Most dissociative parts influence your experience from the inside rather than exert complete control, that is, through passive influence.
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In fact, many parts never take complete control of a person, but are only experienced internally.
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Frequent switching may be a sign of severe stress and inner conflict in most individuals.

You as a whole person are thus unable to reconcile conflicts about anger and learn to tolerate and express anger in healthy ways. Inner turmoil and dissociation are maintained.

Parts of you are phobic of anger and generally terrified and ashamed of angry dissociative parts. There is often tremendous conflict between anger-avoidant and anger-fixated parts of an individual. Thus, an internal and perpetual cycle of rage-shame-fear creates inner chaos and pain.

People with Complex PTSD suffer from more severe and frequent dissociation symptoms, as well as memory and attention problems, than those with simple PTSD. In addition to amnesia due to the activity of various parts of the self, people may experience difficulties with concentration, attention, other memory problems and general spaciness. These symptoms often accompany dissociation of the personality, but they are also common in people who do not have dissociative disorders. For example everyone can be spacey, absorbed in an activity, or miss an exit on the highway. When various parts of the personality are active, by definition, a person experiences some kind of abrupt change in attention and consciousness.

Specific parts of you personality may be angry and are usually easily evoked. because these parts are dissociated, anger remains an emotion that is not integrated for you as a whole person. Even though individuals with dissociative disorder are responsible for their behavior, just like everyone else, regardless of which part may be acting, they may feel little control of these raging parts of themselves.
Some dissociative parts may avoid or even be phobic of anger. They may influence you as a whole person to avoid conflict with others at any cost or to avoid setting healthy boundaries out of fear of someone else’s anger; or they may urge you to withdraw from others almost completely.

Alterations in regulation of affect (emotion) and impulse:
Almost all people who are seriously traumatized have problems in tolerating and regulating their emotions and surges or impulses. However, those with complex PTSD and dissociative disorders tend to have more difficulties than those with PTSD because disruptions in early development have inhibited their ability to regulate themselves.
The fact that you have a dissociative organization of your personality makes you highly vulnerable to rapid and unexpected changes in emotions and sudden impulses. Various parts of the personality intrude on each other either through passive influence or switching when your under stress, resulting in dysregulation. Merely having an emotion, such as anger, may evoke other parts of you to feel fear or shame, and to engage in impulsive behaviors to stop avoid the feelings.