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The belief that being high is a natural part of your personality predicts an increase in manic symptoms over time in bipolar disorder

Published online by Cambridge University Press:  11 October 2024

Thomas Richardson*
Affiliation:
School of Psychology, University of Southampton, Southampton, UK
Warren Mansell
Affiliation:
Curtin University, Australia
*
Corresponding author: Thomas Richardson; Email: T.H.Richardson@soton.ac.uk
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Abstract

Background:

Several psychological models of bipolar disorder propose that certain types of appraisals can lead to increases in manic symptoms.

Aims:

We tested whether the belief that being ‘high’ is a natural part of one’s personality and correlates with manic symptoms 4 months later when controlling for manic symptoms at baseline.

Method:

This was a prospective 4-month follow-up design using self-report measures. Forty people with a diagnosis of bipolar disorder completed a measure of manic symptoms, a measure of appraisals associated with bipolar disorder, and a single-item measure, ‘To what extent do you feel like being “high” is a natural part of your personality?’, at baseline and follow-up.

Results:

The single-item measure showed modest stability over time and construct validity in its correlation with a standardised measure of appraisals in bipolar disorder. As predicted, the single-item measure correlated with manic symptoms at follow-up when controlling for manic symptoms at baseline.

Conclusions:

The belief that being ‘high’ is a natural part of one’s personality is a potential predictor of manic symptoms. Further research needs to study the potential mediating mechanisms such as activating behaviours, and control for indicators of the bipolar endophenotype.

Type
Brief Clinical Report
Creative Commons
Creative Common License - CCCreative Common License - BY
This is an Open Access article, distributed under the terms of the Creative Commons Attribution licence (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted re-use, distribution and reproduction, provided the original article is properly cited.
Copyright
© The Author(s), 2024. Published by Cambridge University Press on behalf of British Association for Behavioural and Cognitive Psychotherapies

Introduction

Bipolar disorder is a mental health problem characterised by episodes of hypomania (bipolar II disorder) or mania (bipolar I disorder), with symptoms such as increased activity and energy, pressure of speech and reduced need for sleep, and episodes of depression with symptoms such as sadness, reduced energy and feelings of guilt or worthlessness (WHO, 2022).

There is considerable negative impact of bipolar disorder; however, a small body of research has shown that some people with the diagnosis find positives in it, in particular the manic side of bipolar disorder. In a qualitative study, Lobban et al. (Reference Lobban, Taylor, Murray and Jones2012) found that many individuals reported positive experiences of mania such as enhanced abilities and greater connection to others, with a theme of feeling that they had been ‘given a special gift’. An international online survey of 103 people with bipolar disorder found that one in four did not want to completely remove their bipolar disorder, and less than half wanted complete control of their mood (Folstad and Mansell, Reference Folstad and Mansell2019). These views were associated with beliefs about bipolar disorder being part of their identity and increased abilities and feelings of fun when manic (Folstad and Mansell, Reference Folstad and Mansell2019).

The Integrative Cognitive Model of bipolar disorder and mood swings (Mansell et al., Reference Mansell, Morrison, Reid, Lowens and Tai2007) proposes that extreme and personalised beliefs about internal states – such as racing thoughts and increased energy – can lead to full relapse, because the individual implements ‘ascent behaviours’ that increase mood further. Beliefs about the perceived benefits of (hypo)mania are therefore potentially important to the maintenance of mood stability.

Previous qualitative research has demonstrated that some individuals with bipolar disorder see their illness as part of their identity, whilst others see it as separate from themselves (Lobban et al., Reference Lobban, Taylor, Murray and Jones2012). Many also report that having bipolar disorder distorts their sense of self with individuals being unsure what is part of ‘them’ and part of their illness (Inder et al., Reference Inder, Crowe, Moor, Luty, Carter and Joyce2008). Such beliefs are not included in measures of hypomanic appraisals such as the Brief HAPPI (Mansell and Jones, Reference Mansell and Jones2006), and there has been no research, to our knowledge, looking at whether such beliefs impact changes in mood over time. This study therefore aims to examine the impact of a specific belief about mania, that being high is a natural part of one’s personality, hypothesising that such a belief is positively correlated with established measures of appraisals about mood changes, and this endorsement of this belief predicts an increase in manic symptoms over time.

Method

Further information on methods can be found in the Supplementary material online.

Design

This study was a secondary analysis of existing data that looked at correlates of financial difficulties in bipolar disorder over time. The original study was a longitudinal survey-based design with two time points over 4 months.

Participants

The sample consisted of 40 individuals who completed both time points, and were under a National Health Service secondary care mental health team for adults as out-patients, with a formal diagnosis of bipolar disorder by a psychiatrist.

Measures

The following measures were used at both time points:

  • The Altman self-rating mania scale (Altman et al., Reference Altman, Hedeker, Peterson and Davis1997): a self-report measure of manic symptoms over the past week, with items such as self-confidence with ratings from ‘I do not feel more self-confidence than usual’ to ‘I feel extremely self-confident all of the time’, and higher scores represent more severe current manic symptoms, α=78.

  • The Brief Hypomania and Positive Predictions Inventory (Brief-HAPPI) (Mansell and Jones, Reference Mansell and Jones2006): a 30-item measure of appraisals of internal states, developed from the Integrative Cognitive Model (Mansell et al., Reference Mansell, Morrison, Reid, Lowens and Tai2007). Items such as ‘When I feel full of energy I am extremely funny and witty’ are rated on a Likert scale from 0 to 100, with higher scores representing more extreme appraisals. The total score for ‘forward’ items that measure positive beliefs mania was used, α=.83.

  • An author-constructed question was developed: ‘To what extent do you feel like being “high” is a natural part of your personality?’ with a rating scale from 0 (not at all) up to 10 (a lot), with 5 being labelled as ‘somewhat’.

Statistical analysis

Missing data were filled in with mode substitution. All measures were normally distributed with kurtosis and skewness between –2 and +2. One-tailed Pearson’s correlations were used for data at baseline. A partial correlation was conducted for analyses over time, correlating baseline natural personality question with time 2 mania symptoms after controlling for baseline mania symptoms. A power calculation showed that 40 participants could detect a partial correlation of .4 with .82 power.

Results

Scores on the natural personality question ranged from 0 to 10 out of 10, M=5.2 (SD=2.72) with 5 being labelled as ‘somewhat’. Descriptive statistics for the other variables are shown in Table 1 in the Supplementary material. As an indication of construct validity, the question about being high being a natural part of personal personality question was positively correlated with total items about mania from the brief HAPPI: r=.34, p<.05, one-tailed. As an indication of stability over time, the natural personality question at baseline was moderately correlated with the natural personality question at time 2: r=.42, p<.01, one-tailed. There was a non-statistically significant correlation between belief of being high as a natural part of one’s personality to correlate with higher manic symptoms at baseline: r=.20, p>.05, one-tailed. However, when manic symptoms were assessed at time 2, this correlation was stronger and statistically significant, r=.36, p<.05, one-tailed.

A partial correlation was conducted to test the hypothesis that the natural personality question at baseline predicted manic symptoms at time 2; after controlling for baseline manic symptoms there remained a significant correlation, r=.30, p<.05, one-tailed.

Discussion

This study aimed to examine the correlates of a specific belief in bipolar disorder, that being ‘high’ is a natural part of one’s personality. The results show a normally distributed range of scores on the item, and a moderate correlation between responses over 4 months, suggesting modest stability over time.

The significant and moderate correlations with other appraisals about mood, as measured by the brief HAPPI (Mansell and Jones, Reference Mansell and Jones2006), suggest an overlap with other problematic appraisals around mood. There was a non-significant correlation between current manic symptoms and the belief about natural personality at baseline, but a significant correlation with manic symptoms 4 months later. This suggests that this belief might not be a consequence of elevated mood, but actually may play a role in elevating mood over time. As predicted, we found that this belief about high moods being a natural part of personality correlated with manic symptoms 4 months later, after controlling for baseline manic symptoms. This study is therefore in line with the integrative cognitive model of mood swings (Mansell et al., Reference Mansell, Morrison, Reid, Lowens and Tai2007), by suggesting a role of this specific appraisal about high moods being a natural part of personality then impacting mood changes over time. There is a lack of sufficient longitudinal evidence for this model, so this paper adds to the literature on the relationships between appraisals of mood and subsequent changes in mood symptoms over time.

There is a potential overlap between this and the idea of ‘self as context’ and ‘self as content’ within the acceptance and commitment therapy literature: specifically this natural personality question may overlap with whether people feel they have bipolar disorder: an illness that is separate to them and their identity; or if they are bipolar: with this being a inseparable part of the self for them. Previous research has shown those with bipolar disorder often see it as being related to their sense of self and identity (Lobban et al., Reference Lobban, Taylor, Murray and Jones2012). Reduced medication adherence could also be a mechanism whereby those who believe they are naturally high are more likely to stop taking medication which then impacts mood. The specific mechanisms of this belief are unclear at this time, and warrant further research.

An alternative perspective on our findings is that the belief that bipolar disorder reflects one’s natural personality is, to some degree, an accurate perception of the genetic endophenotype that raises the risk of developing bipolar disorder. Indeed, a fruitful line of transdiagnostic research should investigate the degree to which beliefs that the symptoms of any mental disorder diagnosis is a natural part of one’s personality (e.g. compulsions in obsessive compulsive disorder, restricted eating in anorexia nervosa) predict maintenance of the symptoms of the disorder over time, and attempt to control for the genetic markers of these conditions.

This study was limited by a small sample size. Power analysis showed that with 40 participants and a correlation of r=.36, this current study had a power of .75. However, replication with a larger sample is warranted. A longer follow-up would also be beneficial, in particular to show an impact on relapse rates and possibly hospitalisation rather than just self-reported symptoms. Only a single item was used to assess this belief, which would have limited statistical power, and the development of a fuller measure of such positive beliefs about mania may be useful for future research.

In conclusion, this study suggests that those with bipolar disorder have a range of levels of agreement with the belief that being high is a natural part of their personality. This appears to be relatively stable over time and to be associated with increased manic symptoms over time. This suggests that psychological therapies such as CBT, family therapy and group-based psychoeducation, could all be supplemented by targeting this specific belief.

Supplementary material

The supplementary material for this article can be found at https://doi.org/10.1017/S1352465824000389

Data availability statement

Available upon author request.

Acknowledgements

Thank you to David Burniston for his help in searching the literature to inform this paper. Thank you to all of those who took part, and the NHS clinicians who helped with recruitment.

Author contributions

Thomas Richardson: Conceptualization (equal), Data curation (equal), Funding acquisition (equal), Investigation (equal), Methodology (equal), Writing - original draft (equal), Writing - review & editing (equal); Warren Mansell: Conceptualization (equal), Formal analysis (equal), Methodology (equal), Writing - original draft (equal), Writing - review & editing (equal).

Financial support

Funding to support data collection from the original study was provided by NIHR Research Capability Funding via Solent NHS Trust.

Competing interests

W.M. has no competing interests to declare. T.R. has been paid to deliver training about bipolar disorder and will receive royalties from a book on psychological therapies for bipolar disorder.

Ethical standards

The authors have abided by the Ethical Principles of Psychologists and Code of Conduct as set out by the BABCP and BPS. Ethical approval was obtained by an NHS research ethics committee (REC reference no. 15/SC/0436) and the University of Southampton (ERGO ID= 73514), and full written consent was given prior to participation.

References

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