can online therapy help alleviate anxiety in autism? · part 1: the nature of anxiety in autism...
TRANSCRIPT
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Can online therapy help alleviate anxietyin autism?
Sebastian B Gaigg
THE AUTISM RESEARCH GROUP
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THE AUTISM RESEARCH GROUP
Part 1: The Nature of Anxiety in Autism
Prevalence and Clinical presentation
The suspected mechanismsSensory processing
Intolerance of Uncertainty
Alexithymia (difficulty understanding own emotions)
Part 2: Implications for treatment
A brief reminder of CUES (see Jacqui Rodgers’ slides)
Mindfulness Based Cognitive Therapy (MBCT)
Overview
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THE AUTISM RESEARCH GROUP
The Nature of Anxiety inAutism
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Prevalence
Around 10 - 15% of people in thegeneral population have ananxiety disorder at some pointin their life - most commonly aspecific phobia.
THE AUTISM RESEARCH GROUP
The prevalence in ASD is around50%. Generalised Anxiety, SocialAnxiety and Phobias are amongthe most common (Buck et al., 2014;
Kerns et al,. 2014)
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THE AUTISM RESEARCH GROUP
Anxiety is often overlooked in ASD due to diagnosticovershadowing and atypical presentation (e.g., Kerns et al., 2014).
• Highly Idiosyncratic phobias (e.g., walking through doors; Cartoons)
• Social Anxiety without fear of negative evaluation
• Compulsions unmotivated by distress relief
• Excessive worries about changes in routines or in the environment
But awareness is growing and the mechanisms of anxiety arebeginning to be understood.
Diagnosis and clinical presentation
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THE AUTISM RESEARCH GROUP
Aberrant Sensory processes (Green & Ben-Sasson, 2010)
Intolerance of Uncertainty (IoU) (Boulter et al., 2014)
Alexithymia (Maisel et al., 2016)
Emotional Acceptance / Non-Reactivity (Maisel et al., 2016)
The mechanisms (see South & Rodgers, 2017; Maisel et al., 2016)
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THE AUTISM RESEARCH GROUP
Aberrant Sensory processes (Green & Ben-Sasson, 2010)
Intolerance of Uncertainty (IoU) (Boulter et al., 2014)
Alexithymia (Maisel et al., 2016)
Emotional Acceptance / Non-Reactivity (Maisel et al., 2016)
The mechanisms (see South & Rodgers, 2017; Maisel et al., 2016)
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THE AUTISM RESEARCH GROUP
Sensory processing and the concept of uncertainty
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THE AUTISM RESEARCH GROUP
Sensory processing and the concept of uncertainty
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THE AUTISM RESEARCH GROUP
Sensory processing and the concept of uncertainty
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THE AUTISM RESEARCH GROUP
Sensory processing and the concept of uncertainty
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Measuring intolerance of uncertainty
THE AUTISM RESEARCH GROUP
People differ in how easy they find it to cope with uncertaintiesand unpredictable situations
The Intolerance of Uncertainty Scale – 12 (IoU-12)
Unforeseen events upset me greatly
It frustrates me not having all the information I need
I can’t stand being taken by surprise
I always want to know what the future has in store for me
...
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THE AUTISM RESEARCH GROUP
ANXIETY
Intolerance ofUncertainty
SensoryProcessing
RepetitiveBehaviour
IoU is reliably elevated andrelated to anxiety in autism
IoU is also related toatypical sensory function...
...and to repetitive /stereotyped behaviours
Anxiety may result from uncertainties that stem from atypical sensory input.Repetitive behaviours may function to make the world less uncertain.
The mechanisms (see South & Rodgers, 2017; Maisel et al., 2016)
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THE AUTISM RESEARCH GROUP
Aberrant Sensory processes (Green & Ben-Sasson, 2010)
Intolerance of Uncertainty (IoU) (Boulter et al., 2014)
Alexithymia (Maisel et al., 2016)
Emotional Acceptance / Non-Reactivity (Maisel et al., 2016)
The mechanisms (see South & Rodgers, 2017; Maisel et al., 2016)
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Alexithymia
50% of autistic individuals have difficulties identifying anddescribing their own emotions - Alexithymia
The Toronto Alexithymia Scale:
I’m often confused by what emotion I am feeling.
It is difficult for me to find the right words for my feelings.
When I’m upset, I don’t know if I am sad, frightened, or angry.
I am often puzzled by sensations in my body.
...
THE AUTISM RESEARCH GROUP
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THE AUTISM RESEARCH GROUP
Alexithymia: What is involved?(Gaigg, Maurice & Bird, 2016)
How aroused are you actually?How aroused do you feel?
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0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
1.8
0 5 10
Act
ual
aro
usa
l
How aroused do you feel?
THE AUTISM RESEARCH GROUP
0
0.5
1
1.5
2
2.5
0 5 10
Act
ual
aro
usa
l
How aroused do you feel?
r = 0.53
r = 0.13
Alexithymia: What is involved?(Gaigg, Maurice & Bird, 2016)
Participant 1 Participant 2
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THE AUTISM RESEARCH GROUP
-0.40
-0.30
-0.20
-0.10
0.00
0.10
0.20
0.30
0.40
0.50
20 30 40 50 60 70
link
bet
we
en
felt
and
actu
alar
ou
sal(
r)
Alexithymia
ASD
TD
Alexithymia: What is involved?(Gaigg, Maurice & Bird, 2016)
Those with difficulties reportingtheir actual arousal report thegreatest difficultiesunderstanding own emotions
Those who accurately reporttheir arousal, report the leastdifficulties understandingtheir own emotions.
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THE AUTISM RESEARCH GROUP
ANXIETY
Intolerance ofUncertainty
SensoryProcessing
RepetitiveBehaviour
Alexithymia
In addition to uncertainties about the external sensory environment,uncertainties about internal sensory signals seem to contribute to anxiety...
The mechanisms (see South & Rodgers, 2017; Maisel et al., 2016)
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THE AUTISM RESEARCH GROUP
ANXIETY
Intolerance ofUncertainty
SensoryProcessing
RepetitiveBehaviour
Alexithymia
...and Alexithymia might further contribute to anxiety by compromisingthe ability to regulate difficult emotions effectively
Emotion regulation/ non-reactivity
The mechanisms (see South & Rodgers, 2017; Maisel et al., 2016)
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THE AUTISM RESEARCH GROUP
Implications for Treatment
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THE AUTISM RESEARCH GROUP
Coping with Uncertainty in Everyday Situations (CUES)(Rodgers et al., 2016)
Parent mediated (zone of proximal development)
Raise awareness of IoU and how it relates to autism symptoms
Gradually introduce uncertainties in non-threateningsituations and help promote tolerance of uncertainty
• identify helpful strategies through play and real-life ‘experiments’
• identify and reduce less helpful strategies
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THE AUTISM RESEARCH GROUP
Mindfulness Based Cognitive Therapies (MBCT)
Already established as effective in reducing anxiety,depression & stess in general public (Grossman et al., 2004; Strauss et
al., 2014)
Enhances awareness of thoughts, feelings and sensations,without reacting to them.
I.e., targets Alexithymia / non-reactivity...
...and (possibly) uncertainty about sensory signals
Initial evidence promising but only one rigorous RCT to date inASD (Spek et al., 2013; see Cachia et al., 2016 for review)
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THE AUTISM RESEARCH GROUP
Are online mindfulness programmes effective?
Aims:
• Establish feasibility and acceptability of online MBCT program
• Estimate long-term benefits vis-a-vis a waitlist and alternativetreatment group
• Seek user feedback to understand need for autism-specific adaptations
Design:
• 9 month longitudinal RCT
• MBCT vs. Active control vs. WL
T1 T2 T3~ 14 weeks
T4~ 12 weeks~ 8 weeks
March 2017Dec. 2017
June 2016March 2017
ActivePeriod
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THE AUTISM RESEARCH GROUP
MBCT: BeMindful.co.uk
8-week MBCT course delivered across 4 modules, which guideuser through standard mindfulness practices.
As effective as face-to-face MBCT (Krushe et al.,
2013)
Endorsed by NHS
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THE AUTISM RESEARCH GROUP
Active control: Serene.me.uk
8-week psycho-educational course, largely based on CBTprinciples, which provides advice on how to manage anxiety.
Minimal overlapwith MBCT course
No systematicevidence butdeveloped inresponse to clinicalneed within NHSsetting
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THE AUTISM RESEARCH GROUP
72 adults responded to call
BeMindful (MBCT) n= 195 (26%) dropped out14 (74%) Completed T3
Serenity (CBT) n= 167 (44%) dropped out9 (56%) Completed T3
Waitlist (WL) n= 193 (16%) dropped out16 (84%) Completed T3
7 (10%) declined11 (15%) consentedbut did not start
54 (75%) enrolled
At each time-point participants completed measures of Anxiety, IoU,Alexithymia and emotional non-reactivity
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THE AUTISM RESEARCH GROUP
Measures
Clinical Presentation
Autism Spectrum Quotient (AQ)
Social Responsiveness Scale-Adults (SRS)
Autism Diagnostic Observation Schedule (ADOS)
Wechsler Adult Intelligence Scale (WAIS)
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THE AUTISM RESEARCH GROUP
Measures
AnxietyTrait Anxiety – STAI – T
Physiological aspects – BAI
Social Anxiety – LSAS
Generalised Anxiety – GAD 7
Broader clinical outcomes
Clinical Outcomes in Routine Evaluation – CORE-OM
Predicted Mediators
Intolerance of Uncertainty – IoU 12
Emotional Acceptance – FFMQ (non-reactivity sub-scale)
Alexithymia – BVAQ (Verbalise & Identify sub-scales)
‘State’ Anxiety (overthe past 1-2 weeks)
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THE AUTISM RESEARCH GROUP
Results at Baseline (n = 54): Simple Correlations
STAI-T BAI LSAS GAD-7
IoU .622** .563** .562** .581**
NR -.720** -.479** -.294* -.537**
Alex .404** .189 .341* .242
STAI-T BAI LSAS
BAI .679**
LSAS .489** .495**
GAD-7 .775** .786** .361**
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THE AUTISM RESEARCH GROUP
Predictors of anxiety at Time 1 (n = 54)
0
10
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40
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60
70
0 20 40 60 80
Into
lera
nce
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cert
ain
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Anxiety
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THE AUTISM RESEARCH GROUP
Predictors of anxiety at Time 1 (n = 54)
0
5
10
15
20
25
30
35
0 20 40 60 80
No
n-r
eac
tivi
ty
Anxiety
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THE AUTISM RESEARCH GROUP
Predictors of anxiety at Time 1 (n = 54)
0
5
10
15
20
25
30
35
40
0 20 40 60 80
Ale
xith
ymia
Anxiety
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THE AUTISM RESEARCH GROUP
DV Model (adjusted R2; F-test) Pred. B t p
Anxiety R2=.60; F(3,50)=27.8; p<.001 IoU .35 3.46 <.005
NR -.52 -5.08 <.001
Alex .09 0.93 .36
Baseline data confirm that IoU, Alexithymia and Non-reactivity are all associated with anxiety in ASD.
In combination, these factors account for 60% ofparticipants anxious symptoms, with IoU and non-reactivitypulling the most weight (Maisel et al., 2016).
Predictors of anxiety at Time 1 (n = 54)
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THE AUTISM RESEARCH GROUP
ANXIETY
Intolerance ofUncertainty
SensoryProcessing
RepetitiveBehaviour
AlexithymiaEmotion regulation
/ non-reactivity
The mechanisms (see South & Rodgers, 2017; Maisel et al., 2016)
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THE AUTISM RESEARCH GROUP
MBCTCBT
Results: T1-T3 primary outcomes
40
42
44
46
48
50
52
54
56
58
60
T1 T2 T3
STA
I-T
5
7
9
11
13
15
17
19
21
23
25
T1 T2 T3
BA
I
30
35
40
45
50
55
60
65
70
T1 T2 T3
LSA
S
0
2
4
6
8
10
12
14
16
18
20
T1 T2 T3
GA
D-7
Consistent pattern ofimmediate benefitsfollowing CBT versusdelayed benefitsfollowing MBCTF(4,58) = 2.70; p<.05)
WL
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THE AUTISM RESEARCH GROUP
MBCT
CBT
Results: T1-T3 primary outcomes
40
45
50
55
60
T1 T2 T3
An
xiet
y
Significant decreases in anxiety following both onlinesupport tools but at different time-points
Immediatebenefits for CBT
Delayed benefitsfor MBCT
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THE AUTISM RESEARCH GROUP
MBCTCBT
35
37
39
41
43
45
47
49
T1 T2 T3
IoU
15
17
19
21
23
25
T1 T2 T3
NR
Some indication that IoU and Non-reactivity alsoimprove over time...
Changes over time
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THE AUTISM RESEARCH GROUP
MBCTCBT
20
22
24
26
28
30
T1 T2 T3
Ale
x
...but Alexithymia increased (!?)
We think, because participants become more aware oftheir difficulties reflecting on their emotions
Changes over time
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THE AUTISM RESEARCH GROUP
Conclusions
Intolerance of uncertainty and difficulties introspecting onand regulating/accepting own emotions play a big role inanxiety in autism.
Interventions targeting these difficulties show promise inalleviating anxiety in autism, including easily accessibleonline tools.
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THE AUTISM RESEARCH GROUP
What are the next steps
Bigger trials with representative / clinically referred samples.
Adapt the programs for different settings and age groups
Extend the work to formally take into consideration the role ofsensory sensitivities and repetitive behaviours.
Engage with schools, parents, practitioners & individuals withautism to learn from their experiences & practices!!!
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THE AUTISM RESEARCH GROUP
Mindfulness in Schools Project (MiSP)
Teaches children about the nature of thoughts,emotions and attention
e.g., ‘Training a Puppy’
Engages children in mindful exercises that canreadily be integrated into daily activities
e.g., FOFBOC
Seems feasible to adapt to cater for the specificneeds of autistic children
e.g., integrate with sensory-related activities; useof inexpensive bio-feedback to facilitate
understanding of internal signals
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Thanks to....
Gracie McLaven Ritika Shah Paul Flaxman Corinna Haenschel
Mikle SouthJacqui Rodgers
Richard Latham Rebecca Millard
Steve CottrellAnd You!!