emotional lability in adults with adhd
DESCRIPTION
Presentation from the International Congress of the Royal College of Psychiatrists 24-27 June 2014, LondonTRANSCRIPT
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Philip Asherson MRCPsych, PhD
Professor of Clinical and Molecular Psychiatry &
Honorary Consultant Psychiatrist,
MRC Social Genetic Developmental Psychiatry,
Institute of Psychiatry, UK
MRC Social Genetic and
Developmental Psychiatry
Emotional lability in adults with ADHD: a core feature
03/07/2014 Slides from Prof Philip Asherson or UKAAN
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Disclosures – Professor Philip
Asherson
Honoraria for work on behalf of Kings College London:
• Research grants: Action Medical Research, NIHR,
Framework 7 (EU), Vifor Pharma, WG Pharma,
QBTech,
• Educational awards: Lilly, Shire, Novartis, Janssen
• Membership of advisory boards/consultancy: Lilly,
Shire, Novartis
• Honoraria at sponsored meetings: Lilly, Shire,
Novartis
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IA HI
1Polanczyk et al. (2007); Simon et al. (2009).
IA HI
Phenotypic correlations ~0.60 Genetic correlations ~0.60
Both dimensions similarly heritable ~0.75
EL
Inattention Hyperactivity/impulsivity
?
ADHD characterised by two or more symptom domains
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Emotional lability (EL) Excessive emotional reactions , frequent mood changes: Irritability, volatility, hot temper1
1Skirrow et al (2009); 2van Beijsterveldt et al (2004)
EL
Mood instability
Emotional dysregulation
Affective lability
Emotional impulsivity
Deficient emotional self
regulation 60-70% heritable2
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Symptoms of Emotional Impulsiveness in an adult follow-up (mean = age 27) sample of children with ADHD and community
controls
Barkley and Fischer, JAACAP, 2010
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The unique contribution of Emotional Impulsiveness to psychosocial impairments
Barkley and Fischer, JAACAP, 2010
Severity of Emotional Instability uniquely contributed to numerous impairments:
• Home life • Occupation • Education • Criminal Activity • Driving • Financial outcomes
“EI is as much a component of ADHD as the two traditional dimensions”
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• Treatment effects
• Case control differences
• Contribution to impairment
• Shared genetic risk factors
Does emotional lability reflect a third dimension of psychopathology in adult ADHD?
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Treatment
03/07/2014 Slides from Prof Philip Asherson or UKAAN
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Main areas of improvement
Better able to focus: better able to focus on and
complete tasks. Less mind wandering. Helps in
education and planning for the future
Less restless: less mentally and physically
restless, improved sleep.
Mood more stable: feeling much calmer and
more in control of emotional reactions
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Wender-Reimherr Interview for Adult ADHD Emotional Dysregulation Scale
Affective lability Temper control Emotional over-reactivity
Mood fluctuations Irritability Overwhelmed
Dysphoric periods Temper Outbursts Emotional reactivity
Boredom Lack of control Impairment
Overstimulation
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UKAAN
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0.83 0.82 0.93
0.7 0.69 0.73 0.75
00.10.20.30.40.50.60.70.80.9
1
Reimherr et al., 2007, JCP
Treatment response to methylphenidate
(Cohen’s d)
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12 12 Rösler et al.,2009, 2010
MPH Treatment in Adult ADHD Decline of of WRI Emotional Dysregulation scores over 24
weeks
d = 0.37 for Emotional dysregulation d = 0.39 for DSM-IV ADHD
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Patients:
MIRIAD project Highly selected sample with no comorbidity
and medication free
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Affective Lability Scale (ALS)
Oliver & Simons (2005).
Swift changes from normal mood to other emotional modalities: elation, depression and anger
Measure of negative emotions (getting frustrated, angry and upset)
Centre for neurologic studies Lability scale (CNS-LS)
Moore et al (1997)
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Case-control differences for emotional lability scores
0
0.5
1
1.5
2
2.5
3
3.5
CNS-LS M
ean
ALS
-SF M
ean
Anxio
us-depre
ssed
Depre
ssed-E
lated
Anger
Aver
age
Scor
e (+
/- 1
SD
)
Control
ADHD
Skirrow & Asherson 2012, JAD, 2013
All p<.001
ADHD Sensitivity Specificity
CNS-LS .88 .83
ALS-SF .85 .81
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The Experience sampling method (ESM)
• Participant wears a watch which vibrates at varying intervals
• Then they fill out a questionnaire on the PDA
• Responses collected 8 times a day for a working week (mon-fri)
© Philip Asherson 03/07/2014 Slides from Prof Philip Asherson or UKAAN
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Subjective rating of angry
100
75
50
0
25
ADHD n=35
Controls N=44
Anger ratings for individuals with ADHD and healthy controls over the 5-day period
(Matched for age, IQ and years in education)
Adapted from Skirrow et al., Pschol Med, 2014; KCL PhD 2013 03/07/2014 Slides from Prof Philip Asherson or UKAAN
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010203040506070
(T-1) (T) (T+1) (T+2)
-70 0 70 160-180
Re
po
rte
d a
ng
er
+/-
1S
E
Average duration from reporting of bad event (mins)
ADHD Control
Experience sampling of emotional symptoms
Skirrow et al., Pschol Med, 2014
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ADHD
03/07/2014 Slides from Prof Philip Asherson or UKAAN
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IA HI
1Polanczyk et al. (2007); Simon et al. (2009).
IA HI
Phenotypic correlations ~0.60 Genetic correlations ~0.60
Both dimensions similarly heritable ~0.75
EL
Inattention Hyperactivity/impulsivity
?
ADHD characterised by two or more symptom domains
03/07/2014 Slides from Prof Philip Asherson or UKAAN
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Twin samples
(1) Manchester twin sample (n=1920):
- parent ratings of EL
- mean age 11.2 (5-18 years)
(2) Swedish Twin Study of Child and Adolescent Development (n=534)
- maternal ratings of DESR
- mean age 19.7 (19-20 years)
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Emotional Lability in children and adolescents (1,920 twin pairs aged 5-18)
Parent rated Conners scale
Temper outbursts: explosive unpredictable behaviour
Crying often and easily
Mood changes quickly and drastically
Merwood et al., JAACAP, 2014 03/07/2014 Slides from Prof Philip Asherson or UKAAN
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Phenotypic correlations
Phenotypic analyses
HI IA EL
0.70 (0.62, 0.72)
0.58 (0.56, 0.60)
0.63 (0.61, 0.65)
1,920 twin pairs from Greater Manchester Twin Register: mean age = 11.2 years
Merwood et al., JAACAP, 2014 03/07/2014 Slides from Prof Philip Asherson or UKAAN
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HI
√0.75 √0.64 √0.53
A
√0.00
E
√0.09
F
E
√0.15
A
√0.85
-0.13
HI IA EL
A A A
E E E
√0.85
(0.83, 0.87)
√0.79
(0.75, 0.82)
√0.71
(0.67, 0.75)
√0.15
(0.13, 0.17)
√0.21
(0.18, 0.25)
√0.29
(0.25, 0.33)
0.79(0.77, 0.82) 0.71(0.67, 0.74)
0.74 (0.71, 0.77)
0.36 (0.30, 0.42) 0.25 (0.18, 0.32)
0.29 (0.23, 0.35)
HI IA
-0.15 IA
EL -0.05
EL
A
√0.00
E
√0.15
A
√0.02
E
√0.21
D
√0.17
D
√0.21
D
√0.24
Younger cohort (5-10
HI .77
IA .71
EL .50 Older cohort (11-18)
HI .76
IA .71
EL .61
A single heritable latent factor accounted for covariation of
emotional lability with inattention and hyperactivity-
impulsivity
Merwood et al., JAACAP, 2014 03/07/2014 Slides from Prof Philip Asherson or UKAAN
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• Attention problems: Acts young, fails to finish tasks, concentration, sits still, confused, daydreams, impulsive, poor school performance, inattentive, stares
• Aggression: Argues, mean, demands attention, destroys own property, destroys others property, disruptive at home, disruptive at school, fights, attacks others, screams, stubborn, mood changes rapidly, sulks, suspicious, teases others, temper outbursts, threatens others, loud
• Anxious/ depressed: Cries, fears, fears school, fears doing badly, perfectionism, feels unloved worthless, nervous, fearful, guilty, self conscious, suicidal, worries
Swedish twin sample DESR items (19-20 years)
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Phenotypic correlations
ADHD dimensions + DESR: Inattention (IA) Hyperactive/impulsive (HI) Aggression (AG) Anxious/depressed (AD)
HI AG AD IA
0.50 (0.44, 0.54)
0.55 (0.50, 0.59)
0.47 (0.42, 0.52)
0.48 (0.43, 0.53)
0.32 (0.26, 0.38)
0.44 (0.39, 0.49)
Merwood, PhD, KCL, 2013 03/07/2014 Slides from Prof Philip Asherson or UKAAN
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Common pathway models
IA AG AD
√0.46 √0.48 √0.58 √0.34
F
A
√0.17
E
√0.37
A
√0.18
E
√0.34
A
√0.15
E
√0.27
A
√0.28
E
√0.38
E
√0.19
A
√0.81
HI
Merwood, PhD, KCL, 2013 03/07/2014 Slides from Prof Philip Asherson or UKAAN
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Conclusions
• EL is a common feature of ADHD
• EL is seen in non-comorbid adults with ADHD
• Unique source of impairment
• EL shows response to ADHD drug treatments
• EL shares genetic liability with core ADHD symptoms
Aetiology?: Likely to reflect genetic pleiotropy with distinct underlying neurobiology
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Comment
• DSM classification system is designed to categorise patients
• DSM is NOT designed to reflect all symptoms and impairments (“utility not scientific validity”)
• Nevertheless DSM-5 lists EL as characteristic feature of ADHD that supports the diagnosis
ADHD should always be considered in the differential diagnosis of cases presenting with chronic mood
instability
03/07/2014 Slides from Prof Philip Asherson or UKAAN