Dataset Information

Incongruences Between Facial Expression and Self-Reported Emotional Reactivity in Frontotemporal Dementia and Related Disorders.

ABSTRACT:

Objective

Emotional reactivity normally involves a synchronized coordination of subjective experience and facial expression. These aspects of emotional reactivity can be uncoupled by neurological illness and produce adverse consequences for patient and caregiver quality of life because of misunderstandings regarding the patient's presumed internal state. Frontotemporal dementia (FTD) is often associated with altered social and emotional functioning. FTD is a heterogeneous disease, and socioemotional changes in patients could result from altered internal experience, altered facial expressive ability, altered language skills, or other factors. The authors investigated how individuals with FTD subtypes differ from a healthy control group regarding the extent to which their facial expressivity aligns with their self-reported emotional experience.

Methods

Using a compound measure of emotional reactivity to assess reactions to three emotionally provocative videos, the authors explored potential explanations for differences in alignment of facial expressivity with emotional experience, including parkinsonism, physiological reactivity, and nontarget verbal responses.

Results

Participants with the three main subtypes of FTD all tended to express less emotion on their faces than they did through self-report.

Conclusions

Exploratory analyses suggest that reasons for this incongruence likely differ not only between but also within diagnostic subgroups.

SUBMITTER: Pressman PS

PROVIDER: S-EPMC10723939 | biostudies-literature | 2023

REPOSITORIES: biostudies-literature

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Publications

Incongruences Between Facial Expression and Self-Reported Emotional Reactivity in Frontotemporal Dementia and Related Disorders.

Pressman Peter S PS Chen Kuan Hua KH Casey James J Sillau Stefan S Chial Heidi J HJ Filley Christopher M CM Miller Bruce L BL Levenson Robert W RW

The Journal of neuropsychiatry and clinical neurosciences 20220822 2

<h4>Objective</h4>Emotional reactivity normally involves a synchronized coordination of subjective experience and facial expression. These aspects of emotional reactivity can be uncoupled by neurological illness and produce adverse consequences for patient and caregiver quality of life because of misunderstandings regarding the patient's presumed internal state. Frontotemporal dementia (FTD) is often associated with altered social and emotional functioning. FTD is a heterogeneous disease, and so ...[more]

PMID: 35989572

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Project description:BackgroundThe emotion recognition task (ERT) was developed to overcome shortcomings of static emotion recognition paradigms, by identifying more subtle deficits in emotion recognition across different intensity levels. In this study, we used the ERT to investigate emotion recognition deficits across the frontotemporal (FTD) and Alzheimer's Dementia (AD) spectrum.MethodsWith the ERT, we assessed the recognition of facial emotional expressions (anger-disgust-fear-happiness-sadness-surprise) across four intensities (40-60-80-100%) in patients with behavioural variant FTD (bvFTD; n = 32), and AD (n = 32), presymptomatic FTD mutation carriers (n = 47) and controls (n = 49). We examined group differences using multilevel linear regression with age, sex and education level as covariates, and performed post hoc analyses on presymptomatic (MAPT, GRN and C9orf72) mutation carriers. Classification abilities were investigated by means of logistic regression.ResultsLowest ERT total scores were found in patients with bvFTD and AD, whereas equal highest performance was found in presymptomatic mutation carriers and controls. For all emotions, significantly lower subscores were found in patients with bvFTD than in presymptomatic mutation carriers and in controls (highest p value = 0.025). Patients with bvFTD performed lower than patients with AD on anger (p = 0.005) and a trend towards significance was found for a lower performance on happiness (p = 0.065). Task performance increased with higher emotional intensity, and classification was better at the lowest than at the highest intensity. C9orf72 mutation carriers performed worse on recognizing anger at the lowest intensity than GRN mutation carriers (p = 0.047) and controls (p = 0.038). The ERT differentiated between patients with bvFTD and controls, and between patients with AD and controls (both p < 0.001).DiscussionOur results demonstrate emotion recognition deficits in both bvFTD and AD, and suggest the presence of subtle emotion recognition changes in presymptomatic C9orf72-FTD. This highlights the importance of incorporating emotion recognition paradigms into standard neuropsychological assessment for early differential diagnosis, and as clinical endpoints in upcoming therapeutic trials.

Project description:The behavioural variant of frontotemporal dementia (bvFTD) is a frequent cause of early-onset dementia. The diagnosis of bvFTD remains challenging because of the limited accuracy of neuroimaging in the early disease stages and the absence of molecular biomarkers, and therefore relies predominantly on clinical assessment. BvFTD shows significant symptomatic overlap with non-degenerative primary psychiatric disorders including major depressive disorder, bipolar disorder, schizophrenia, obsessive-compulsive disorder, autism spectrum disorders and even personality disorders. To date, ∼50% of patients with bvFTD receive a prior psychiatric diagnosis, and average diagnostic delay is up to 5-6 years from symptom onset. It is also not uncommon for patients with primary psychiatric disorders to be wrongly diagnosed with bvFTD. The Neuropsychiatric International Consortium for Frontotemporal Dementia was recently established to determine the current best clinical practice and set up an international collaboration to share a common dataset for future research. The goal of the present paper was to review the existing literature on the diagnosis of bvFTD and its differential diagnosis with primary psychiatric disorders to provide consensus recommendations on the clinical assessment. A systematic literature search with a narrative review was performed to determine all bvFTD-related diagnostic evidence for the following topics: bvFTD history taking, psychiatric assessment, clinical scales, physical and neurological examination, bedside cognitive tests, neuropsychological assessment, social cognition, structural neuroimaging, functional neuroimaging, CSF and genetic testing. For each topic, responsible team members proposed a set of minimal requirements, optimal clinical recommendations, and tools requiring further research or those that should be developed. Recommendations were listed if they reached a ≥ 85% expert consensus based on an online survey among all consortium participants. New recommendations include performing at least one formal social cognition test in the standard neuropsychological battery for bvFTD. We emphasize the importance of 3D-T1 brain MRI with a standardized review protocol including validated visual atrophy rating scales, and to consider volumetric analyses if available. We clarify the role of 18F-fluorodeoxyglucose PET for the exclusion of bvFTD when normal, whereas non-specific regional metabolism abnormalities should not be over-interpreted in the case of a psychiatric differential diagnosis. We highlight the potential role of serum or CSF neurofilament light chain to differentiate bvFTD from primary psychiatric disorders. Finally, based on the increasing literature and clinical experience, the consortium determined that screening for C9orf72 mutation should be performed in all possible/probable bvFTD cases or suspected cases with strong psychiatric features.

Dataset Information

Incongruences Between Facial Expression and Self-Reported Emotional Reactivity in Frontotemporal Dementia and Related Disorders.

Objective

Methods

Results

Conclusions

Publications

Incongruences Between Facial Expression and Self-Reported Emotional Reactivity in Frontotemporal Dementia and Related Disorders.

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