Allen NE, Canning CG, Sherrington C, Lord SR, Latt MD, Close JC, O’Rourke SD, Murray SM, Fung VS (2010) The effects of an exercise program on fall risk factors in people with Parkinson’s disease: a randomized controlled trial. Mov Disord 25:1217–1225
PubMed
Article
Google Scholar
Almeida QJ, Lebold CA (2010) Freezing of gait in Parkinson’s disease: a perceptual cause for a motor impairment? J Neurol Neurosurg Psychiatry 81:513–518
PubMed
Article
CAS
Google Scholar
Amboni M, Cozzolino A, Longo K, Picillo M, Barone P (2008) Freezing of gait and executive functions in patients with Parkinson’s disease. Mov Disord 23:395–400
PubMed
Article
Google Scholar
Amboni M, Barone P, Picillo M, Cozzolino A, Longo K, Erro R, Iavarone A (2010) A two-year follow-up of executive dysfunctions in parkinsonian patients with freezing of gait at on-state. Mov Disord 25:800–802
PubMed
Article
Google Scholar
Arias P, Cudeiro J (2010) Effect of rhythmic auditory stimulation on gait in Parkinsonian patients with and without freezing of gait. PLoS ONE 5:9675
Article
Google Scholar
Bächlin M, Plotnik M, Roggen D, Giladi N, Hausdorff JM, Tröster G (2010) A wearable system to assist walking of Parkinson s disease patients. Methods Inf Med 49:88–95
PubMed
Google Scholar
Baddeley AD (2000) The episodic buffer: a new component of working memory? Trends Cogn Sci 4:417–423
PubMed
Article
Google Scholar
Baddeley AD, Hitch GJ (1974) Working memory. In: Bower GA (ed) The psychology of learning and motivation. Academic Press, New York, pp 47–89
Google Scholar
Bartels AL, de Jong BM, Giladi N, Schaafsma JD, Maguire RP, Veenma L, Pruim J, Balash Y, Youdim MB, Leenders KL (2006) Striatal dopa and glucose metabolism in PD patients with freezing of gait. Mov Disord 21:1326–1332
PubMed
Article
Google Scholar
Bloem BR, Hausdorff JM, Visser JE, Giladi N (2004) Falls and freezing of gait in Parkinson’s disease: a review of two interconnected, episodic phenomena. Mov Disord 19:871–884
PubMed
Article
Google Scholar
Brichetto G, Pelosin E, Marchese R, Abbruzzese G (2006) Evaluation of physical therapy in parkinsonian patients with freezing of gait: a pilot study. Clin Rehabil 20:31–35
PubMed
Article
CAS
Google Scholar
Cohen RG, Chao A, Nutt JG, Horak FB (2011) Freezing of gait is associated with a mismatch between motor imagery and motor execution in narrow doorways, not with failure to judge doorway passability. Neuropsychologia 49:3981–3988
PubMed
Article
Google Scholar
Cowie D, Limousin P, Peters A, Hariz M, Day BL (2012) Doorway-provoked freezing of gait in Parkinson’s disease. Mov Disord 27:492–499
PubMed
Article
Google Scholar
Cubo E, Leurgans S, Goetz CG (2004) Short-term and practice effects of metronome pacing in Parkinson’s disease patients with gait freezing while in the ‘on’ state: randomized single blind evaluation. Parkinsonism Relat Disord 10:507–510
PubMed
Article
Google Scholar
Deroost N, Kerckhofs E, Coene M, Wijnants G, Soetens E (2006) Learning sequence movements in a homogenous sample of patients with Parkinson’s disease. Neuropsychologia 44:1653–1662
PubMed
Article
Google Scholar
Dietz MA, Goetz CG, Stebbins GT (1990) Evaluation of a modified inverted walking stick as a treatment for parkinsonian freezing episodes. Mov Disord 5:243–247
PubMed
Article
CAS
Google Scholar
Donovan S, Lim C, Diaz N, Browner N, Rose P, Sudarsky LR, Tarsy D, Fahn S, Simon DK (2011) Laserlight cues for gait freezing in Parkinson’s disease: an open-label study. Parkinsonism Relat Disord 17:240–245
PubMed
Article
CAS
Google Scholar
Ferraye MU, Debû B, Fraix V, Xie-Brustolin J, Chabardès S, Krack P, Benabid AL, Pollak P (2008) Effects of subthalamic nucleus stimulation and levodopa on freezing of gait in Parkinson disease. Neurology 70:1431–1437
PubMed
Article
CAS
Google Scholar
Ferraye MU, Debû B, Fraix V, Goetz L, Ardouin C, Yelnik J, Henry-Lagrange C, Seigneuret E, Piallat B, Krack P, Le Bas JF, Benabid AL, Chabardès S, Pollak P (2010) Effects of pedunculopontine nucleus area stimulation on gait disorders in Parkinson’s disease. Brain 133:205–214
PubMed
Article
CAS
Google Scholar
Frazzitta G, Maestri R, Uccellini D, Bertotti G, Abelli P (2009) Rehabilitation treatment of gait in patients with Parkinson’s disease with freezing: a comparison between two physical therapy protocols using visual and auditory cues with or without treadmill training. Mov Disord 24:1139–1143
PubMed
Article
Google Scholar
Giladi N, Hausdorff JM (2006) The role of mental function in the pathogenesis of freezing of gait in Parkinson’s disease. J Neurol Sci 248:173–176
PubMed
Article
Google Scholar
Giladi N, Nieuwboer A (2008) Understanding and treating freezing of gait in Parkinsonism, proposed working definition and setting the stage. Mov Disord 23:S423–S425
PubMed
Article
Google Scholar
Griffin HJ, Greenlaw R, Limousin P, Bhatia K, Quinn NP, Jahanshahi M (2011) The effect of real and virtual visual cues on walking in Parkinson’s disease. J Neurol 258:991–1000
PubMed
Article
CAS
Google Scholar
Hackney ME, Earhart GM (2009) The effects of a secondary task on forward and backward walking in Parkinson’s disease. Neurorehabil Neural Repair [Epub ahead of print]
Heremans E, Feys P, Nieuwboer A, Vercruysse S, Vandenberghe W, Sharma N, Helsen WF (2011) Motor imagery ability in patients with early- and mid-stage Parkinson disease. Neurorehabil Neural Repair 25:168–177
PubMed
Article
Google Scholar
Heremans E, Nieuwboer A, Feys P, Vercruysse S, Vandenberghe W, Sharma N, Helsen WF (2012) External cueing improves motor imagery quality in patients with Parkinson disease. Neurorehabil Neural Repair 26:27–35
PubMed
Article
Google Scholar
Huang C, Mattis P, Tang C, Perrine K, Carbon M, Eidelberg D (2007) Metabolic brain networks associated with cognitive function in Parkinson’s disease. Neuroimage 34:714–723
PubMed
Article
Google Scholar
Imamura K, Okayasu N, Nagatsu T (2012) Cerebral blood flow and freezing of gait in Parkinson’s disease. Acta Neurol Scand 126:210–218
Google Scholar
Kadivar Z, Corcos DM, Foto J, Hondzinski JM (2011) Effect of step training and rhythmic auditory stimulation on functional performance in Parkinson patients. Neurorehabil Neural Repair. 25:626–635
PubMed
Article
Google Scholar
Kompoliti K, Goetz CG, Leurgans S, Morrissey M, Siegel IM (2000) “On” freezing in Parkinson’s disease: resistance to visual cue walking devices. Mov Disord 15:309–312
PubMed
Article
CAS
Google Scholar
Kostic VS, Agosta F, Pievani M, Stefanova E, Jecmenica-Lukic M, Scarale A, Spica V, Filippi M (2012) Pattern of brain tissue loss associated with freezing of gait in Parkinson disease. Neurology 78:409–416
PubMed
Article
CAS
Google Scholar
Kudlicka A, Clare L, Hindle JV (2011) Executive functions in Parkinson’s disease: systematic review and meta-analysis. Mov Disord 26:2305–2315
PubMed
Article
Google Scholar
Lebold CA, Almeida QJ (2010) Evaluating the contributions of dynamic flow to freezing of gait in Parkinson’s disease. Parkinsons Dis 732508
Lee SJ, Yoo JY, Ryu JS, Park HK, Chung SJ (2012) The effects of visual and auditory cues on freezing of gait in patients with Parkinson disease. Am J Phys Med Rehabil 91:2–11
PubMed
Article
Google Scholar
Lewis SJG, Barker RA (2009) A pathophysiological model of freezing of gait in Parkinson’s disease. Parkinsonism Relat Disord 15:333–338
PubMed
Article
Google Scholar
Matsui H, Udaka F, Miyoshi T, Hara N, Tamaura A, Oda M, Kubori T, Nishinaka K, Kameyama M (2005) Three-dimensional stereotactic surface projection study of freezing of gait and brain perfusion image in Parkinson’s disease. Mov Disord 20:1272–1277
PubMed
Article
Google Scholar
Miyake A, Friedman NP, Emerson MJ, Witzki AH, Howerter A, Wager TD (2000) The unity and diversity of executive functions and their contributions to complex ‘‘Frontal Lobe’’ tasks: a latent variable analysis. Cogn Psychol 41:49–100
PubMed
Article
CAS
Google Scholar
Moore O, Peretz C, Giladi N (2007) Freezing of gait affects quality of life of peoples with Parkinson’s disease beyond its relationship with mobility and gait. Mov Disord 22:292–295
Article
Google Scholar
Moreau C, Defebvre L, Bleuse S, Blatt JL, Duhamel A, Bloem BR, Destée A, Krystkowiak P (2008) Externally provoked freezing of gait in open runways in advanced Parkinson’s disease results from motor and mental collapse. J Neural Transm 115:1431–1436
PubMed
Article
CAS
Google Scholar
Morris ME, Iansek R, Galna B (2008) Gait festination in Parkinson’s disease: pathogenesis and rehabilitation. Mov Disord 23:451–460
Article
Google Scholar
Morris ME, Iansek R, Kirkwood B (2009) A randomized controlled trial of movement strategies compared with exercise for people with Parkinson’s disease. Mov Disord 24:64–71
PubMed
Article
Google Scholar
Naismith SL, Shine JM, Lewis SJG (2010) The specific contribution of set-shifting to freezing of gait in Parkinson’s disease. Mov Disord 25:1000–1004
PubMed
Article
Google Scholar
Nanhoe-Mahabier W, Delval A, Snijders AH, Weerdesteyn V, Overeem S, Bloem BR (2012) The possible price of auditory cueing: influence on obstacle avoidance in Parkinson’s disease. Mov Disord 27:574–578
PubMed
Article
Google Scholar
Nantel J, McDonald JC, Tan S, Bronte-Stewart H (2012) Deficits in visuospatial processing contribute to quantitative measures of freezing of gait in Parkinson’s disease. Neuroscience 221:151–156
PubMed
Article
CAS
Google Scholar
Nieuwboer A (2008) Cueing for freezing of gait in patients with Parkinson’s disease: a rehabilitation perspective. Mov Disord 23:S475–S481
PubMed
Article
Google Scholar
Nieuwboer A, Kwakkel G, Rochester L, Jones D, van Wegen E, Willems AM, Chavret F, Hetherington V, Baker K, Kim I (2007) Cueing training in the home improves gait-related mobility in Parkinson’s disease: the RESCUE trial. J Neurol Neurosurg Psychiatry 78:134–140
PubMed
Article
CAS
Google Scholar
Nieuwboer A, Baker Willems AM, Jones D, Spildooren J, Lim I, Kwakkel G, Van Wegen E, Rochester L (2009a) The short-term effects of different cueing modalities on turn speed in people with Parkinson’s disease. Neurorehabil Neural Repair 23:831–836
PubMed
Article
Google Scholar
Nieuwboer A, Rochester L, Herman T, Vandenberghe W, Emil GE, Thomaes T, Giladi N (2009b) Reliability of the new freezing of gait questionnaire: agreement between patients with Parkinson’s disease and their carers. Gait Posture 30:459–463
PubMed
Article
Google Scholar
Nutt JG, Bloem BR, Giladi N, Hallett M, Horak FB, Nieuwboer A (2011) Freezing of gait: moving forward on a mysterious clinical phenomenon. Lancet Neurol 10:734–744
PubMed
Article
Google Scholar
Pelosin E, Avanzino L, Bove M, Stramesi P, Nieuwboer A, Abbruzzese G (2010) Action observation improves freezing of gait in patients with Parkinson’s disease. Neurorehabil Neural Repair 24:746–752
PubMed
Article
Google Scholar
Plotnik M, Giladi N, Hausdorff JM (2012) Is freezing of gait in Parkinson’s disease a result of multiple gait impairments? Implications for treatment. Parkinsons Dis (in press)
Rahman S, Griffin HJ, Quinn NP, Jahanshahi M (2008) The factors that induce or overcome freezing of gait in Parkinson’s disease. Behav Neurol 19:127–136
PubMed
CAS
Google Scholar
Redgrave P, Rodriguez M, Smith Y, Rodriguez-Oroz MC, Lehericy S, Bergman H, Agid Y, DeLong MR, Obeso JA (2010) Goal-directed and habitual control in the basal ganglia: implications for Parkinson’s disease. Nat Rev Neurosci 11:760–772
PubMed
Article
CAS
Google Scholar
Schaafsma JD, Balash Y, Gurevich T, Bartels AL, Hausdorff JM, Giladi N (2003) Characterization of freezing of gait subtypes and the response of each to levodopa in Parkinson’s disease. Eur J Neurol 10:391–398
PubMed
Article
CAS
Google Scholar
Schweder PM, Hansen PC, Green AL, Quaghebeur G, Stein J, Aziz TZ (2010) Connectivity of the pedunculopontine nucleus in parkinsonian freezing of gait. NeuroReport 21:914–916
PubMed
Article
Google Scholar
Snijders AH, Nijkrake MJ, Bakker M, Munneke M, Wind C, Bloem BR (2008) Clinimetrics of freezing of gait. Mov Disord 23:S468–S474
PubMed
Article
Google Scholar
Snijders AH, Leunissen I, Bakker M, Overeem S, Helmich RC, Bloem BR, Toni I (2011) Gait-related cerebral alterations in patients with Parkinson’s disease with freezing of gait. Brain 134:59–72
PubMed
Article
Google Scholar
Snijders AH, Haaxma CA, Hagen YJ, Munneke M, Bloem BR (2012) Freezer or non-freezer: clinical assessment of freezing of gait. Parkinsonism Relat Disord 18:149–154
PubMed
Article
Google Scholar
Spildooren J, Vercruysse S, Desloovere K, Vandenberghe W, Kerckhofs E, Nieuwboer A (2010) Freezing of gait in Parkinson’s disease: the impact of dual-tasking and turning. Mov Disord 25:2563–2570
PubMed
Article
Google Scholar
Spildooren J, Vercruysse S, Meyns P, Vandenbossche J, Heremans E, Desloovere K, Vandenberghe W, Nieuwboer A (2012) Turning and unilateral cueing in Parkinson’s disease patients with and without freezing of gait. Neuroscience 207:298–306
PubMed
Article
CAS
Google Scholar
Tan DM, McGinley JL, Danoudis ME, Iansek R, Morris ME (2011) Freezing of gait and activity limitations in people with Parkinson’s disease. Arch Phys Med Rehabil 92:1159–1165
PubMed
Article
Google Scholar
Tessitore A, Amboni M, Esposito F, Russo A, Picillo M, Marcuccio L, Pellecchia MT, Vitale C, Cirillo M, Tedeschi G, Barone P (2012a) Resting-state connectivity in patients with Parkinson’s disease and freezing of gait. Parkinsonism Relat Disord 18:781–787
Tessitore A, Amboni M, Cirillo G, Corbo D, Picillo M, Russo A, Vitale C, Santangelo G, Erro R, Cirillo M, Esposito F, Barone P, Tedeschi G (2012b) Regional gray matter atrophy in patients with Parkinson’s disease and freezing of gait. Am J Neurolradiol 33:1804–1809
Thevathasan W, Coyne TJ, Hyam JA, Kerr G, Jenkinson N, Aziz TZ, Silburn PA (2011) Pedunculopontine nucleus stimulation improves gait freezing in Parkinson disease. Neurosurgery 69:1248–1253
PubMed
Article
Google Scholar
Vandenbossche J, Deroost N, Soetens E, Kerckhofs E (2009) Does implicit learning in non-demented Parkinson’s disease depend on the level of cognitive functioning? Brain Cogn 69:194–199
PubMed
Article
Google Scholar
Vandenbossche J, Deroost N, Soetens E, Spildooren J, Vercruysse S, Nieuwboer A, Kerckhofs E (2011) Freezing of gait in Parkinson disease is associated with impaired conflict resolution. Neurorehabil Neural Repair 25:765–773
PubMed
Article
Google Scholar
Vandenbossche J, Deroost N, Soetens E, Coomans D, Spildooren J, Vercruysse S, Nieuwboer A, Kerckhofs E (2012a) Impaired implicit sequence learning in Parkinson’s disease patients with freezing of gait (in press)
Vandenbossche J, Deroost N, Soetens E, Zeischka P, Spildooren J, Vercruysse S, Nieuwboer A, Kerckhofs E (2012b) Conflict and freezing of gait in Parkinson’s disease: support for a response control deficit. Neuroscience 206:144–154
PubMed
Article
CAS
Google Scholar
Vercruysse S, Spildooren J, Heremans E, Vandenbossche J, Levin O, Wenderoth N, Swinnen SP, Janssens L, Vandenberghe W, Nieuwboer A (2012a) Freezing in Parkinson’s disease: a spatiotemporal motor disorder beyond gait. Mov Disord 27:254–263
PubMed
Article
Google Scholar
Vercruysse S, Devos H, Munks L, Spildooren J, Vandenbossche J, Vandenberghe W, Nieuwboer A, Heremans E (2012b). Explaining freezing of gait in Parkinson’s disease: motor and cognitive determinants. Mov Disord 27:1644–1651
Vercruysse S, Spildooren J, Heremans E, Vandenbossche J, Wenderoth N, Swinnen SP, Vandenberghe W, Nieuwboer A (2012c) Abnormalities and cue dependency of rhythmical upper-limb movements in Parkinson patients with freezing of gait. Neurorehabil Neural Repair 26:636–645
PubMed
Article
Google Scholar
Willems AM, Nieuwboer A, Chavret F, Desloovere K, Dom R, Rochester L, Jones D, Kwakkel G, Van Wegen E (2006) The use of rhythmic auditory cues to influence gait in patients with Parkinson’s disease, the differential effect for freezers and non-freezers, an explorative study. Disabil Rehabil 28:721–728
PubMed
Article
CAS
Google Scholar
Yarnall A, Rochester L, Burn DJ (2011) The interplay of holinergic function, attention, and falls in Parkinson’s disease. Mov Disord 26:2496–2503
PubMed
Article
Google Scholar