tackling hard problems · sweet spot: behaviors bridging basic and clinical work appraisal feeling...
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Tackling Hard Problems
Daniel S. Pine, MD
Emotion & Development Branch
Neuroscience, Treatment, & Anxiety
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Disclosures: Conflicts
Sources of Research Support
National Institute of Mental Health Paid Editorial Relationship Am J Psychiatry– Deputy Editor
Consulting RelationshipsNone
Stock Equity (>$10,000)None
Speaker’s BureauNone
Roles in DSM-5, RDoC
Role in cognitive training research
My perspective
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Outline
• Overview
• Two Systems Theory
• Reflections
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Outline
• Overview
• Two Systems Theory
• Reflections
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Research Goals
• Use neuroscience for clinical means
• Anxiety as a good starting point
• Areas generating key questions:
– Developmental change in symptoms
– Differences between risk & disorder
– Understanding and improving treatment
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Anxiety
Features
Disruption in
Core
Psychological
ProcessesThreat
Circuit
Amygdala,
Prefrontal Cortex
(PFC), other Cortex
Genetic influences
Environmental influences
Vigilance &
Avoidance
Attention
Sweet spot: behaviors bridging basic and clinical work
Appraisal
Feeling
Afraid
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Anxiety
Features
Disruption in
Core
Psychological
ProcessesThreat
Circuit
Amygdala,
Prefrontal Cortex
(PFC), other Cortex
Genetic influences
Environmental influences
Vigilance &
Avoidance
Attention
Appraisal
Feeling
Afraid
Overarching Conceptualization:
1.“Disorders” composed of distinct components
2.Level of Analysis: brain-mind-symptom
3.Nature of perturbation differs across components
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Addressing Measurement Problems
Attention Response
to Acute Threat
Pine (2017)
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Outline
• Overview
• Two Systems Theory
An example of successful reduction?
• Reflections
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Defensive-Survival Circuit
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Defensive-Survival Circuit
Overarching Conceptualization:
1. High Cross-Species Similarity
2. High Similarity Across Development
3. Perturbation: context-inappropriate deployment of an
adaptive brain-mind reaction
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VISUAL
CORTEX
AMYGDALA
HEART RATE
BLOOD PRESSURE
VISUAL THALAMUS
LeDoux. Sci Am. 1994;270:50.
Cross-Species Conservation
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CONGRUENT
INCONGRUENT
NEUTRAL
Context Inappropriate:
1. In real danger, all show effect
2. Anxiety show in safe contexts
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Linking Three Levels:
Brain-Mind-Disorder
CONGRUENT
INCONGRUENT
NEUTRALn=54 Anxious (ANX)
n=51 Healthy (HV)
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n=54 Anxious
n=51 Healthy
Map displayed at p<.005 threshold
Amygdala-Insula Connectivity Across Event Types
Inappropriate Deployment of
Amygdala-PFC Connectivity
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Training of Attention
Attention Bias Modification Therapy (ABMT)
Successful reduction:•New treatment
•Targets mind
•Link to brain function
Linking Three Levels:
Brain-Mind-Disorder
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Cristea et al. 2015
Attention Bias Modification Therapy (ABMT)
Training of Attention
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CBT-Defensive Actions
ABMT-Defensive Reactions
Treating Two Components
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72 patients randomized to active or placebo ABMT
All patients receive CBT
Less Post-Treatment Anxiety in
Active than Placebo Condition
Effect Size=0.45
t =1.9; p=0.06
Attention Bias Modification
Training (ABMT):
Adapt Dot Probe to Implicitly
Alter Threat Reactions
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CBT + PLACEBO ABMT CBT + ACTIVE ABMT
r= -.78; p<.001 r=+.15
ABMT-Specific Treatment
Outcome
Figure Displayed at p<0.005 Threshold
n=40 (22 placebo, 18 active)
PPI Analysis: fMRI Connectivity at Baseline
Group [active vs. placebo]-by-∆PARS-by-Event Type
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Defensive-Survival Circuit
Overarching Conceptualization:
1. High Cross-Species Similarity
2. High Similarity Across Development
3. Perturbation: context-inappropriate deployment of an
adaptive brain-mind reaction
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Cognitive (appraisal?) Circuit
Overarching Conceptualization:
1. Low Cross-Species Similarity
2. Low Similarity Across Development
3. Perturbation: poorly understood
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Diagnosis of Anxiety• Self-Report of Distress
• Model of Consciousness
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Self-Report & Development
1. Reliability increases with age
2. Concept of “self” also changes
3. Accuracy increases with age
Diagnosis of Anxiety• Self-Report of Distress
• Model of Consciousness
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Jennifer Y. Lau et al. PNAS 2011;108:11:4500-4505
Self-Report & Development
1. Reliability increases with age
2. Concept of “self” also changes
3. Accuracy increases with age
4. May relate to dlPFC maturation
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Jennifer Y. Lau et al. PNAS 2011;108:11:4500-4505
Self-Report & Development
1. Reliability increases with age
2. Concept of “self” also changes
3. Accuracy increases with age
4. May relate to dlPFC maturation
5. Brain-Mind-Symptom & development?
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Threat appraisal: How afraid are you?
Explicit memory: How likely did she scream?
Extinction recall fMRI
How afraid are you??
A lot None
Visit 1: Conditioning; Extinction
Visit 2 (20 days later): Recall
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Threat appraisal: How afraid are you?
Explicit memory: How likely did she scream?
Extinction recall fMRI
How afraid are you??
A lot None
Visit 1: Conditioning; Extinction
Visit 2 (20 days later): Recall
n=200, ~50 in each group
Level of dlPFC Engagement
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Outline
• Overview
• Two Systems Theory
• Reflections
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Progress in Brain Imaging?
• Old Problems– Disorder definitions do not match brain components
– Work insufficiently critical, overly broad
• Solutions– Tightly link brain to narrow, component behaviors
– Expect no larger than medium effects
– Leverage treatment to test falsifiable ideas
• New Problems– Clinical problems involve subjective distress
– How deeply to pursue consciousness?
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Outline
• Overview
• Two Systems Theory
• Reflections
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CollaboratorsNIMH-SDAN
Rany Abend
Jennifer Britton
Chris Monk
Eric Nelson
David Pagliaccio
Tomer Shechner
Lauren White
NIMH-IRP
Ellen Leibenluft
Ken Towbin
Brenda Benson
Peter Bandettini
U Maryland
Nathan Fox
Jillian Hardee
Koraly Perez
Jenna Suway
U Southampton
Brendan Bradley
Karin Mogg
Tel Aviv University
Rany Abend
Yair Bar-Haim
Amit Lazarov
Ilan Wald
Griffith University
Allison Waters
Institute for Child & Adolescent Psychiatry
Giovanni Salum
Gisele Manfro
Luis Rhode
University of Haifa
Tomer Shechner
Northwestern University
Laurie Wakschlag
Joel Voss
Elvira Zobel
University of Connecticut
Margaret Briggs-Gowan
Damion Grasso
Yale-FIU
Jeremy Pettit
Wendy Silverman
Wash. University
Deanna Barch
Joan Luby
Chad Sylvester
NYU
Joe LeDoux