Symptoms - Schizophrenia
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Schizophrenia changes how a person thinks and behaves.
The condition may develop slowly. The first signs can be hard to identify as they often develop during the teenage years.
Symptoms such as becoming socially withdrawn and unresponsive or changes in sleeping patterns can be mistaken for an adolescent phase.
People often have episodes of schizophrenia, during which their symptoms are particularly severe, followed by periods where they experience few or no symptoms. This is known as acute schizophrenia.
The symptoms of schizophrenia are usually classified into:
any change in behaviour or thoughts, such as hallucinations or delusions
where people appear to withdraw from the world around then, take no interest in everyday social interactions, and often appear emotionless and flat
Hallucinations are where someone sees, hears, smells, tastes or feels things that do not exist outside their mind. The most common hallucination ishearing voices.
Hallucinations are very real to the person experiencing them, even though people around them cannot hear the voices or experience the sensations.
Research using brain-scanning equipment shows changes in the speech area in the brains of people with schizophrenia when they hear voices. These studies show the experience of hearing voices as a real one, as if the brain mistakes thoughts for real voices.
Some people describe the voices they hear as friendly and pleasant, but more often theyre rude, critical, abusive or annoying.
The voices might describe activities taking place, discuss the hearers thoughts and behaviour, give instructions, or talk directly to the person. Voices may come from different places or 1 place, such as the television.
A delusion is a belief held with complete conviction, even though its based on a mistaken, strange or unrealistic view. It may affect the way the person behaves. Delusions can begin suddenly or may develop over weeks or months.
Some people develop a delusional idea to explain a hallucination theyre having. For example, if they have heard voices describing their actions, they may have a delusion that someone is monitoring their actions.
Someone experiencing a paranoid delusion may believe theyre being harassed or persecuted. They may believe theyre being chased, followed, watched, plotted against or poisoned, often by a family member or friend.
Some people who experience delusions find different meanings in everyday events or occurrences.
They may believe people on TV or in newspaper articles are communicating messages to them alone, or that there are hidden messages in the colours of cars passing on the street.
People experiencing psychosis often have trouble keeping track of their thoughts and conversations.
Some people find it hard to concentrate and will drift from one idea to another. They may have trouble reading newspaper articles or watching a TV programme.
People sometimes describe their thoughts as misty or hazy when this is happening to them. Thoughts and speech may become jumbled or confused, making conversation difficult and hard for other people to understand.
A persons behaviour may become more disorganised and unpredictable.
Some people describe their thoughts as being controlled by someone else, that their thoughts are not their own, or that thoughts have been planted in their mind by someone else.
Another feeling is that thoughts are disappearing, as though someone is removing them from their mind.
Some people feel their body is being taken over and someone else is directing their movements and actions.
The negative symptoms of schizophrenia can often appear several years before somebody experiences their first acute schizophrenic episode.
These initial negative symptoms are often referred to as the prodromal period of schizophrenia.
Symptoms during the prodromal period usually appear gradually and slowly get worse.
They include the person becoming more socially withdrawn and increasingly not caring about their appearance and personal hygiene.
It can be difficult to tell whether the symptoms are part of the development of schizophrenia or caused by something else.
Negative symptoms experienced by people living with schizophrenia include:
losing interest and motivation in life and activities, including relationships and sex
lack of concentration, not wanting to leave the house, and changes in sleeping patterns
being less likely to initiate conversations and feeling uncomfortable with people, or feeling theres nothing to say
The negative symptoms of schizophrenia can often lead to relationship problems with friends and family as they can sometimes be mistaken for deliberate laziness or rudeness.
Schizophrenia is often described by doctors as a type ofpsychosis.
A first acute episode of psychosis can be very difficult to cope with, both for the person who is ill and for their family and friends.
Drastic changes in behaviour may occur, and the person can become upset, anxious, confused, angry or suspicious of those around them.
They may not think they need help, and it can be hard to persuade them to visit a doctor.
Read more aboutunderstanding psychotic experiences.