Early schizophrenia warning signs
In some people, schizophrenia appears suddenly and without warning. But for most, it comes on slowly, with subtle warning signs and a gradual decline in functioning long before the first severe episode. Many friends and family members of people with schizophrenia report knowing early on that something was wrong with their loved one, they just didn't know what. In this early phase, people with schizophrenia often seem eccentric, unmotivated, emotionless, and reclusive. They isolate themselves, start neglecting their appearance, say peculiar things, and show a general indifference to life. They may abandon hobbies and activities, and their performance at work or school deteriorates.
The most common early warning signs of schizophrenia include:
Social withdrawal
Hostility or suspiciousness
Deterioration of personal hygiene
Flat, expressionless gaze
Inability to cry or express joy
Inappropriate laughter or crying
Depression
Oversleeping or insomnia
Odd or irrational statements
Forgetful; unable to concentrate
Extreme reaction to criticism
Strange use of words or way of speaking
While these warning signs can result from a number of problems—not just schizophrenia—they are cause for concern. When out-of-the-ordinary behavior is causing problems in your life or the life of a loved one, seek medical advice. If schizophrenia or another mental problem is the cause, treatment will help.
Signs and symptoms of schizophrenia
There are five types of symptoms characteristic of schizophrenia: delusions, hallucinations, disorganized speech, disorganized behavior, and the so-called "negative" symptoms. However, the signs and symptoms of schizophrenia vary dramatically from person to person, both in pattern and severity. Not every person with schizophrenia will have all symptoms. The symptoms of schizophrenia may also change over time.
Delusions
A delusion is a firmly-held idea that a person has despite clear and obvious evidence that it isn't true. Delusions are extremely common in schizophrenia, occurring in more than 90% of patients. Often, these delusions involve illogical or bizarre ideas or fantasies. Common schizophrenic delusions include:
Delusions of persecution — Belief that others, often a vague "they," are out to get him or her. These persecutory delusions often involve bizarre ideas and plots (e.g. "Martians are trying to poison me with radioactive particles delivered through my tap water").
Delusions of reference — A neutral environmental event is believed to have a special and personal meaning. For example, a person with schizophrenia might believe a billboard or a person on TV is sending a message meant specifically for them.
Delusions of grandeur — Belief that one is a famous or important figure, such as Jesus Christ or Napolean. Alternately, delusions of grandeur may involve the belief that one has unusual powers that no one else has (e.g. the ability to fly).
Delusions of control — Belief that one's thoughts or actions are being controlled by outside, alien forces. Common delusions of control include thought broadcasting ("My private thoughts are being transmitted to others"), thought insertion ("Someone is planting thoughts in my head"), and thought withdrawal ("The CIA is robbing me of my thoughts.").
Hallucinations
Hallucinations are sounds or other sensations experienced as real when they exist only in the person's mind. While hallucinations can involve any of the five senses, auditory hallucinations (e.g. hearing voices or some other sound) are most common in schizophrenia. Visual hallucinations are also relatively common. Research suggests that auditory hallucinations occur when people misinterpret their own inner self-talk as coming from an outside source.
Schizophrenic hallucinations are usually meaningful to the person experiencing them. Many times, the voices are those of someone they know. Most commonly, the voices are critical, vulgar, or abusive. Hallucinations also tend to be worse when the person is alone.
Disorganized speech
Fragmented thinking is characteristic of schizophrenia. Externally, it can be observed in the way a person speaks. People with schizophrenia tend to have trouble concentrating and maintaining a train of thought. They may respond to queries with an unrelated answer, start sentences with one topic and end somewhere completely different, speak incoherently, or say illogical things.
Common signs of disorganized speech in schizophrenia include:
Loose associations — Rapidly shifting from topic to topic, with no connection between one thought and the next.
Neologisms — Made-up words or phrases that only have meaning to the patient.
Perseveration — Repetition of words and statements; saying the same thing over and over.
Clang — Meaningless use of rhyming words ("I said the bread and read the shed and fed Ned at the head.").
Disorganized behavior
Schizophrenia disrupts goal-directed activity, causing impairments in a person's ability to take care of him or herself, work, and interact with others. Disorganized behavior appears as:
A decline in overall daily functioning
Unpredictable or inappropriate emotional responses
Behaviors that appear bizarre and have no purpose
Lack of inhibition and impulse control.
Negative symptoms
The negative symptoms of schizophrenia refer to the absence of normal behaviors found in healthy individuals. Important negative symptoms of schizophrenia include:
Flattened or blunted affect: Lack of emotional expression, including a flat voice, lack of eye contact, and blank or restricted facial expressions.
Avolition: Lack of interest or enthusiasm; no ability to pursue goal-driven activities.
Catatonia: Apparent unawareness of the environment, near total absence of motion and speech, aimless body movements and bizarre postures, lack of self-care.
Alogia: Difficulties with speech, inability to carry a conversation, short and sometimes disconnected replies to questions, lessening of fluency.
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