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R. Poryazova · SciRah

Researcher profile · Semantic Scholar

R. Poryazova

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R. Poryazova — researcher profile on SciRah

h-index: 26
Works: 71
Citations: 1,927

Most-cited papers

Abnormal activity in hypothalamus and amygdala during humour processing in human narcolepsy with cataplexy.
S. Schwartz, Aurélie Ponz, R. Poryazova, E. Werth +3 more
2008Brain : a journal of neurology154 citations Open access
Semantic Scholar
Abnormal activity in reward brain circuits in human narcolepsy with cataplexy
Aurélie Ponz, R. Khatami, R. Poryazova, E. Werth +3 more
2010Annals of Neurology113 citations Open access
Semantic Scholar
Progressive dopamine and hypocretin deficiencies in Parkinson’s disease: is there an impact on sleep and wakefulness?
M. Wienecke, E. Werth, R. Poryazova, H. Baumann-Vogel +5 more
2012Journal of Sleep Research112 citations Open access
Semantic Scholar
Excessive Daytime Sleepiness in Parkinson’s Disease: Characteristics and Determinants
R. Poryazova, D. Benninger, D. Waldvogel, C. Bassetti
2010European Neurology105 citations Open access
Semantic Scholar
Reduced amygdala activity during aversive conditioning in human narcolepsy
Aurélie Ponz, R. Khatami, R. Poryazova, E. Werth +3 more
2009Annals of Neurology86 citations Open access
Semantic Scholar
Slow‐wave sleep and motor progression in Parkinson disease
S. Schreiner, L. Imbach, E. Werth, R. Poryazova +5 more
2019Annals of Neurology85 citations Open access
Semantic Scholar
Topographic sleep EEG changes in the acute and chronic stage of hemispheric stroke
R. Poryazova, R. Huber, R. Khatami, E. Werth +4 more
2015Journal of Sleep Research81 citations
Semantic Scholar
REM Sleep Behavior Disorder in Parkinson’s Disease: A Questionnaire-Based Survey
R. Poryazova, M. Oberholzer, C. Baumann, C. Bassetti
2013Journal of Clinical Sleep Medicine (JCSM)70 citations Open access
Semantic Scholar
Sleepwalking in patients with Parkinson disease.
R. Poryazova, D. Waldvogel, C. Bassetti
2007Archives of Neurology66 citations Open access
Semantic Scholar
Plastic Changes Following Imitation-Based Speech and Language Therapy for Aphasia
S. Sarasso, S. Määttä, F. Ferrarelli, R. Poryazova +2 more
2014Neurorehabilitation and Neural Repair61 citations Open access
Semantic Scholar
Diagnostic delay in narcolepsy type 1: combining the patients' and the doctors' perspectives
R. Taddei, E. Werth, R. Poryazova, C. Baumann +1 more
2016Journal of Sleep Research57 citations Open access
Semantic Scholar
Sleepwalking, REM Sleep Behaviour Disorder and Overlap Parasomnia in Patients with Parkinson's Disease
Nadia Di Fabio, R. Poryazova, M. Oberholzer, C. Baumann +1 more
2013European Neurology53 citations Open access
Semantic Scholar
Insufficient sleep: Enhanced risk‐seeking relates to low local sleep intensity
Angelina Maric, Eszter Montvai, E. Werth, Matthias Storz +6 more
2017Annals of Neurology50 citations Open access
Semantic Scholar
Sleep-Disordered Breathing and Periodic Limb Movements in Narcolepsy with Cataplexy: A Systematic Analysis of 35 Consecutive Patients
F. Pizza, Sonja Tartarotti, R. Poryazova, C. Baumann +1 more
2013European Neurology48 citations Open access
Semantic Scholar
Risk factors for the development of epilepsy in patients with brain metastasis.
F. Wolpert, Anna Lareida, R. Terziev, Bettina Grossenbacher +6 more
2019Neuro-Oncology37 citations Open access
Semantic Scholar
EEG after sleep deprivation is a sensitive tool in the first diagnosis of idiopathic generalized but not focal epilepsy.
Roland Renzel, C. Baumann, R. Poryazova
2016Clinical Neurophysiology37 citations
Semantic Scholar
REM sleep behavior disorder is not linked to postural instability and gait dysfunction in Parkinson
D. Benninger, J. Michel, D. Waldvogel, V. Candia +3 more
2010Movement Disorders36 citations Open access
Semantic Scholar
Evidence for metabolic hypothalamo-amygdala dysfunction in narcolepsy.
R. Poryazova, Betina Schnepf, E. Werth, R. Khatami +4 more
2009Sleep36 citations Open access
Semantic Scholar
Excessive Daytime Sleepiness in Idiopathic Restless Legs Syndrome: Characteristics and Evolution under Dopaminergic Treatment
U. Kallweit, M. Siccoli, R. Poryazova, E. Werth +1 more
2009European Neurology34 citations Open access
Semantic Scholar
Dysregulation of Sleep Behavioral States in Narcolepsy
S. Schoch, E. Werth, R. Poryazova, T. Scammell +2 more
2017Sleep32 citations Open access
Semantic Scholar
Optimizing MSLT Specificity in Narcolepsy With Cataplexy
Tobias Murer, L. Imbach, Marc Hackius, R. Taddei +7 more
2017Sleep32 citations Open access
Semantic Scholar
Sodium Oxybate in Narcolepsy with Cataplexy: Zurich Sleep Center Experience
R. Poryazova, Sonja Tartarotti, R. Khatami, C. Baumann +4 more
2011European Neurology29 citations Open access
Semantic Scholar
Non-fluent aphasia and neural reorganization after speech therapy: insights from human sleep electrophysiology and functional magnetic resonance imaging
S. Sarasso, P. Santhanam, S. Määttä, R. Poryazova +3 more
2010Archives Italiennes de Biologie28 citations
Semantic Scholar
REM sleep behavior in Parkinson disease: Frequent, particularly with higher age
H. Baumann-Vogel, H. Hor, R. Poryazova, P. Valko +2 more
2020PLoS ONE27 citations Open access
Semantic Scholar
Intraindividual Increase of Homeostatic Sleep Pressure Across Acute and Chronic Sleep Loss: A High-Density EEG Study
Angelina Maric, C. Lustenberger, E. Werth, C. Baumann +2 more
2017Sleep27 citations Open access
Semantic Scholar
Revisiting the impact of REM sleep behavior disorder on motor progression in Parkinson's disease.
M. Sommerauer, P. Valko, E. Werth, R. Poryazova +2 more
2014Parkinsonism & Related Disorders27 citations Open access
Semantic Scholar
Weak with sex: sexual intercourse as a trigger for cataplexy.
R. Poryazova, R. Khatami, E. Werth, C. Bassetti
2009Journal of Sexual Medicine26 citations Open access
Semantic Scholar
Anatomical features of primary brain tumors affect seizure risk and semiology
K. Akeret, C. Serra, Omar Rafi, V. Staartjes +8 more
2019NeuroImage: Clinical24 citations Open access
Semantic Scholar
Bound to supine sleep: Parkinson's disease and the impact of nocturnal immobility.
M. Sommerauer, E. Werth, R. Poryazova, Yury V. Gavrilov +2 more
2015Parkinsonism & Related Disorders24 citations Open access
Semantic Scholar
Humor as a Reward Mechanism: Event-Related Potentials in the Healthy and Diseased Brain
Armand Mensen, R. Poryazova, S. Schwartz, R. Khatami
2014PLoS ONE24 citations Open access
Semantic Scholar
Remitting narcolepsy? Longitudinal observations in a hypocretin-deficient cohort
F. Büchele, C. Baumann, R. Poryazova, E. Werth +1 more
2018Sleep23 citations Open access
Semantic Scholar
Cortical morphometry in narcolepsy with cataplexy
M. Schaer, R. Poryazova, S. Schwartz, C. Bassetti +1 more
2012Journal of Sleep Research23 citations Open access
Semantic Scholar
Individual spindle detection and analysis in high-density recordings across the night and in thalamic stroke
Armand Mensen, R. Poryazova, R. Huber, C. Bassetti
2018Scientific Reports22 citations Open access
Semantic Scholar
Sleepwalking in Parkinson’s disease: a questionnaire-based survey
M. Oberholzer, R. Poryazova, C. Bassetti
2011Journal of Neurology22 citations Open access
Semantic Scholar
Cyclic alternating pattern in narcolepsy patients and healthy controls after partial and total sleep deprivation.
R. Poryazova, E. Werth, L. Parrino, M. Terzano +1 more
2011Clinical Neurophysiology22 citations Open access
Semantic Scholar
Anticonvulsive effect of anterior thalamic deep brain stimulation in super-refractory status epilepticus crucially depends on active stimulation zone-A single case observation.
L. Imbach, C. Baumann, R. Poryazova, Olivia Geissler +6 more
2019Seizure21 citations Open access
Semantic Scholar
Bradysomnia in Parkinson's disease.
L. Imbach, M. Sommerauer, R. Poryazova, E. Werth +3 more
2016Clinical Neurophysiology21 citations Open access
Semantic Scholar
Extending sleep to confirm insufficient sleep syndrome is challenging
H. Baumann-Vogel, S. Hoff, P. Valko, R. Poryazova +2 more
2020Journal of Sleep Research20 citations Open access
Semantic Scholar
Magnetic resonance spectroscopy in a patient with Kleine-Levin syndrome
R. Poryazova, Betina Schnepf, Peter Boesiger, C. Bassetti
2007Journal of Neurology18 citations Open access
Semantic Scholar
Persistent generalized periodic discharges: A specific marker of fatal outcome in cerebral hypoxia.
Roland Renzel, C. Baumann, I. Mothersill, R. Poryazova
2017Clinical Neurophysiology16 citations Open access
Semantic Scholar
Predictive value of EEG in postanoxic encephalopathy: A quantitative model-based approach.
Evdokia Efthymiou, Roland Renzel, C. Baumann, R. Poryazova +1 more
2017Resuscitation15 citations Open access
Semantic Scholar
Laughing as a manifestation of rapid eye movement sleep behavior disorder.
Francesca Siclari, M. Wienecke, R. Poryazova, Claudio L. Bassetti +1 more
2011Parkinsonism & Related Disorders15 citations Open access
Semantic Scholar
Actigraphic assessment of periodic leg movements in patients with restless legs syndrome
Maria A. T. Cippà, C. Baumann, Massimiliano M. Siccoli, C. Bassetti +2 more
2013Journal of Sleep Research13 citations Open access
Semantic Scholar
The Roles of Dopamine and Hypocretin in Reward: A Electroencephalographic Study
Armand Mensen, R. Poryazova, G. Huegli, C. Baumann +2 more
2015PLoS ONE11 citations Open access
Semantic Scholar
Time perception in narcolepsy in comparison to patients with Parkinson's disease and healthy controls—an exploratory study
R. Poryazova, Armand Mensen, F. Bislimi, G. Huegli +2 more
2013Journal of Sleep Research8 citations Open access
Semantic Scholar
Sleepiness at the Time of Testing Impairs Olfactory Performance
E. Ghielmini, R. Poryazova, C. Baumann, C. Bassetti
2012European Neurology8 citations Open access
Semantic Scholar
Sleep-Related Rhythmic Movement Disorder in Triplets: Evidence for Genetic Predisposition?
Helen K. Hayward-Koennecke, E. Werth, P. Valko, C. Baumann +1 more
2019Journal of Clinical Sleep Medicine (JCSM)6 citations Open access
Semantic Scholar
Exploring the impact of experimental sleep restriction and sleep deprivation on subjectively perceived sleep parameters
Angelina Maric, M. Bürgi, E. Werth, C. Baumann +1 more
2018Journal of Sleep Research6 citations Open access
Semantic Scholar
Auditory Enhancement of Sleep Slow Waves in People with Parkinson Disease: A Proof-of-Concept Study
S. Schreiner, J. Horlacher, S. Fattinger, K. Renerts +14 more
2025medRxiv5 citations Open access
Semantic Scholar
How reliable is a simplified MSLT nap termination protocol?
P. Siegenthaler, P. Valko, Roland Renzel, E. Werth +3 more
2023Sleep Medicine3 citations Open access
Semantic Scholar

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C. Bassetti×19
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P. Valko×13
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Roland Renzel — researcher profile on SciRah