coming into connection; the neurobiology of trauma...
TRANSCRIPT
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Coming into connection;
the neurobiology of
trauma repair
Silvana Izzo Somatic Experiencing™Practitioner Occupational Therapist and Educator
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We are wired for connection
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Between the stimulus and the response exists potential……..
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How do we know
what we know about
ourselves…?
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We use our minds not to discover facts
but to hide them. One of the things the
screen hides most effectively is the body,
our own body, by which I mean, the ins
and outs of it, its interiors. Like a veil
thrown over the skin to secure its
modesty, the screen partially removes
from the mind the inner states of the
body… (p.28)
Antonio R. Damasio, The Feeling of What Happens:
Body and Emotion in the Making of Consciousness
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Body - Mind
Sympathetic
Sensory Motor
NS
Central NS
Peripheral NS
Parasympathetic
Autonomic NS
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The triune brain
• Paul D. MacLean
Three distinct Languages
• Neocortex – Thinking Brain - Words
I make meaning here
• Limbic System - Social Brain - Feelings
I feel emotions here
• Sensations - Instinctual Survival brain - Sensations
My experience enters here
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The Amygdala – the smoke detector “on guard"
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The Autonomic Nervous System
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https://www.youtube.com/watch?v=V87VXA6gPuE
https://www.youtube.com/watch?v=DUaeqKCoPeQ Waves
Pendulum Rhythm
A resilient nervous system
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Response to manage
the threat
Sensing danger in the nervous system
(Entroception)
Reach - Fight – Flight - Freeze
Collapse
Automatic
Amygdala & ANS
Self protective
Survival focus
Lower (sensation) brain circuits
Sensory
Information Sensory
Information
Belo
w c
onscio
us a
ware
ness
Belo
w c
onscio
us a
ware
ness
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What then is trauma…
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Str
ess
Re
spo
nse
Sensing danger
Feeling Danger
Thinking Danger
Internal or External
Trigger
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Prolonged stress response
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Primed to sense for danger…..
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What is trauma
• A disruption in the nervous system creating many other symptoms
• Being ‘stuck’ in past survival modes after the danger is over, making it difficult to feel safe and focus in present time
• Incomplete self protective and defensive responses
• Sensations of constriction, hyper-arousal, overwhelm and disconnection/dissociation
• Feelings of hopelessness, helplessness, rage,shame
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Trauma is encoded in the
brain stem, the thalamus, the
limbic system and the
hypothalamus…and the
language of that part of the
brain is bodily sensation
Peter Levine Founder Somatic Experiencing ™
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Trauma Physiology • is meant to be heard
• is an alarm system still identifying danger
• has hijacked ones ability to be in the here and now and identify signals of safety (and actual threat)
• reinforces trauma patterns – impacts on awareness/witness
• primed - stimulus response - compresses time and choice
• Neuroception (Porges) – a subconscious system for detecting threats and safety - a feeling of what is (and is not)
• “AM I NOT SAFE -THERE IS A THREAT”
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Top Down
Thinking
Talking
Bottom Up
Sensing
Embodiment 80% Afferent
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Sensory Input from Environment
Previous Experience
Cultural Factors
Social Environment
Expectations about consequences
Beliefs, Knowledge, Logic
How dangerous is
this really?
Outputs to
Protect
• ANS
• Motor
• Endocrine
• Immune
• Pain
Meaning
Making
Expectation
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(Reach)*- Fight - Flight - Freeze - Collapse
• Some traits may only be evident in some states - state dependent traits e.g. in fight state have traits of aggression, rigidity, decrease - flexibility, playfulness, curiosity and social engagement
• Trauma when beyond ‘window of tolerance’ - constant stress and/or threat beyond perception of what system can cope with - move towards trauma
• Trauma becomes locked in this threat-survival response pattern of our nervous systems - stored in our bodies and influences our experience of ourselves ‘the sense of us’ in the here and now
• Can trigger confusion, shame, frustration, sense of hopelessness and helplessness (to responses)
• Moving towards greater ease and sense of safety is achieved not via words but rather via sensations – noticing, mindfulness, sensing, embodiment, grounding, rhythm, connection
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(Reach)*- Fight - Flight Response
• Person is sensing a threat in nervous system (lower brain structures)
• ‘Wired for survival’ – functional (self) protective response to threat
• Below conscious (thinking) level of awareness – it is a biological
response with a survival focus
• Interpretation of sensory information both internal and external (via
amygdala) – “am I safe or is there a threat” Neuroception (Porges)
• Individual’s response is influenced by life experience (biology and
biography) – use dependent patterns & state dependent traits
• Can become stuck in a response pattern to sensing threat/danger that
is no longer helpful; ongoing after threat has gone or not adaptive to the
current situation i.e. sensing danger – terrified – activation – fight mode
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Freeze - Collapse Response • Unable to fight or flee – person freezes – into shutdown
• Not a conscious choice but a nervous system (automatic and
below consciousness) level response to perception that
situation is inescapable
• System is overwhelmed; physiological state stores great
bound energy
• May increase or decrease chance of survival
• Can move from here to collapse (tonic immobility) vaso vagal
• Linked to shame response
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Impacts of trauma
• Takes you out of your senses
• Takes you out of your body
• Takes you out of engagement
• Takes you out of connection
• Ruptures relationships
• Shatters safety and trust
• Creates incoherence – affects concepts of time and space
• Affects memory and perception
• Stored at implicit levels
Provides opportunities for
resilience and post traumatic
growth
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Identity Individual and collective
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Trauma
• Developmental Trauma
• Situational - Episode
Trauma
• Medical Trauma
• Complex Trauma
• Intergenerational Trauma
• Ancestral Trauma
• Collective Trauma
• Cultural Trauma
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How can we restore*
a sense of safety…?
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Heart Brain Connection
Creating Safety
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Safety The Poly Vagal Theory
Dorsal and Ventral
Ventral –
Social Engagement Safety, empathy,
attachment and
attunement
Neuroception and the Social
Engagement System
Soothing the alarm state
threat response
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Porges Polyvagal theory
The Ventral Vagal – the ‘smart vagus’ (part of the parasympathetic nervous system)
• An invitation to:
• social engagement
• attunement
• attachment
• co regulation
“The vagus is
functionally an inhibitory
nerve that slows our
heart up and enables us
to calm down.”
BUT “...there is a very primitive
defensive system still embedded
within our mammalian nervous
system...”
The Dorsal Vagal System
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“Mammals have two vagal circuits, an unmyelinated...and a uniquely Mammalian circuit that is myelinated.”
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"Trauma is much more than a story about the past that
explains why people are frightened, angry or out of control.
Trauma is re-experienced in the present, not as a story, but
as profoundly disturbing physical sensations and emotions
that may not be consciously associated with memories of
past trauma. Terror, rage and helplessness are manifested
as bodily reactions, like a pounding heart, nausea, gut-
wrenching sensations and characteristic body movements
that signify collapse, rigidity or rage…. The challenge in
recovering from trauma is to learn to tolerate feeling what
you feel and knowing what you know without becoming
overwhelmed. There are many ways to achieve this, but all
involve establishing a sense of safety and the regulation of
physiological arousal.“
Bessel van der Kolk
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Trauma and Memory:
One of the key functions of
nervous tissue is to store
information
Body memory – implicit
procedural memory of
trauma “trauma locked in the
body”
“There is a mistaken notion
that trauma is primarily about
memory—the story of what has
happened.” Bessel van der Kolk
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We are not meant to
go it alone…where
does attachment
fit?
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The roots of resilience are to be
found in the sense of being
understood by and existing in the
mind and heart of a loving, attuned
and self possessed other
Bowlby
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We learn to self regulate by co regulation
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Creating Connected Safety
• Social engagement – prosody of voice, posture, (soft) eye contact,
contained touch*
• Relationship within window of tolerance
• Creating time and choice
• Creating (connected) space
• Rhythm and movement
• Voice, humming, chanting
• Breath and embodiment
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Co regulation - a shared process
• Safety, protection, containment and escape paths
• Noticing internal and external environment - sensory ‘goggles’ on
• Slowing it down - stretching time - taking a pause
• Attunement and attachment within window of tolerance
• Building in choice
• Scaffolding for success
• Vertical integration – ‘soothing the amygdala’
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What else helps –
from the frontiers of
neuroscience…
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Melodic Voice
Singing
Prosody
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Dance and Movement
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Rhythm
Music
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Contact
Connection
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(safe)Touch*
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Play (sensory motor)
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Mindfulness
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Yoga
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Embodying Nature
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Self and collective
care for trauma
informed practice…
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Rituals and belonging
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River of life
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A sense of coherence
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Connectedness
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Being Reflection
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….to make our heartbeat match the beat of the universe Joseph Campbell