Table 3.
Summary of studies on social cognition in the primary progressive aphasia.
| References | Design | Type of PPA | Patients (N) | Mean age of patients (S.D) | HC (N) | Mean age of HC (S.D) | SC domains | Assessment tools | Results | JBI |
|---|---|---|---|---|---|---|---|---|---|---|
| Rohrer et al. (2012) | C-S | nfvPPA, lvPPA, GRN-PPA | 19 | 68.6 (7.9) | 14 | 68.2 (4.8) | EP | Ad-hoc test | All PPA worse than controls | G |
| Irish et al. (2013) | C-S | svPPA | Le: 12; R: 10 | Le: 64.9 (7.0); R: 68.0 (6.7) | 20 | 67.7 (5.3) | EP | TASIT, IRI, FIT, ET | Right svPPA worse than left svPPA | G |
| Binney et al. (2016) | C-S | svPPA | 33 | 62 (7.2) | 14 | 66.6 (4.2) | EP | CATS, TASIT, IRI | svPPA worse than controls | G |
| Bejanin et al. (2017) | C-S | svPPA | 19 | 66.9 (6.97) | 36 | 64.14 (8.25) | ToM | FBT | svPPA worse than controls | G |
| Zahn et al. (2017) | C-S | svPPA, bvFTD | 19 | 67.3 (8.3) | 19 | 60.7 (9.1) | SP | Ad-hoc test | svPPA and bvFTD worse than controls | G |
| Multani et al. (2017) | C-S | svPPA, nfvPPA, lvPPA | 13, 11, 9 | 64.0 (7.22); 68.7 (6.79); 61.6 (6.69) | 32 | 67.0 (4.39) | EP | TASIT, Ad-hoc test | All PPA worse than controls | G |
| Hazelton et al. (2017) | C-S | lvPPA | 16 | 67.3 (7.6) | 24 | 67.9 (6.8) | EP | IRI | No significant difference | M |
| Bertoux et al. (2020) | C-S | svPPA | 16 | 67.89 (6.7) | 20 | 63.26 (6.8) | ToM, EP | ToM-15, ADFES | svPPA worse than controls in EP | L |
AB, Attribution Bias; ADFES, Amsterdam Dynamic Facial Expression Set; CATS, Affect Matching subtest of the Comprehensive Affect Testing System; C-S, Cross-sectional; EDT, Emotion Detection task; E60, Ekman60; EP, Emotional Processing; EPT, Empathy for Pain task; FBT, False belief task; FH, Frith-Happé animations task; FIT, Facial Identification task; FPT, Faux paux test; G, Good; G1, group 1; G2, group 2; GRN-PPA, progranulin-associated aphasia; HC, Healthy Controls; IGT, Iowa Gambling Task; IRI, Interpersonal Reactivity Index; JBI, Joanna Briggs Institute Critical Evaluation Checklists; Le, Left; L, Low; Lo, Longitudinal; lvPPA, logopenic variant PPA; M, Moderate; MET, Multifaceted Empathy Test; mini-SEA, mini Social cognition and Emotion Assessment; N/A, not available; ND, neurodegenerative dementia; nfvPPA, Non fluent variant PPA; RMET, Reading the Mind in the Eyes Test; R, Right; SET, test Storey-based Empathy Task; SNQ, Social Norms Questionnaire; SP, Social Perception; svPPA, semantic variant PPA; TASIT, The Awareness of Social Inference Test; ToM, Theory of Mind; TRCT, The Referential Communication Task.