ArticleCogent psychology2017
Mapping spontaneous facial expression in people with Parkinson's disease: A multiple case study design.
Article in Cogent psychology, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT03938974 (The Emergence and Evolution of Social Self-Management of Parkinson's Disease), which is not on this map. Cited by 14 papers.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
The Emergence and Evolution of Social Self-Management of Parkinson's Disease
Who cites it
14 citing papers in PubMed, 25 citations in OpenAlex.
- Interaction- and asymmetry-aware facial blendshape analysis for objective quantification of Parkinsonian hypomimia.NPJ Parkinson's disease · 2026Article
- Facial Expression Metrics as Digital Biomarkers of Neurologic Disease.Neurology open access · 2025Article
- Explaining facial action units' correlation with hypomimia and clinical scores in Parkinson's disease.NPJ Parkinson's disease · 2025Article
- Motor symptoms of Parkinson's disease: critical markers for early AI-assisted diagnosis.Frontiers in aging neuroscience · 2025Review
- The Story behind the Mask: A Narrative Review on Hypomimia in Parkinson's Disease.Brain sciences · 2024Review
- Article
- Rasagiline, sleep quality and well-being in Parkinson's disease: a pilot study.Neurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology · 2022Article
- Facial muscle movements in patients with Parkinson's disease undergoing phonation tests.Frontiers in neurology · 2022Article
- Article
- Profile of social self-management practices in daily life with Parkinson's disease is associated with symptom severity and health quality of life.Disability and rehabilitation · 2021Article
- Automated Computer Vision Assessment of Hypomimia in Parkinson Disease: Proof-of-Principle Pilot Study.Journal of medical Internet research · 2021Article
- Autonomic factors do not underlie the elevated self-disgust levels in Parkinson's disease.PloS one · 2021Article
- Social Symptoms of Parkinson's Disease.Parkinson's disease · 2020Review
- Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
4 authors at 2 institutions in 1 country.
Funding
Abstract
People with Parkinson's disease (PD) often experience a decrease in their facial expressivity, but little is known about how the coordinated movements across regions of the face are impaired in PD. The face has neurologically independent regions that coordinate to articulate distinct social meanings that others perceive as gestalt expressions, and so understanding how different regions of the face are affected is important. Using the Facial Action Coding System, this study comprehensively measured spontaneous facial expression across 600 frames for a multiple case study of people with PD who were rated as having varying degrees of facial expression deficits, and created correlation matrices for frequency and intensity of produced muscle activations across different areas of the face. Data visualization techniques were used to create temporal and correlational mappings of muscle action in the face at different degrees of facial expressivity. Results showed that as severity of facial expression deficit increased, there was a decrease in number, duration, intensity, and coactivation of facial muscle action. This understanding of how regions of the parkinsonian face move independently and in conjunction with other regions will provide a new focus for future research aiming to model how facial expression in PD relates to disease progression, stigma, and quality of life.
Indexed as
Identifiers
What OpenQuestion holds
Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.