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Post-Traumatic Stress Disorder:
Identification and Diagnosis
By Babette
Rothschild, MSW, LCSW © 1997
Member:
International and European Societies for
Traumatic Stress Studies
National Association of Social Workers (USA)
Post-traumatic Stress Disorder (PTSD) disrupts
the functioning of those afflicted by it, interfering with the ability to meet
their daily needs and perform the most basic tasks. Trauma continues to intrude
on the lives of people with PTSD as they relive the life-threatening
experiences they have suffered with visual, auditory and/or somatic reality,
reacting in mind and body as though such events were still occurring. Not
everyone experiencing traumatic events develops PTSD; it is a complex psychobiological
condition that can emerge in the wake of life-threatening experiences when
normal psychological and somatic stress responses to a traumatic event are not
resolved and released. In this paper it is proposed that Autonomic Nervous
System hyperarousal is at the core of PTSD and the driving force behind
phenomena such as dissociation, freezing and flashbacks. Acute traumatic
reactions are differentiated from PTSD and strategies for intervention are
suggested.
INTRODUCTION
Events that are threatening to life or bodily
integrity will produce traumatic stress in its victim. This is a normal,
adaptive response of the mind and body to protect the individual by preparing
him to respond to the the threat by fighting or fleeing. If the fight or flight
is successful, the traumatic stress will usually be released or dissipated
allowing the victim to return to a normal level of functioning. PTSD develops:
when fight or flight is not possible; the threat persists over a long period of
time; and/or the threat is so extreme that the instinctive response of the
victim is to freeze.
The following are examples of people with
PTSD:
• A firefighter quits his job two years short of
retirement because of persistent fiery nightmares and chest pains.
• A young girl has become hyperactive since her
tonsillectomy nine months before.
• A previously studious teenaged boy is no
longer able to concentrate on his school work and is failing his classes since
the death of his grandmother last year. He no longer enjoys going to school,
and is becoming increasingly house-bound.
• A Middle Eastern refugee is arrested after a
fight in a bar. He says all he remembers is a smell that reminded him of the
prison where he was tortured, then he woke up in a police cell.
• A war veteran still awakes screaming from
nightmares of combat, thirty years after he was discharged from service.
• A woman who was molested when she was six
years old begins to be disturbingly over-protective of her own six year old
daughter.
• A man seeks psychotherapy because he is
suffering from persistent anxiety and panic attacks.
• A boy is observed aggressively trying to stick
pencils and crayons under the tails of his stuffed animals.
POST TRAUMATIC STRESS DISORDER (PTSD)
There is a mistaken assumption that anyone
experiencing a traumatic event will have PTSD. This is far from true. Studies
vary, but confirm that only a fraction of those facing trauma will develop PTSD
(Elliott 1997, Kulka et al 1990, Breslau et al 1991). What distinguishes those
who do not is still a hot topic of discussion, but there are many clues.
Factors mediating traumatic stress appear to include: preparation for expected
stress (when possible), successful fight or flight responses, prior experience,
internal resources, support from family, community, and social networks,
debriefing, emotional release, and psychotherapy.
PTSD is a relatively new diagnostic category
in the history of psychology. It first appeared in 1980 in the internationally
accepted authority on PTSD, the DSM (Diagnostic and Statistical Manual of the
American Psychological Association), 3rd Edition (APA 1980). At that time the
DSM had a limited view of what could cause PTSD, defining it as developing from
an experience that anyone would find traumatic, leaving no room for individual
perception or experience of an event. This definition was expanded when the DSM
III was revised in 1987, and the DSM IV (APA 1994) provides even broader
criteria. The currently accepted definition as presented in the DSM IV accepts
that PTSD develops in response to events that are threatening to life or bodily
integrity, witnessing threatening or deadly events, and hearing of violence to
or the unexpected or violent death of close associates. Events that could
qualify as traumatic, according to the DSM IV, include: combat, sexual and
physical assault, being held hostage or imprisoned, terrorism, torture, natural
and man made disasters, accidents, and receiving a diagnosis of a life
threatening illness. PTSD can also develop in children who have experienced
sexual molestation, even if this is not violent or life-threatening. The DSM IV
adds, "The disorder may be especially severe or long lasting when the
stressor is of human design (e.g. torture, rape)." (APA 1994)
Symptoms associated with PTSD include, 1)
reexperiencing the event in varying sensory forms (flashbacks), 2) avoiding
reminders associated with the trauma, and, 3) chronic hyperarousal in the
Autonomic Nervous System (ANS). PTSD is present when these symptoms last more
than one month and are combined with loss of function in areas such as job or
social relationships (APA 1994).
I believe that at the core of PTSD is the last
symptom - increased ANS arousal. People who suffer from PTSD are plagued with
frightening body symptoms which are characteristic of hyperarousal: accelerated
heart beat, cold sweating, rapid breathing, heart palpitations, hypervigilance,
and hyper startle response (jumpiness). These symptoms lead to sleep
disturbances, loss of appetite, sexual dysfunction and difficulties in
concentrating, which are further hallmarks of PTSD. Hyperarousal both
instigates flashbacks and is also increased by them, and hyperarousal is the
underlying cause of the symptom of avoidance, as traumatic reminders increase
ANS arousal. Through understanding hyperarousal the phenomenon of PTSD, becomes
comprehendible.
SURVIVAL AND THE NERVOUS SYSTEM
Arousal, and therefore hyperarousal, is
mediated by the Limbic System which is located in the center of the brain
between the brain stem and the cortex. This part of the brain regulates
survival behaviors and emotional expression, being primarily concerned with
tasks of survival such as eating, sexual reproduction and the instinctive
defenses of fight and flight. It also plays a central role in memory
processing.
The Limbic System has an intimate
relationship with the Autonomic Nervous System (ANS). The ANS regulates smooth
muscles and other viscera: heart and circulatory system, kidneys, lungs,
intestines, bladder, bowel, pupils. It has two branches, the Sympathetic branch
(SNS) and the Parasympathetic branch (PNS), which usually function in balance
with each other, meaning when one is activated, the other is suppressed. The
SNS is primarily aroused in states of stress, both positive and negative. Signs
of SNS arousal include increased heart rate and respiration, cold and pale
skin, dilated pupils, raised blood pressure. The PNS is primarily aroused in
states of rest and relaxation. Signs of PNS arousal include decreased heart
rate and respiration, warm and flushed skin, normally reactive pupils, lowered
blood pressure.
The Limbic System responds to extreme
traumatic threat, in part, by releasing hormones that tell the body to prepare
for defensive action, activating the SNS, which prepares the body for fight or
flight through increasing respiration and heart rate to provide more oxygen,
sending blood away from the skin and into the muscles for quick movement. When
death may be imminent or the traumatic threat is prolonged (as with torture,
rape, etc.), the Limbic system can simultaneously release hormones to activate
the PNS and a state of freezing can result - like a mouse going dead when
caught by a cat, or a frightened bird becoming stiff (Gallup 1977, Levine
1997).
These nervous system responses - fight, flight
and freeze - are survival reflexes. If perception in the Limbic System is that
there is adequate strength, time and space for flight, then the body breaks
into a run. If the Limbic perception is that there is not time to flee, but
there is adequate strength to defend, then the body will fight. If the Limbic
System perceives that there is neither time nor strength for fight or flight
and death could be imminent, then the body will freeze. In this state, the
victim of trauma enters an altered reality - it is one form of dissociation.
Time slows down and there is no fear or pain. In this state, if harm or death
do occur, the impact is not so great. People who have fallen from great
heights, such as over cliffs, and survived, report just such a reaction. This
freezing response may also increase chances of survival. If the cause of the
freeze is an attack by man or beast, the attacker may lose interest when the
prey has gone dead, as a cat will lose interest in a lifeless mouse.
It is important to understand that these
Limbic System/ANS responses are instinctive, not chosen by thoughtful
consideration, but are reflex actions. Many who have suffered trauma feel great
guilt about freezing or "going dead" and not doing more to protect
themselves or others by fighting back or running away. Understanding that
freezing is a reflex, often helps the process of
self-forgiveness.
DEFENSIVE RESPONSE IN THE ABSENCE OF THREAT
When the Limbic System of the brain activates
the ANS to meet the threat of a traumatic event, it is a normal, healthy,
adaptive survival response. When the ANS continues to be chronically aroused
even though the threat has passed and has been survived, that is PTSD. The body
continues to respond as though it were under threat. This is the most
perplexing feature of PTSD.
Within the Limbic System of the brain are two
related areas that are central in memory storage: the hippocampus and the
amygdala. The last few years have produced a growing body of research that
indicates these two parts of the brain are essentially involved in response to,
and memory of, traumatic events. (van der Kolk 1994,
Nadel & Jacobs 1996) It is believed that the amygdala stores highly charged
emotional memories, such as terror and horror and it has been shown that the
amygdala becomes very active when there is a traumatic threat. The hippocampus,
on the other hand, stores memory of time and space - puts our memories into
their proper perspective and place in our life's time line. During traumatic
threat, it has been shown, the hippocampus becomes suppressed. Its usual
function of placing a memory into the past is not active. The traumatic event
is prevented from becoming a memory in the past, causing it to seem to float in
time, often invading the present. It is this mechanism that is behind the
aforementioned PTSD symptom of "flashback" - episodes of reliving the
trauma.
DISSOCIATION, FREEZING AND PTSD
Dissociation, a splitting in awareness, is not
mentioned by either the DSM III or IV as a symptom of PTSD, but there is
growing debate in the professional literature as to whether PTSD is a
Dissociative Disorder (Brett, EA. 1996) - it is currently classified in the DSM
IV under Anxiety Disorders. There is also research that is beginning to point
to the possibility that dissociation during a traumatic event may be a
predictor of PTSD (Bremmer, et. al. 1992, Marmar, et.al. 1994). No one really
knows what dissociation is or how it occurs, though there is much speculation.
It appears to be, not one thing, but a set of related splitting responses.
Bennett Braun, MD has studied dissociation for many years, treating clients
with a variety of Dissociative Disorders. He proposes a continuum of
dissociation that begins with simple forgetting,
includes amnesia and PTSD and ends at the extreme of Multiple Personality, now
referred to as Dissociative Identity Disorder (Braun 1988). The kind of
dissociation described by those with PTSD - altered sense of time, reduced
sensations of pain, absence of terror or horror - resembles the characteristics
of those who have responded with freezing to a traumatic threat. There will
need to be more research before it can be known if the freezing reflex is a
form of dissociation, but it looks as though it is. This is important because
it appears that the greatest consequences of PTSD result from dissociation.
While dissociation is an instinctive response to save the self from suffering -
and it does this very well - it also exacts a high price in return.
CONSEQUENCES OF TRAUMA AND PTSD
The consequences of trauma and PTSD vary
greatly depending on the age of the victim, the nature of the trauma, the
response to the trauma and the support to the victim in the aftermath. In
general, victims of PTSD suffer reduced quality of life due to the intrusive
symptoms which restrict their ability to function. They may alternate periods
of overactivity with periods of exhaustion as their bodies suffer the effects
of hyperarousal. Reminders of the trauma they suffered may appear suddenly,
causing instant panic, and possible flashbacks. They become fearful, not only
of the trauma itself, but of their own reactions to the trauma. Body signals
that were once providers of essential information,
become dangerous. For example, heart beat acceleration that might indicate
over-exertion or excitement, becomes a danger signal
in itself because it is a reminder of the trauma response, and therefore is
associated with the trauma. The ability to orient to safety and danger becomes
decreased when many things, or even everything, in the environment become
perceived as dangerous. When the reminders of trauma become extreme, freezing
or dissociation can be activated, just as if the trauma was occurring in the
present. It can become a terribly vicious circle. Victims of PTSD can become
extremely restricted, fearing to be together with others or go out of their
homes.
Child victims of trauma are a special area for
study. Robert Pynoos at the University of California at Los Angeles is a
pioneer in researching the impact of trauma on children and adolescents.
Psychological and motor development can be arrested in child victims of trauma,
leading to increasingly negative impact on their lives if they continue to
mature without intervention to restore lost or undeveloped resources and skills
(Pynoos 1993).
DISTINGUISHING ACUTE TRAUMA FROM PTSD
Discussion with professionals who work with
both the acute and the long-term aftermath of trauma has led me to conclude
that aside from physical injury due to trauma, acute traumatic reactions may be
indistinguishable from PTSD in the body and behavior of the victim. The same
disorientation, fear, and indications of ANS activations - elevations in heart
rate, blood pressure, respiration, shaking, etc. - may be present.
In the aftermath of a disaster, for example,
most of those suffering from acute trauma will be easy to spot. Those who have
been injured will be obvious. Among the uninjured there will also be many who
look stunned, appear pale and faint, or be shaking. Some of those who appear to
be suffering from trauma may not even be the actual victims of the disaster,
but witnesses or rescuers who may be deeply affected by what they have or are
seeing. Some may not be immediately identifiable, they
may be highly active - looking for others or after others, organizing help and
rescue. A percentage of these may, in the next days or weeks, develop symptoms
of trauma.
Months or years later, the vast majority of
the survivors, witnesses and rescuers will no longer be suffering
psychologically from the after effects of the event. However, a minority will
be suffering to an extreme degree, their lives decreased in quality, and a
diagnosis of PTSD will be appropriate.
While symptoms of acute trauma and PTSD may
not differ very much, response to these must differ significantly. Response to acute trauma may include
emergency medical intervention for treatment of injuries and/or medical shock.
On the psychological side reassurance and comfort will be the key. Often
talking about what happened will be important for the survivor in the immediate
aftermath of the event. Telling and re-telling the story to caring individuals
may help prevent dissociation, and aid in integrating the experience. Providing
physical support - holding, an arm around the
shoulders, a comforting hand - may be appropriate, especially if the survivor
is hysterical or shaking violently. The victim may be cold and in need of
blankets and warm beverages. The victim may need to be reminded that the event
is passed and they have survived it, "You're safe now." The more
complete and appropriate the response to acute trauma, the greater the chance
of preventing subsequent PTSD.
Later, working with those who do develop PTSD may
resemble some of the aspects of response to acute trauma. Certainly a
reassuring and comforting attitude on the part of the psychotherapist is
important. But when the trauma is long past, simple comfort and reassurance
will not be enough. The victim of PTSD will feel unable to contain his
traumatic experience(s), will have become afraid of his body, and will have
lost the sense of what was then and what is now. It is these three areas -
containment, positive body awareness, dual time awareness - that must first be
strengthened, before addressing the memory of a traumatic event can be done
productively.
Containment of out-of-control emotions and
thinking processes will help restore a feeling of control over the
psychological self. Positive body-awareness will help restore a sense of the
body and its sensations as friend, not foe. Dual time awareness will help to
separate that the trauma occurred in the past even though it feels as if it is
occurring now (Rothschild 1996, Rothschild 1997).
CONCLUSION
Identification of a portion of those suffering
from PTSD will be straightforward. But others may be difficult to spot owing to
complicated life or defensive systems. Evaluation of the state of the ANS will
assist in diagnosis and in setting treatment objectives where appropriate.
BABETTE ROTHSCHILD, M.S.W., L.C.S.W. has been
a practicing psychotherapist and body-psychotherapist since 1976. She has held
a California license as a Clinical Social Worker since 1978. She is a member of
the International and European Societies for Traumatic Stress Studies, the
Association for Traumatic Stress Specialists and the National Association of
Social Workers (USA) .
Babette has trained extensively in
Transactional Analysis, Gestalt Therapy, Psychodrama and Somatic Experiencing,
and is a certified Bodynamic Analyst and certified Radix Teacher. After living
9 years in Denmark, she returned to Los Angeles, California (her home town)
where she maintains a private practice while she continues traveling to Europe
three times a year, offering professional training and therapy workshops,
professional consultations and supervision.
Institutions sponsoring her
trainings have included: hospital, rehabilitation, refugee, dance, athletic,
children and psychotherapy centers in Austria, Belgium, Denmark, England,
France, Germany, Norway, Scotland, Switzerland and the USA.
She can be reached at:
PO Box 241783
Los Angeles, California 90024, USA
Tel: (+1) 310 281 9646
Fax: (+1) 310 281 9729
E-mail: babette@nwc.net
Website:
Somatic Trauma
Therapy
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