin. 2022;33:102958. doi: 10.1016/j.nicl.2022.102958. Epub 2022 Feb 7. PMID: 35151040; PMCID: PMC8844611
Economou, K., M., MacDougall, H., Lewis, S.J.G., Ehgoetz Martens, K.A. Heart rate increases prior to freezing of gait are related to anxiety. Journal of Parkinson’s Disease, 2021, 11(1), 271-282. PMID: 33074191
Quek, D., Economou, K., MacDougall, H., Lewis, S.J.G., Ehgoetz Martens, K.A. Validating a virtual reality height-induced threat paradigm for freezing of gait in Parkinson’s disease. Journal of Parkinson’s Disease, 2021,11(3), 1443-1454. PMID: 34057098
Panaik, I., Lewis, S.J.G., Ehgoetz Martens, K.A. Measuring anxiety in Lewy Body Disease – which scale to choose? Clinical Parkinsonism and Related Disorders, 2021, 5, 100110. PMID: 34647014, PMCID: PMC8501759
Rahayel, S., Postuma, R.B., Montplasir, J., Misic, B., Tremblay, C., Vo, A., Lewis, S.J.G., Matar, E., Ehgoetz Martens, K.A., Blanc, F., Yao, C, Gaubert, M., Carrier, J., Monchi, O., Chouinard, S., Panisset, M., Dagher, A., Gagnon, J.F. A prodromal signature of Lewy Body Dementia. Annals of Neurology, 2021, 89(2), 341-357. PMID: 33217037
Miglis, M.G., Adler, C.H., Antelmi, E., Arnaldi, D., Baldelli, L., Boeve B.F., Cesari, M., Dall’Antonia, I., Diederich, N.J., Doppler, K., Dušek, P., Ferri, R., Gagnon, J-F., Ziv Gan-Or, Z., Hermann, W., Högl, B., Hu, M., Iranzo, A., Janzen, A., Kuzkina, A., Lee, J-Y. Leenders, K.L., Lewis, S.J.G., Liguori, C., Liu, J., Lo, C., Ehgoetz Martens, K.A., Nepozitek, J., Plazzi, G., Provini, F., Puligheddu, M., Rolinski, M., Rusz, J., Stefani, A., Summers, R.L.S.. Yoo, D., Zitser, J., Oertel, W.H. Biomarkers of phenoconversion in isolated REM sleep behaviour disorder: A review by the international RBD study group. Lancet Neurology, 2021, 20(8), 671-684. PMID: 34302789, PMCID: PMC8600613
Goh, L., Ahmadpour, N., Ehgoetz Martens, K.A., Song, J., Clemson, L., Lewis, S.J.G., MacDougall, H., Canning, C.G. A video self-monitoring intervention using virtual reality plus plysical practice for freezing of gait in Parkinson’s disease: A feasibility and acceptability study. Journal of Medical Internet Research, 2021, 5(11), e28315. PMID: 34730537, PMCID: PMC8600439
Chiu, N.K.H., Ehgoetz Martens, K.A., Mok, V.C.T., Lewis, S.J.G., Matar, E. Prevalence and predictors of mood disturbances in idiopathic REM sleep behaviour disorder. Journal of Sleep Research, 2021, 30(2), e13040. PMID: 32255236
Phillips, J., Matar, E., Ehgoetz Martens, K.A., Moustafa, A., Lewis, S.J.G. Evaluating a novel behavioral paradigm for visual hallucinations in Dementia with Lewy Bodies. Aging Brain, 2021, 1, 100011.
Hu, K., Wang, Z., Ehgoetz Martens, K.A., Hagenbuchner, M., Bennamoun, M., Tsoi, A.C., Lewis, S.J.G. Graph fusion network for multimodal learning based freezing of gait detection. IEEE Transactions on Neural Networks and Learning Systems, 2021, 31, PP. PMID: 34464270
Ehgoetz Martens, K.A., Peterson, D., Almeida, Q.J., Lewis, S.J.G., Hausdorff, J.M., Nieuwboer, A. Behavioural manifestations and associated non-motor features of freezing of gait: A narrative review and theoretical framework. Neuroscience and Biobehavioural Reviews, 2020, 116, 350-364. PMID: 32603716
Ehgoetz Martens, K.A., Matar, E., Shine, J.M., Phillips, J.R., Georgiades, M.G., Grunstein, R., Halliday, G., Lewis, S.J.G. The neural signature of impaired dual-tasking in idiopathic rapid eye movement sleep behaviour disorder patients. Movement Disorders, 2020, 35(9), 1596-1606. PMID: 32525224
Ehgoetz Martens, K.A., Matar, E., Phillips, J.R., Hall, J.M., Szeto, Y.Y., Gouelle, A., Grunstein, R., Halliday, G., Lewis, S.J.G. Invited Reply to: “Instrumental analysis of gait abnormalities in idiopathic REM sleep behaviour disorder. Movement Disorders, 2020, 35(1), 195-196. PMID: 31965626
Beck, E.N., Wang, M.T.Y., Intzandt, B.N., Almeida, Q.J., Ehgoetz Martens, K.A. Internally focused exercise improves anxiety in Parkinson’s disease. PLoS ONE, 2020, 15(4), e0230803. PMID: 32298270, PMCID: PMC7162490
Phillips, J. R., Matar, E., Ehgoetz Martens, K. A., Halliday, G. M., Moustafa, A. A., & Lewis, S. J. G. Evaluating the Sustained Attention Response Task to Quantify Cognitive Fluctuations in Dementia With Lewy Bodies. Journal Geriatric Psychiatry and Neurology, 2020, 33(6), 333-336. PMID: 31672077
Hu, K., Wang, Z., Wang, W., Ehgoetz Martens, K.A., Wang, L., Tan, T., Lewis, S,J.G., Feng, D. Graph sequence recurrent neural network for freezing of gait detection. Transactions on Image Processing, 2020, 29(1), 1890-1901. PMID: 31634131
Hu, K. Wang, Z., Mei, S. Ehgoetz Martens, K.A., Yao, T., Lewis, S.J.G., Dagan, D. Vision-based freezing of gait detection with anatomic directed representation. IEEE Journal of Biomedical and Health Informatics, 2020, 24(4), 1215-1225. PMID: 31217134
Matar, E., Ehgoetz Martens, K.A., Halliday, G.N., Lewis, S.J.G. Clinical features of Lewy body dementia: insights into diagnosis and pathophysiology. Journal of Neurology, 2020, 267(2), 380-389. PMID: 31650254
Raupach, A.K., Ehgoetz Martens, K.A., Memarian, N., Zhong, G., Matar, E., Halliday, G.H., Grunstein, R., Lewis, S.J.G. Assessing the role of nocturnal core body temperature dysregulation as a biomarker of neurodegeneration. Journal of Sleep Research, 2020, 29(5), e12939. PMID: 31713306
Ehgoetz Martens, K.A., Matar, E., Phillips, J.R., Hall, J.M., Szeto, Y.Y., Gouelle, A., Grunstein, R., Halliday, G., Lewis, S.J.G. Subtle gait and balance impairments occur in idiopathic REM sleep behaviour disorder. Movement Disorders, 2019, 34(9), 1374-1380. PMID: 31242336
Shine, J.M., Bell, P.T., Ehgoetz Martens, K.A., Shine, R., Koyejo, O., Sporns, O., Poldrack, R.A. The low dimensional integrative core of cognition in the human brain. Nature Neuroscience, 2019, 22(6), 1036. PMID: 30792538
Hall, J.M., O’Callaghan, C., Muller, A.J., Ehgoetz Martens, K.A., Phillips, J.R., Moustafa, A.A., Lewis, S.J.G., Shine, J.M. Changes in structural network architecture correlate with severity of hallucinatory behaviour in Parkinson’s disease.Network Neuroscience, 2019, 3(2), 521-538. PMID: 30984905, PMCID: PMC6444885
Matar, E., Shine, J.M., Ehgoetz Martens, K.A., Ward, P.B., Frank, M.J., Maustafa, A.A., Gilat, M., Naismith, S.L., Lewis, S.J.G. Identifying the neural correlates of doorway freezing in Parkinson’s disease. Human Brain Mapping, 2019, 40(7), 2055-2064. PMID: 30637883, PMCID: PMC6865388
Postuma, R.B., Iranzo, A. Hu, M., Hogl, B, Boeve, B., Manni, R., Oertel, W.H., Arnulf, I., Ferini-Strambi, L., Puligheddu, M., Antelmi, E., Cochen De Cock, V., Arnaldi, D., Mollenhauer, B., Videnovik, A., Sonka, K., Jung, K-Y., Kunz, D., Dauvilliers, Y., Provini, F., Lewis, S.J.G., Buskova, J., Pavlova, M., Heidbreder, A., Montplaisir, J.Y., Santamaria, J., Barber, T.R., Stefani, A., St Louis, E.K., Terzaghi, M., Janzen, A., Leu-Semenescu, S., Plazzi, G., Nobili, F., Sixel-Doering, F., Dusek, P., Bes, F., Cortelli, P., Ehgoetz Martens, K.A., Gagnon, J-F., Gaig, C., Zucconi, M., Trenkwalder, C., Gan-Or, Z., Lo, C., Rolinski, M., Mahlknecht, P., Holzknecht, E., Boeve, A.R., Teigen, L.N., Toscano, G., Mayer, G., Morbelli, S., Dawson, B., Pelletier, A.Risk and predictors of dementia and parkinsonism in idiopathic REM sleep behaviour disorder: A multicenter study. Brain, 2019, 142(3), 744-759. PMID: 30789229, PMCID: PMC6391615
Matar, E., Phillips, J., Ehgoetz Martens, K.A., Halliday, G.M., Lewis, S.J.G. Impaired colour discrimination – a specific marker of hallucinations in Lewy body disorders? Journal of Geriatric Psychiatry and Neurology, 2019, 32(5), 257-264. PMID: 31035850
Christidi, F., De Micco, R., Ehgoetz Martens, K.A., Moglia, C., Trojsi, F. Non-motor symptoms in primary motor neurological disorders: From molecular pathways to clinical and therapeutic implications. Frontiers in Neuroscience, 2019, 13, 1296. PMID: 31849599, PMCID: PMC6901677
Ehgoetz Martens, K.A., Hall, J.M.,Georgiades, M.J., Gilat, M., Walton, C.C., Matar, E., Lewis, S.J.G., Shine, J.M. The functional network signature of heterogeneity in freezing of gait. Brain, 2018, 141(4), 1145-1160.PMID: 29444207
Ehgoetz Martens, K.A., Lukasik, E., Georgiades, M.J., Gilat, M., Hall, J.M., Walton, C.W., Lewis, S.J.G. Predicting the onset of freezing of gait in Parkinson’s disease: a longitudinal study. Movement Disorders, 2018, 33(1), 128-135. PMID: 29150872
Ehgoetz Martens, K.A., Shine, J.M., Walton, C.C., Georgiades, M.J., Gilat, M., Hall, J.M., and Lewis, S.J.G. Evidence for subtypes of Freezing of gait in Parkinson’s disease. Movement Disorders, 2018, 33(7), 1174-1178. PMID: 30153383
Ehgoetz Martens, K.A., Silveira, C.R.A, Indzandt, B.N., Almeida, Q.J. State anxiety predicts cognition in patients with Parkinson’s disease: An important future consideration. Neuropsychology, 2018, 32(8), 950-957. PMID: 30284873
Ehgoetz Martens, K.A. & Shine, J.M. Interactions between non-motor symptoms of Parkinson’s disease. Expert Reviews in Neurotherapeutics, 2018, 18(6), 457-460. PMID: 29722588
Ehgoetz Martens, K.A., Silveira, C.R.A., Intzandt, B.N., Almeida, Q.J. Levels of anxiety in Parkinson’s disease: The influence on single and dual task walking. Journal of Neuropsychiatry and Clinical Neurosciences, 2018, 30(1), 77-80.PMID: 28712343
Sun, R. Wang, Z., Ehgoetz Martens, K.A., Lewis, S.J.G. Convolutional 3D Attention Network for video based freezing of gait recognition. Digital Image Computing: Techniques and Applications, 2018, 1-7.
Gilat, M., Ehgoetz Martens, K.A., Miranda-Dominguez, O., Arpan, I., Shine, J.M., Mancini, M., Fair, D.A., Lewis, S.J.G., Horak, F.B. Dysfunctional limbic circuitry underlying freezing of gait in Parkinson’s disease. Neuroscience, 2018, 374, 119-132. PMID: 29408498, PMCID: PMC6390849
Hall, J.M., Shine, J.M., Ehgoetz Martens, K.A., Gilat, M., Broadhouse, K.M., Szeto, J.Y.Y., Walton, C.C., Moustafa, A.A. and Lewis, S.J.G. Alterations in white matter network topology contribute to freezing of gait in Parkinson's disease. Journal of Neurology, 2018, 265(6), 1353-1364.PMID: 29616302
Walton, C.C., Mowszowski, L., Gilat, M., Hall, J.M., O’Callaghan, C., Muller, A.J., Georgiades, M., Szeto, J.Y.Y., Ehgoetz Martens, K.A., Shine, J.M., Naismith, S.L. and Lewis, S.J.G. (2018). A Double-Blind Randomized Controlled Trial of Cognitive Training for Freezing of Gait in Parkinson’s Disease.npj Parkinson’s Disease, 2018, 4, 15. PMID: 29796409, PMCID: PMC5959878
Ehgoetz Martens, K.A.. Lefaivre, S.C., Beck, E.N., Pieruccini-Faria, F., Ellard, C.G., Almeida, Q.J. Anxiety provokes balance deficits that are selectively dopa-responsive in Parkinson’s disease. Neuroscience, 2017, 340, 436-444. PMID: 27856344
Ehgoetz Martens, K.A. & Lewis, S.J.G. Pathology of behavior: What is known and what is not? Journal of Neurological Sciences, 2017, 374, 9-16. PMID: 28089250
Gilat, M., Hall, J.M., Ehgoetz Martens, K.A., Shine, J.M. Walton, C.C., Lewis, S.J.G. Staircase climbing is not solely a visual compensation strategy to alleviate freezing of gait in Parkinson’s disease. Journal of Neurology, 2017, 264(1), 174-176. PMID: 27900497
Gilat, M., Bell, P.T., Ehgoetz Martens, K.A., Georgiades, M.J., Hall, J.M., Walton, C.W., Lewis, S.J.G., Shine, J.M. Dopamine depletion impairs gait automaticity by altering striatal, limbic, and cerebellar processing in Parkinson’s disease. NeuroImage, 2017, 152, 207-220. PMID: 28263926
Ehgoetz Martens, K.A., Ellard, C.G., Almeida, Q.J. Evaluating the link between dopaminergic treatment, gait impairment and anxiety in Parkinson’s disease. Movement Disorders Clinical Practice, 2016, 3, 389-394. PMID: 30363509, PMCID: PMC6178607
Ehgoetz Martens, K.A., Hall, J.M., Gilat, M., Georgiades, M.J., Walton, C.C., Lewis, S.J.G. Anxiety and freezing of gait: A new perspective for early intervention. Gait and Posture, 2016, 49, 431-436.PMID: 27513741
Ehgoetz Martens, K.A., Ellard, C.G., Almeida, Q.J. Dopaminergic effects on sensory integration deficits during static balance in Parkinson’s patients with freezing of gait. BAOJ Neurology, 2016.
Ehgoetz Martens, K.A. Szeto, J.Y.Y., Muller, A.J., Hall, J.M., Gilat, M., Walton, C.C., Lewis, S.J.G. Cognitive function in Parkinson’s disease patients with and without anxiety. NeurologicalResearch International, 2016, 6254092. PMID: 27800180, PMCID: PMC5075302
Georgiades, M.J., Gilat, M., Ehgoetz Martens, K.A., Walton, C.C., Bissett, P.G., Shine, J.M., Lewis, S.J.G. Investigating motor initiation and cessation deficits in patients with Parkinson’s disease and freezing of gait using a virtual reality paradigm. Neuroscience, 2016, 337, 153-162. PMID: 27651150
Hall, J.M., Ehgoetz Martens, K.A., Walton, C.C., Keller, P., Lewis, S.J.G., Moustafa, A.A. White matter lesions underlying symptomology in Parkinson’s disease using diffusion tensor imaging: a review of the literature. Parkinsonism and Related Disorders, 2016, 33, 12-26. PMID: 27765426
Ehgoetz Martens, K.A., Ellard, C.G., Almeida, Q.J. Does manipulating the speed of visual flow in virtual reality change distance estimation while walking in Parkinson’s disease? Experimental Brain Research, 2015, 233(3), 787-95. PMID: 25450453
Ehgoetz Martens, K.A., Ellard, C.G., Almeida, Q.J. Anxiety-provoked gait changes are selectively dopa-responsive in Parkinson’s disease. European Journal of Neuroscience, 2015, 42(4), 2028-35. PMID: 25899750
Ehgoetz Martens, K.A., Ellard, C.G., Almeida, Q.J. Virtually-induced threat in Parkinson’s: Dopaminergic interactions between anxiety and sensory-perceptual processing while walking. Neuropsychologia, 2015, 79(Pt B), 322-31. PMID: 26004056
Pieruccini Faria, F., Ehgoetz Martens, K.A., Silveira, C.R.A., Jones, J., Almeida, Q.J. (2015) Side of basal ganglia damage influences freezing of gait in Parkinson’s disease. Behavioural Neuroscience, 2015, 129(2), 214-8. PMID: 25730121
Silveira, C.R.A, Ehgoetz Martens, K.A., Pieruccini Faria, F., Bell-Boucher, D., Roy, E.A., Almeida, Q.J. Disentangling perceptual judgment and online feedback deficits in Parkinson’s freezing of gait. Journal of Neurology, 2015, 262(7), 1629-36. PMID: 25929667, PMCID: PMC4503856
Beck, E.N., Ehgoetz Martens, K.A., Almeida, Q.J. Freezing of gait in Parkinson’s disease: An Overload Problem? PLoS One, 2015, 10(12), e0144986. PMID: 26678262, PMCID: PMC4682987
Ehgoetz Martens, K.A., Ellard, C.G., Almeida, Q.J. A closer look at mechanisms underlying perceptual differences in Parkinson’s Freezers and Non-freezers. Neuroscience, 2014, 22 (274), 162-9. PMID: 24857710
Ehgoetz Martens, K.A., Ellard, C.G., Almeida, Q.J. Does anxiety cause freezing of gait in Parkinson’s disease? PLoS One, 2014, 9(9), e106561. PMID: 25250691, PMCID: PMC4175083
Seli, P., Carriere, J.S.A, Cheyne, J.A., Ehgoetz Martens, K.A., Smilek, D. Restless Mind, Restless Body.Journal of Experimental Psychology: Learning, Memory, and Cognition, 2014, 40(3), 660-8. PMID: 24364721
Coakeley, S., Ehgoetz Martens, K.A., Almeida, Q.J. Management of anxiety and motor symptoms in Parkinson’s disease. Expert Reviews in Neurotherapeutics, 2014, 14(8), 937-46. PMID: 25056382
Pieruccini Faria, F., Ehgoetz Martens, K.A., Silveira, C.R.A., Jones, J., Almeida, Q.J. Interactions between cognitive and sensory load while planning and controlling complex gait adaptations in Parkinson’s disease. BMC Neurology, 2014, 14, 250. PMID: 25528474, PMCID: PMC4302136
Ehgoetz Martens, K.A., Pieruccini Faria, F., Almeida, Q.J. Could sensory mechanisms be a core factor that underlies freezing of gait in Parkinson’s disease? PLoS One, 2013, 8(5), e62602. PMID: 23667499, PMCID: PMC3648560
Ehgoetz Martens, K.A., Ellard, C.G., Almeida, Q.J. Dopaminergic contributions to distance estimation in Parkinson’s disease: A sensory-perceptual deficit? Neuropsychologia, 2013, 51(8), 1426-34.PMID: 23643554
Ehgoetz Martens, K.A., Pieruccini Faria, F., Silveira, C.R.A., Almeida, Q.J. The contribution of optic flow to freezing of gait in left- and right-PD: Different mechanisms for a common phenomenon? Parkinsonism and Related Disorders, 2013, 19(11), 1046-8. PMID: 23891343
Martens, K.A. & Almeida, Q.J. Dissociating between sensory and perceptual deficits in PD: More than simply a motor deficit. Movement Disorders, 2012, 27(3), 387-92. PMID: 22173884