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Automated Facial Expressions Analysis in Schizophrenia: A Continuous Dynamic Approach
[chapter]
2016
Communications in Computer and Information Science
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Facial expressions play a major role in psychiatric diagnosis, monitoring and treatment adjustment. ...
By defining dynamic and intensity AUs activation characteristic features, we found evidence for blunted affect and reduced positive emotional expressions in patients. ...
Acknowledgements: This work was supported in part by the Intel Collaborative Research Institute for Computational Intelligence (ICRI-CI), and the Gatsby Charitable Foundations. ...
doi:10.1007/978-3-319-32270-4_8
fatcat:u6mhgyoqrffrvcqijbisnyj6hm
Automated Facial Action Coding System for dynamic analysis of facial expressions in neuropsychiatric disorders
2011
Journal of Neuroscience Methods
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Applicability of the automated FACS was illustrated in a pilot study, by applying it to data of videos from eight schizophrenia patients and controls. ...
Facial expression is widely used to evaluate emotional impairment in neuropsychiatric disorders. ...
Acknowledgments Funding for analysis and method development was provided by NIMH grant R01-MH073174 (PI: R. Verma); Funding for data acquisition was provided by NIMH grant R01-MH060722 (PI: R. C. ...
doi:10.1016/j.jneumeth.2011.06.023
pmid:21741407
pmcid:PMC3402717
fatcat:fdsyzkthorgkbcpgpvtdffgwxq
The State of Automated Facial Expression Analysis (AFEA) in Evaluating Consumer Packaged Beverages
2020
Beverages
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Despite the many articles on automated facial expression analysis (AFEA), literature is limited in regard to food and beverage studies. ...
In the late 1970s, analysis of facial expressions to unveil emotional states began to grow and flourish along with new technologies and software advances. ...
Table 1 . 1 Commercially available automated facial expression analysis (AFEA) software as of December 2019.
Interest: The authors declare no conflict of interest. ...
doi:10.3390/beverages6020027
doaj:799f0b571a4e4cfa8c87ed3031a60c57
fatcat:2jfwjmdj4rapld646o4vwbjb3e
Dimensional Information-Theoretic Measurement of Facial Emotion Expressions in Schizophrenia
2014
Schizophrenia Research and Treatment
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Altered facial expressions of emotions are characteristic impairments in schizophrenia. ...
To improve reliable assessment of dynamic facial expression changes, we have developed automated measurements of facial emotion expressions based on information-theoretic measures of expressivity ofambiguityanddistinctivenessof ...
The authors thank Elizabeth Martin and Kristin Healey for their assistance in data acquisition. ...
doi:10.1155/2014/243907
pmid:24724025
pmcid:PMC3956414
fatcat:ilt5xkym7vcx7di4hdfqmaiw2e
Frontonasal dysmorphology in bipolar disorder by 3D laser surface imaging and geometric morphometrics: Comparisons with schizophrenia
2010
Schizophrenia Research
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Any developmental relationship between bipolar disorder and schizophrenia engenders continuing debate. ...
That dysmorphology of the frontonasal prominences and related facial regions in bipolar disorder is more similar to than different from that found in schizophrenia indicates some common dysmorphogenesis ...
Hennessy, we dedicate this article to his life and work; may he rest in peace. The authors thank Prof. Peter Hammond, University of London, UK, and Dr. ...
doi:10.1016/j.schres.2010.05.001
pmid:20554158
pmcid:PMC2941027
fatcat:3ys3f2at75bnjbttci47zxtbvq
Schizophrenia-Related Grants and Contracts--Fiscal Year 1980
1982
Schizophrenia Bulletin
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As the research progresses over the years, the goal continues to be to study facial expressions and body movements. ...
Emphasis is placed on the development of the VOL. 8, NO. 1, 1982 153 Facial Affect Coding System, a system for recording facial muscle actions which are distinguishable to an observer. ...
The statistical analysis includes not only advanced linear models, but also nonmetric approaches, life table methods, and nonlinear models. ...
doi:10.1093/schbul/8.1.142
fatcat:qgw5l3ss6ncybgock2bmndxb7y
Attractor cortical neurodynamics, schizophrenia, and depression
2021
Translational Psychiatry
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In depression, the lateral orbitofrontal cortex non-reward attractor network system is over-connected and has increased sensitivity to non-reward, providing a new approach to understanding depression. ...
In schizophrenia, a reduction of the firing rates of cortical neurons, caused for example by reduced NMDA receptor function or reduced spines on neurons, can lead to instability of the high firing rate ...
Acknowledgements I warmly acknowledge and greatly appreciate collaborations with many scientists in the research described here, and this is evident in the publications that are cited. ...
doi:10.1038/s41398-021-01333-7
pmid:33846293
fatcat:fcqesss6mrakdo7xfsxhwxu6wi
Cognition-Emotion Dysinteraction in Schizophrenia
2012
Frontiers in Psychology
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Here, dysfunction in a prototypical "cold" cognitive operation may result in "affective" deficits in schizophrenia. ...
Evolving theories of schizophrenia emphasize a "disconnection" in distributed frontostriatal-limbic neural systems, which may give rise to breakdowns in cognition and emotional function. ...
Daphne Holt and Graham Murray for providing their previously published data highlighted in this paper. ...
doi:10.3389/fpsyg.2012.00392
pmid:23091464
pmcid:PMC3470461
fatcat:mf5ciwlbebctzgiax2xkajjfbu
Comprehensive review: Computational modelling of schizophrenia
2017
Neuroscience and Biobehavioral Reviews
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Computational modelling has been used to address: (1) the variety of symptoms observed in schizophrenia using abstract models of behaviour (e.g. ...
As such, these computational studies have mostly supported diverging hypotheses of schizophrenia's pathophysiology, resulting in a literature that is not always expanding coherently. ...
In a recent review of computational studies in schizophrenia research, Rolls and Deco (2011) called for further investigation using bottom-up modelling approaches. ...
doi:10.1016/j.neubiorev.2017.08.022
pmid:28867653
fatcat:vqinxxnesvdc5jzl6dejlk5he4
Neurophysiologic Characterization of Resting State Connectivity Abnormalities in Schizophrenia Patients
2020
Frontiers in Psychiatry
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Results highlight a novel approach for characterizing alterations in connectivity in the neuropsychiatric patient populations. ...
and n = 126 healthy comparison subjects.Results: Two primary abnormalities in resting-state networks were detected in schizophrenia patients. ...
This data-driven approach enables an analysis of cortical network dynamics with directed information flow [e.g., Granger causality (23); increased or decreased EEG phase coherence between two cortical ...
doi:10.3389/fpsyt.2020.608154
pmid:33329160
pmcid:PMC7729083
fatcat:wmrkgxu25negji7yllg4osqplq
Startle Habituation and Sensorimotor Gating in Schizophrenia and Related Animal Models
1987
Schizophrenia Bulletin
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Recent evidence from animal studies of prepulse inhibition provides strong support for a schizophrenia-like loss of sensory gating with nucleus accumbens dopamine overactivity. ...
These new data indicate that the serotonergic system, working through serotonin-2 receptors, may play a pivotal role in the modulation of startle habituation. ...
A. Geyer was supported by a Research Scientist Development Award from the National Institute of Mental Health (MH-00188). We thank Gregory Tapson, Virginia Masten, and Dr. ...
doi:10.1093/schbul/13.4.643
pmid:3438708
fatcat:ob5nzvmx2vaaxjxobnfkubxpjq
Brain TSPO imaging and gray matter volume in schizophrenia patients and in people at ultra high risk of psychosis: An [ 11 C]PBR28 study
2018
Schizophrenia Research
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Some post mortem and in vivo studies in schizophrenia show evidence for elevated microglial activation compared to matched controls. ...
Patients with schizophrenia show whole brain and cortical gray matter (GM) volume reductions which are progressive early in their illness. ...
The transformation parameters were then applied to the corresponding attenuationcorrected PET frames, creating a movement-corrected dynamic image for analysis. ...
doi:10.1016/j.schres.2017.08.063
pmid:28893493
pmcid:PMC6027955
fatcat:rxe77vxg7rhe3ogc4mvnkllcjy
Advances in Cognitive Remediation Training in Schizophrenia: A Review
2022
Brain Sciences
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Cognitive Remediation Training (CRT) in schizophrenia has made great strides since its introduction in the 1990s. ...
greatest impact in specific cognitive domains. ...
CogPack or Brain Fitness plus MRIGE C: CogPack or Brain Fitness alone 78 12 Social Cognition: Facial Emotion Identification Test; Facial Emotion Discrimination Battery; Penn Emotion Test; Dynamic Social ...
doi:10.3390/brainsci12020129
pmid:35203893
pmcid:PMC8870375
fatcat:yl6neundrvaahjini2gd52iic4
Embodiment and Affectivity in Moebius Syndrome and Schizophrenia: A Phenomenological Analysis
[chapter]
2016
Phenomenology for the Twenty-First Century
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For example, James says he's only recently begun using his arms to gesture while speaking-but it continues to be a deliberate, eff ortful exercise. 34 Similarly, Lydia says: 'Instead of facial expression ...
MS and schizophrenia-will be more apparent in the subsequent analysis. ...
doi:10.1057/978-1-137-55039-2_13
fatcat:gqtgnao7j5anldntiek4h2vpgq
7th European Conference on Schizophrenia Research: Time for precision medicine?
2019
European Archives of Psychiatry and Clinical Neuroscience
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Lincoln Objective: Reduced facial expression is a common expressive negative symptom (ENS) in schizophrenia. ...
A combination of both was able to specify a 25% schizophrenia subset with similar gene expression changes. ...
We propose a dynamic analysis of the recovery process reported by persons diagnosed as having schizophrenia. ...
doi:10.1007/s00406-019-01045-6
fatcat:4tbfk4p4yngqto7uxhrdczle54
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