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Featured Research

What can we learn by studying exercise and Parkinson's? PDF-funded researcher Kristen Pickett, Ph.D., is using magnetic resonance imaging to help find answers to improve life for people with PD.

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PDF Grant Programs

Are you interested in furthering Parkinson's science? View PDF's open grant programs.

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Quality of Life

PDF's targeted PubMed search provides you with access to journal articles from the last 90 days that may be pertinent to Parkinson's disease research. 

Not what you're looking for? Do you need informational publications about Parkinson's targeted for people living with Parkinson's, caregivers and family members?  Please browse PDF's educational materials and programs - which are all available electronically or in print.  Order for yourself, a loved one or in bulk for your patients or support group.

Effect of speech therapy and pharmacological treatment in prosody of parkinsonians.
Luciana Lemos de Azevedo, Irene Soares de Souza, PatrŪcia Marques de Oliveira, Francisco Cardoso
Arq Neuropsiquiatr 2015 Jan; 73(1):30-5
PMID: 25608124 [PubMed - as supplied by publisher]


Effect of an 8-week practice of externally triggered speech on basal ganglia activity of stuttering and fluent speakers.
Akira Toyomura, Tetsunoshin Fujii, Shinya Kuriki
Neuroimage 2015 Jan;
PMID: 25595501 [PubMed - as supplied by publisher]


Dopaminergic Modulation of Cognitive Preparation for Overt Reading: Evidence from the Study of Genetic Polymorphisms.
Christiane Arnold, Suzana Gispert, Halvard Bonig, Frederic von Wegner, Sriramya Somasundaram, Christian A Kell
Cereb Cortex 2015 Jan;
PMID: 25596589 [PubMed - as supplied by publisher]


Effect of dopaminergic medication on speech dysfluency in Parkinson's disease: a longitudinal study.
Tereza TykalovŠ, Jan Rusz, Roman ?mejla, Ji?Ū KlempŪ?, Hana R??i?kovŠ, Jan Roth, Ev?en R??i?ka
J Neural Transm 2015 Jan;
PMID: 25583417 [PubMed - as supplied by publisher]


The effect of increased vocal intensity on interarticulator timing in speakers with Parkinson?s disease: A preliminary analysis.
Kelly Richardson, Joan E Sussman, Elaine T Stathopoulos
J Commun Disord 2014 Nov-Dec; 52:44-64
PMID: 25459460 [PubMed - as supplied by publisher]


Morphometric and functional MRI changes in essential tremor with and without resting tremor.
Valentina Nicoletti, Paolo Cecchi, Daniela Frosini, Ilaria Pesaresi, Serena Fabbri, Stefano Diciotti, Ubaldo Bonuccelli, Mirco Cosottini, Roberto Ceravolo
J Neurol 2015 Jan;
PMID: 25572161 [PubMed - as supplied by publisher]


Single trial behavioral task classification using subthalamic nucleus local field potential signals.
Soroush Niketeghad, Adam O Hebb, Joshua Nedrud, Sara J Hanrahan, Mohammad H Mahoor
Conf Proc IEEE Eng Med Biol Soc 2014 Aug; 2014:3793-6
PMID: 25570817 [PubMed - as supplied by publisher]


The role of executive control in bilingual language production: A study with Parkinson's disease individuals.
Gabriele Cattaneo, Marco Calabria, Paula Marne, Alexandre Gironell, Jubin Abutalebi, Albert Costa
Neuropsychologia 2015 Jan; 66:99-110
PMID: 25448860 [PubMed - as supplied by publisher]


Low-frequency stimulation of STN-DBS reduces aspiration and freezing of gait in patients with PD.
Tao Xie, Julie Vigil, Ellen MacCracken, Arunas Gasparaitis, Joan Young, Wenjun Kang, Jacqueline Bernard, Peter Warnke, Un J Kang
Neurology 2014 Dec;
PMID: 25540305 [PubMed - as supplied by publisher]


Objectifying facial expressivity assessment of Parkinson's patients: preliminary study.
Peng Wu, Isabel Gonzalez, Georgios Patsis, Dongmei Jiang, Hichem Sahli, Eric Kerckhofs, Marie Vandekerckhove
Comput Math Methods Med 2014 ; 2014:427826
PMID: 25478003 [PubMed - as supplied by publisher]


Potentials for research and innovations in allied health professions in Germany].
Sebastian Voigt-Radloff, Britta Lang, Gerd Antes
Z Evid Fortbild Qual Gesundhwes 2014 ; 108 Suppl 1:S4-8
PMID: 25458398 [PubMed - as supplied by publisher]


Dysphagia progression and swallowing management in Parkinson's disease: an observational study.
Karen Fontes Luchesi, Satoshi Kitamura, Lucia Figueiredo Mour„o
Braz J Otorhinolaryngol 2014 Oct;
PMID: 25450106 [PubMed - as supplied by publisher]


Incidence of Developmental Speech Dysfluencies in Individuals with Parkinson's Disease.
Lena Hartelius
Folia Phoniatr Logop 2014 Nov; 66(3):132-137
PMID: 25413693 [PubMed - as supplied by publisher]


Movement disorders in catatonia.
Subhashie Wijemanne, Joseph Jankovic
J Neurol Neurosurg Psychiatry 2014 Nov;
PMID: 25411548 [PubMed - as supplied by publisher]


Validation of the persian translation of the swallowing disturbance questionnaire in Parkinson's disease patients.
Ali Rajaei, S Abolfazl Azargoon, Mohammad Hussein Nilforoush, Ebrahim Barzegar Bafrooei, Fereshteh Ashtari, Ahmad Chitsaz
Parkinsons Dis 2014 ; 2014:159476
PMID: 25405058 [PubMed - as supplied by publisher]


Changes in vowel articulation with subthalamic nucleus deep brain stimulation in dysarthric speakers with Parkinson's disease.
Vincent Martel Sauvageau, JoŽl Macoir, Mťlanie Langlois, Michel Prud'Homme, Lťo Cantin, Johanna-Pascale Roy
Parkinsons Dis 2014 ; 2014:487035
PMID: 25400977 [PubMed - as supplied by publisher]


Quantification of rhythm problems in disordered speech: a re-evaluation.
Anja Lowit
Philos Trans R Soc Lond B Biol Sci 2014 Dec; 369(1658):20130404
PMID: 25385782 [PubMed - as supplied by publisher]


Fully Automated Assessment of the Severity of Parkinson's Disease from Speech.
Alireza Bayestehtashk, Meysam Asgari, Izhak Shafran, James McNames
Comput Speech Lang 2015 Jan; 29(1):172-185
PMID: 25382935 [PubMed - as supplied by publisher]


Trial of Zolpidem, Eszopiclone, and Other GABA Agonists in a Patient with Progressive Supranuclear Palsy.
Andrew Young Chang, Erica Weirich
Case Rep Med 2014 ; 2014:107064
PMID: 25371679 [PubMed - as supplied by publisher]


Retention of Implicit Sequence Learning in Persons Who Stutter and Persons With Parkinson's Disease.
Sarah Smits-Bandstra, Vincent Gracco
J Mot Behav 2014 Nov; :1-18
PMID: 25368907 [PubMed - as supplied by publisher]