Effects of Brain Disease On Our Loved Ones and Relationships
Transcript of Effects of Brain Disease On Our Loved Ones and Relationships
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Effects of Brain Disease On Our Loved Ones and Relationships
Virginia Sturm, Ph.D. April 25, 2015
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Positive Emotions
Emotional Change
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How do emotions foster close relationships?
Chagall
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Caregiving is Hard-Wired in Highly Social Species
Plotnik & deWaal, 2014
deWaal, 2007
deWaal & Suchak, 2010
Douglas et al., 2006
helping
consolation
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Prosocial Behaviors Occur Spontaneously
Horner et al., 2011 Plotnik et al., 2011
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Altruistic Helping Behavior
Plotnik et al., 2011
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What are emotions?
Short-lived phenomena – Psychological
• Alter attention, shift certain behaviors upward in response hierarchies, activate memory networks
– Physiological • Rapidly organize the responses of disparate biological
systems (e.g., facial expression, somatic muscular tonus, voice, ANS)
Levenson, 1994
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Antecedent Event
Emotional Response Tendency
Emotional Response
Reappraisal Suppression
Amplification Substitution
Appraisal Reactivity
Regulation
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visceromotor
reactivity
emotional brain networks
emotional reactivity
emotion regulation
appraisal
interoception
afferent representation
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Emotions Shape Our Responses in Diverse Contexts
threat loss contamination unfairness play kinship bond faux pas achievement
fear sadness disgust anger amusement nurturant love embarrassment pride
NEGATIVE
SELF- CONSCIOUS
POSITIVE
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Positive Emotions Serve Important Social Functions
• Family of positive emotions – Compassion, nurturant love,
awe, enthusiasm, amusement, calm, gratitude
• Facilitate: – Approach behavior – New relationships – Creativity, generation, and
expansive thinking Fredrickson, 2004; Griskevicius et al., 2010
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Positive Emotions: Restore and Buffer
• Positive emotions: – “Undo” negative
emotional states – Counter effects of
chronic stress – Foster resilience – Are associated with lower
physiological arousal
Levenson, 1988; Moskowitz, 2003
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The Autonomic Nervous System Connects Brain to Body
Sympathetic
Fight or flight
Physiological increase
Parasympathetic
Tend and befriend
Physiological decrease
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The Parasympathetic Nervous System Lowers Autonomic Arousal
brain
lungs
heart
inspiration
expiration
increases heart rate
decreases heart rate
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Parasympathetic Activity is Advantageous
• Slower breathing: – Decreases heart rate – Increases heart rate
variability
• Higher heart rate variability is associated with: – Positive emotion – Prosocial behavior
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Parasympathetic Tone Promotes Positive Emotion
• Lower negative emotion • Greater positive experience to neutral
situations • Higher positive mood • Greater optimism and agreeableness • Sweet spot for parasympathetic functioning?
Fabes & Eisenberg, 1997; Oveis et al., 2009; Kogan et al., 2014
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Compassion Motivates Helping
Singer & Klimecki, 2014
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Sharing Positive Emotions is Rewarding in the Brain
• Compassion activates reward networks
• Sharing others’ positive emotions also activates reward networks
Klimecki et al., 2013; Morelli et al., 2014
photo credit: ahaparenting.com
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Gratitude Helps to Sustain Close Relationships
• Important social functions • Find-remind-and-bind
theory • Gratitude solidifies
relationships with supportive, loyal partners
Algoe, 2012
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Awe is Good for Your Mind and Body
• Feeling of wonder when in the presence of something vast, large, or hard to grasp
• Associated with: – Cognitive restructuring – Decreased self-focused
attention – Lower inflammatory
levels
Keltner & Haidt, 1999; Shiota et al., 2007; Stellar et al., 2015
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Positive Emotion and the Upward Spiral
Kok & Fredrickson, 2010
parasympathetic activity
social interaction and connection
parasympathetic activity
parasympathetic activity
parasympathetic activity
parasympathetic activity
social interaction and connection
social interaction and connection
social interaction and connection
social interaction and connection
parasympathetic activity
social interaction and connection
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How do changes in patients’ emotions alter relationships?
Modigliani
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Brain Diseases Change Relationships by Altering Emotion
Behavioral Variant Frontotemporal Dementia
(bvFTD) Alzheimer’s Disease
(AD)
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Brain Lesions From Various Causes Have Similar Impact on Behavior
• Individual patients have taught us an enormous amount about brain-behavior relationships
• Diseases/tumors/ injuries that target these regions will have similar impact on thinking and behavior
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AD • Cognitive symptoms
primary • Social and emotional
preservation • Posterior: parietal and
medial temporal
bvFTD • Socioemotional symptoms
primary • Social and emotional
impairment • Anterior: medial frontal
and insula
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bvFTD Example: Loss of Empathy
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AD Example: Preservation of Social Decorum
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Antecedent Event
Emotional Response Tendency
Emotional Response
Reappraisal Suppression
Amplification Substitution
Appraisal Reactivity
Regulation
Loss of Emotion May Alter Behavior
Autonomic Reactivity Facial Expression Subjective Experience
I feel sad.
Reactivity
social faux pas others’ emotions
I feel embarrassed. I feel happy.
embarrassment deficits
in bvFTD
emotional empathy deficits
in bvFTD
embarrassment emotional empathy
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Laboratory Measurement of Emotion
• Physiological Reactivity – Heart rate, respiration, skin
conductance, finger temperature, ear pulse, finger pulse, somatic activity, blood pressure, heart rate variability, cardiac impedance, facial EMG, pupil diameter
• Facial Behavior • Self-Report Did you feel sad while watching the film?
1 2 3 4 5 No A little A lot
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Self-Conscious Emotions Serve Interpersonal Functions
• Social emotions – Guilt, pride, shame, and embarrassment – Social evaluation
• Embarrassment
– Emerges after violation of a social convention – Characteristic facial display and physiological
activation – Promotes reparation of disrupted social bonds
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• Self-representations are progressively more complex across phylogeny (Povinelli & Cant, 1995)
• Self-recognition is seen in highly social species - Human infants (Papousek, 1974)
- Great apes (Gallup, 1970)
- Elephants (Plotnik, 2006)
- Dolphins (Reiss, 2001)
Self-Representations: Uniquely Human?
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Neural Correlates of Self-Processing
• Medial networks • Medial prefrontal
cortex
Northoff et al., 2006
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Laboratory Assessment: Karaoke Task
baseline
1 min.
singing
~2.5 min.
watch baseline
1 min.
watch self singing
~2.5 min.
X X
30 sec.
Sturm et al., 2008
Facial Behavior • Anger, sadness, disgust, fear, surprise,
confusion, contempt, happiness, embarrassment
• Intensity: 0-3
Autonomic Reactivity • Heart rate • Respiration • Skin conductance level • Finger pulse • Temperature
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Diminished Self-Conscious Emotional Reactivity in bvFTD
0
5
10
15
20
25
30
bvFTDControls
Sturm et al., 2008; Sturm et al., 2012
*
Mea
n To
tal E
mot
iona
l Beh
avio
r
• bvFTD < controls in embarrassment behavior and ANS reactivity
• Smaller volume in right pregenual anterior cingulate cortex is associated with lower ANS and behavioral response
* = p< .05
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Embarrassment Examples
bvFTD Healthy Control
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What is empathy?
photograph by Dorthea Lange
Emotional Empathy Cognitive Empathy
Prosocial Behavior
Perception Detection of Socioemotional Stimuli
Facial Mimicry Autonomic Reactivity
Emotion Recognition Perspective-Taking
Affiliation Compassion
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Emotional Empathy is Affect-Sharing
• Mirroring of others’ emotions – Mimicry – Autonomic simulation – Rapidly – Without conscious awareness
• Evolutionarily conserved – Present in other species – Present in human infants
• Depends on emotion generation brain systems – Insula, ACC central amygdala,
hypothalamus PAG
Photo credit: Mancini, 2013
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• Clinical observations – Intact (enhanced?) social behavior in AD
• Emotional symptoms are common – In MCI (35-85%) and AD (75%)
• Increased salience network connectivity in AD (Zhou, 2010)
– Relates to agitation, irritability, aberrant motor behavior (Balthazar, 2013)
Socioemotional Preservation in AD
• Increased emotional contagion in AD?
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0
2
4
6
8
10
Controls MCI AD
MenWomen
0
5
10
15
20
25
Controls MCI AD
MenWomen
Em
otio
nal C
onta
gion
D
epre
ssiv
e S
ympt
oms
A.
B.
** *
**
*= p<.01 and **= p<.001
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Right Temporal Lobe Degeneration is Associated with Higher Emotional Contagion
blue= p<.001, uncorrected, and hot= pFWE<.05
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Laboratory Assessment of Emotional Empathy
Task • 4 film clips in which the
character displayed: - enthusiasm - calm - affection - amusement
X
baseline
35 seconds
film clip
37 seconds
questions
Facial Behavior • Tuning of facial expression
to that of character • Total happiness/ total
emotion displayed
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0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
Enthusiasm Calm Affection Amusement
bvFTD
HC
AD
Facial Mimicry in Diminished in bvFTD Pr
opor
tion
of P
ositi
ve F
acia
l Beh
avio
r
* *
* denotes Bonferroni-adjusted, p< .05 covariates: sex, age, and education
*
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Resting Parasympathetic Tone is Low in bvFTD
*
*
covariates: sex, age, education
*
0
20
40
60
80
100
bvFTD HC
RSA
(ms)
*
Healthy Controls
bvFTD * = p< .05
Sturm et al., in prep.
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How do patients’ emotional changes impact caregivers’ health?
Picasso
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Potential Costs to Caregiving
• Increased burden • Increased depression and anxiety • Lower self-rated physical health, greater
health care utilization, greater decline in cellular immune functioning
• Lower self-rated well-being • There are large individual differences in these
outcomes
(e.g., Schulz et al., 1990, 1995; Dura et al., 1991; Kiecolt-Glaser et al., 1991)
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What are the sources of individual differences in caregiver outcomes
CaregiverOutcomes
Caregiver Characteristics
CognitiveDeficits
Emotional Functioning
PhysicalHealth
FunctionalDeficits
Emotional Functioning
Patient Characteristics
Patient Characteristics
Well-being
Burden
Mental Health
Genes
Personality
Study led by Robert Levenson, PhD and Jennifer Merrilees, RN, PhD
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Disease-Specific Impacts on Caregivers’ Language and Marital Satisfaction
• Couples in which one person had bvFTD or AD had a conversation about an area of conflict
• Caregivers of patients with bvFTD used more negative words than caregivers of patients with AD
• Couples with FTD had lower marital satisfaction than couples with AD
Ascher et al., 2009
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Changes in Connectedness Can Accompany Disease
• Inclusion of Other in Self Scale • Decreases in inclusion predict:
– decreases in life satisfaction and – Increases in caregiver burden
Connelly et al., in prep.
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Positive Emotions
Emotional Change
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Acknowledgements • UCSF
• Bruce Miller, M.D. • William Seeley, M.D. • Howard Rosen, M.D. • Katherine Rankin, Ph.D. • Joel Kramer, Psy.D. • Jennifer Yokoyama, Ph.D. • Alice Hua • Jessica Zakrzewski
• UC Berkeley • Robert Levenson, Ph.D. • Sandy Lwi • Anna Sapozhnikova • Alice Verstaen • Michaela Simpson • Jim Casey • Marcela Otero • Casey Brown • Luma Muhtadie • Deepak Paul • Scott Newton
• Funding • NIH-NIA K23 Award • The Larry L. Hillblom Foundation • Alzheimer’s Disease Research Center
• Our patients, controls, and their families
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