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Involuntary responses to facial cues as an indicator of personality type across age and culture / CHITHRA KANNAN

Swansea University Author: CHITHRA KANNAN

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DOI (Published version): 10.23889/SUthesis.58265

Abstract

Can we learn something about the personality of a person we first encounter just by looking at their face and do we do this automatically and implicitly? Previous research by Jones et al (2019) has determined that accurate implicit personality trait judgements can be made from faces. However, it rem...

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Published: Swansea 2021
Institution: Swansea University
Degree level: Doctoral
Degree name: Ph.D
Supervisor: Tree, Jeremy J. ; Jones, Alex L. ; Towler, John R.
URI: https://cronfa.swan.ac.uk/Record/cronfa58265
first_indexed 2021-10-07T16:31:13Z
last_indexed 2024-11-14T12:13:23Z
id cronfa58265
recordtype RisThesis
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However, it remains unclear what the mechanisms that underpin this process might be, and the degree to which they overlap with other face perception processes such as identity recognition and emotional expression processing. The present thesis aimed to investigate using individual differences approach, whether positively regarded traits among the Big-Five such as extraversion, agreeableness; and negatively regarded trait such as neuroticism judgements can be predicted accurately and implicitly using female young adult composite facial stimuli (Caucasian). It was also investigated whether the ageing process has a detrimental effect on accurate implicit personality judgements by testing a group of younger adults, and a group of older adults. Additionally, extraversion trait judgements among Developmental prosopagnosia and other-ethnicity samples were measured. Furthermore, the present thesis also sought to identify whether implicit trait judgement abilities could be driven by other cognitive factors such as autism traits, alexithymia traits, face memory and emotion perception. Specifically, whether self-perception of neuroticism predicted implicit neuroticism performances. The main findings of this thesis revealed that young adult Caucasian groups were able to form accurate implicit face-based trait judgements of extraversion and neuroticism. A similar pattern of performance was not observed for agreeableness trait judgements. Individuals with Developmental Prosopagnosia were able to form accurate implicit extraversion trait judgements. Older adult groups were able to make accurate implicit judgements of neuroticism, but this pattern was not the same for extraversion. Similarly, other-ethnicity groups did not demonstrate accurate judgements for extraversion. Throughout the empirical studies, the ability to from accurate implicit extraversion, neuroticism and agreeableness personality judgements were unrelated to other cognitive factors such as autism traits, alexithymia traits, face memory and emotion perception. Self-perception of neuroticism was also unrelated to implicit neuroticism trait judgements. On the basis of this pattern of findings, we conclude that face-based implicit trait judgements utilise some independent cognitive process to other face processing abilities, and that the interpretation of particular personality traits is differentially impacted by the ageing process. 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spelling 2024-04-22T15:29:41.3408357 v2 58265 2021-10-07 Involuntary responses to facial cues as an indicator of personality type across age and culture e185eacf242eb00b6328c2309f346f3f CHITHRA KANNAN CHITHRA KANNAN true false 2021-10-07 Can we learn something about the personality of a person we first encounter just by looking at their face and do we do this automatically and implicitly? Previous research by Jones et al (2019) has determined that accurate implicit personality trait judgements can be made from faces. However, it remains unclear what the mechanisms that underpin this process might be, and the degree to which they overlap with other face perception processes such as identity recognition and emotional expression processing. The present thesis aimed to investigate using individual differences approach, whether positively regarded traits among the Big-Five such as extraversion, agreeableness; and negatively regarded trait such as neuroticism judgements can be predicted accurately and implicitly using female young adult composite facial stimuli (Caucasian). It was also investigated whether the ageing process has a detrimental effect on accurate implicit personality judgements by testing a group of younger adults, and a group of older adults. Additionally, extraversion trait judgements among Developmental prosopagnosia and other-ethnicity samples were measured. Furthermore, the present thesis also sought to identify whether implicit trait judgement abilities could be driven by other cognitive factors such as autism traits, alexithymia traits, face memory and emotion perception. Specifically, whether self-perception of neuroticism predicted implicit neuroticism performances. The main findings of this thesis revealed that young adult Caucasian groups were able to form accurate implicit face-based trait judgements of extraversion and neuroticism. A similar pattern of performance was not observed for agreeableness trait judgements. Individuals with Developmental Prosopagnosia were able to form accurate implicit extraversion trait judgements. Older adult groups were able to make accurate implicit judgements of neuroticism, but this pattern was not the same for extraversion. Similarly, other-ethnicity groups did not demonstrate accurate judgements for extraversion. Throughout the empirical studies, the ability to from accurate implicit extraversion, neuroticism and agreeableness personality judgements were unrelated to other cognitive factors such as autism traits, alexithymia traits, face memory and emotion perception. Self-perception of neuroticism was also unrelated to implicit neuroticism trait judgements. On the basis of this pattern of findings, we conclude that face-based implicit trait judgements utilise some independent cognitive process to other face processing abilities, and that the interpretation of particular personality traits is differentially impacted by the ageing process. Based on the findings of this thesis, it is recommended for future research to examine other-ethnicity effects (non-Caucasian stimuli) and age effects (older facial stimuli) on implicit face-trait judgements in conjunction with the neural regions responsible for face-trait judgements (specifically the big-five) using neuroimaging methods. E-Thesis Swansea Face-trait judgements, Age, Autism, Alexithymia, Face memory, Emotion Perception, Other-ethnicity 1 10 2021 2021-10-01 10.23889/SUthesis.58265 A selection of third party content is redacted or is partially redacted from this thesis due to copyright restrictions. COLLEGE NANME COLLEGE CODE Swansea University Tree, Jeremy J. ; Jones, Alex L. ; Towler, John R. Doctoral Ph.D 2024-04-22T15:29:41.3408357 2021-10-07T16:55:36.2781825 Faculty of Medicine, Health and Life Sciences School of Psychology CHITHRA KANNAN 1 58265__21112__facc0b29a9b64667ae9bfa5f1d2d99c9.pdf Kannan_Chithra_PhD_Thesis_Final_Redacted.pdf 2021-10-07T17:32:14.1213927 Output 7894317 application/pdf Redacted version - open access true Copyright: The author, Chithra Kannan, 2021. true eng
title Involuntary responses to facial cues as an indicator of personality type across age and culture
spellingShingle Involuntary responses to facial cues as an indicator of personality type across age and culture
CHITHRA KANNAN
title_short Involuntary responses to facial cues as an indicator of personality type across age and culture
title_full Involuntary responses to facial cues as an indicator of personality type across age and culture
title_fullStr Involuntary responses to facial cues as an indicator of personality type across age and culture
title_full_unstemmed Involuntary responses to facial cues as an indicator of personality type across age and culture
title_sort Involuntary responses to facial cues as an indicator of personality type across age and culture
author_id_str_mv e185eacf242eb00b6328c2309f346f3f
author_id_fullname_str_mv e185eacf242eb00b6328c2309f346f3f_***_CHITHRA KANNAN
author CHITHRA KANNAN
author2 CHITHRA KANNAN
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institution Swansea University
doi_str_mv 10.23889/SUthesis.58265
college_str Faculty of Medicine, Health and Life Sciences
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hierarchy_top_id facultyofmedicinehealthandlifesciences
hierarchy_top_title Faculty of Medicine, Health and Life Sciences
hierarchy_parent_id facultyofmedicinehealthandlifesciences
hierarchy_parent_title Faculty of Medicine, Health and Life Sciences
department_str School of Psychology{{{_:::_}}}Faculty of Medicine, Health and Life Sciences{{{_:::_}}}School of Psychology
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description Can we learn something about the personality of a person we first encounter just by looking at their face and do we do this automatically and implicitly? Previous research by Jones et al (2019) has determined that accurate implicit personality trait judgements can be made from faces. However, it remains unclear what the mechanisms that underpin this process might be, and the degree to which they overlap with other face perception processes such as identity recognition and emotional expression processing. The present thesis aimed to investigate using individual differences approach, whether positively regarded traits among the Big-Five such as extraversion, agreeableness; and negatively regarded trait such as neuroticism judgements can be predicted accurately and implicitly using female young adult composite facial stimuli (Caucasian). It was also investigated whether the ageing process has a detrimental effect on accurate implicit personality judgements by testing a group of younger adults, and a group of older adults. Additionally, extraversion trait judgements among Developmental prosopagnosia and other-ethnicity samples were measured. Furthermore, the present thesis also sought to identify whether implicit trait judgement abilities could be driven by other cognitive factors such as autism traits, alexithymia traits, face memory and emotion perception. Specifically, whether self-perception of neuroticism predicted implicit neuroticism performances. The main findings of this thesis revealed that young adult Caucasian groups were able to form accurate implicit face-based trait judgements of extraversion and neuroticism. A similar pattern of performance was not observed for agreeableness trait judgements. Individuals with Developmental Prosopagnosia were able to form accurate implicit extraversion trait judgements. Older adult groups were able to make accurate implicit judgements of neuroticism, but this pattern was not the same for extraversion. Similarly, other-ethnicity groups did not demonstrate accurate judgements for extraversion. Throughout the empirical studies, the ability to from accurate implicit extraversion, neuroticism and agreeableness personality judgements were unrelated to other cognitive factors such as autism traits, alexithymia traits, face memory and emotion perception. Self-perception of neuroticism was also unrelated to implicit neuroticism trait judgements. On the basis of this pattern of findings, we conclude that face-based implicit trait judgements utilise some independent cognitive process to other face processing abilities, and that the interpretation of particular personality traits is differentially impacted by the ageing process. Based on the findings of this thesis, it is recommended for future research to examine other-ethnicity effects (non-Caucasian stimuli) and age effects (older facial stimuli) on implicit face-trait judgements in conjunction with the neural regions responsible for face-trait judgements (specifically the big-five) using neuroimaging methods.
published_date 2021-10-01T04:58:50Z
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score 11.089386

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