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Mind booklet: Understanding schizophrenia


Schizophrenia is a psychiatric diagnosis about which there is much disagreement. There are a number of theories as to diagnosis, cause and treatment. The aim of this leaflet is to provide a range of information, as well as some practical advice.


What is schizophrenia?

The diagnosis of schizophrenia is currently widely used in the mental health system, and subsequent treatment is based on that diagnosis. The symptoms on which a psychiatrist will base a diagnosis are divided into what are termed 'positive' and 'negative' symptoms.

Positive symptoms

Thought disruption. A person said to be experiencing thought disruption seems unable to follow a logical sequence of thought - ideas may be jumbled and make little sense to others.

Auditory hallucinations. Some people hear voices that others around do not hear. The voices may be familiar friendly or critical. They might discuss your thoughts or behaviour, or they might tell you what to do. Hearing voices does not inevitably mean a label of schizophrenia.

Delusions or hallucinations. These are defined as beliefs or experiences that are not shared by others. You might believe, for instance, that you are being pursued by secret agents or that you are controlled by external forces that are putting thoughts into your mind.

These 'positive' symptoms constitute what is described as 'psychosis'. These symptoms are treated with drugs known as major tranquillizers. Most psychiatrists equate such symptoms with a psychiatric disorder, but others believe that such psychological episodes are logical or natural reactions to adverse life events an extreme form of distress.

Negative symptoms

While the above 'positive' symptoms may be the most easily identified, there are others associated with schizophrenia. You might feel apathetic, lacking in concentration and emotionally flat; you may want to avoid people and feel you need to protect yourself from them. These are described as 'negative' symptoms.

It is difficult to say which may be symptoms of schizophrenia, and which are simply reactions to the ways anyone experiencing mental ill-health may be treated in this society. People with mental health problems are not generally treated well, so it is hardly surprising that isolation, depression or hopelessness can result.

Some people believe that, because psychiatric experts cannot agree about the definitions, causes and consequently the treatments for schizophrenia, that it should not be used as a diagnostic category at all.

Who is diagnosed with schizophrenia?

About one in 100 people may at some point in their lives be diagnosed with schizophrenia - usually as young adults. This figure is the same for women and men. You may be more likely to be given this diagnosis if someone in your family has been. It has been estimated that around a third of people diagnosed with schizophrenia experience only one episode. Another third may have further occasional episodes, while a further third live with schizophrenia as an ongoing problem.

Social and cultural difference

The holistic approach to schizophrenia stresses the need to look at individual experience, and the importance of understanding what the voices or hallucinations mean to the individual. Hearing voices, for instance, holds a different significance within different cultures and spiritual belief systems. Misdiagnosis can occur when a psychiatrist has very different cultural, religious or social experiences to a patient. For example there is considerable concern in Britain about the disproportionately high number of young African-Caribbean men given this diagnosis, which has led some experts to question whether the entire theory of schizophrenia is based on racist ideologies (see 'Debating schizophrenia' OpenMind 87, Further reading).

Are people diagnosed with schizophrenia dangerous?

The popular myth about schizophrenia is that you have a 'split personality' and swing between being calm and being out of control. It is probably the psychiatric diagnosis about which there is the most media misinformation. We are all aware of sensational stories about 'schizophrenics' who are dangerous unless drugged and kept in institutions. In fact, the number of homicides committed by people with any mental illness diagnosis has remained at the same low level for 10 years. In this same 10-year period the total number of homicides committed in Britain has considerably increased.

Recent Australian research (1998) found that people with drug problems (alcohol and illicit drugs) are twice as likely to commit a violent crime as someone diagnosed with schizophrenia, and concluded that the relationship between schizophrenia and serious criminal offending is so tenuous that prediction of violence is 'virtually impossible'.

What causes schizophrenia?

It is not easy to identify the causes of a form of mental distress whose definition is so contested. The following have been considered as possible causes.

Genes

Genes are the physical means by which characteristics of biological families are shared. Researchers have not been able to identify a 'schizophrenia gene'. It is suggested that while particular genes might make you more vulnerable to the symptoms described as schizophrenia, this does not mean you will develop them. Developmental, environmental and psychological factors are also involved.

Biochemical

Biochemical research has been centred on dopamine, a naturally-occurring brain chemical, but it remains unclear whether it has a role in developing schizophrenia. Despite the absence of a proven link, it is dopamine on which major tranquillizers are designed to work.

Family experiences

It is generally accepted that our early experiences of family life impact on the development of our personalities. There have been theories put forward about 'types' of family that might contribute to causing schizophrenia, but none have been proven.

Stressful life events

Studies, and personal accounts, suggest that schizophrenia can be triggered by stressful events such as the loss of someone close to you or a change of job. Other ongoing pressures, for example poverty or homelessness, or harassment on the grounds of race or sexuality, may also contribute.

Overall, most experts conclude that schizophrenia is caused by a combination of factors; someone's genetic make-up could make them more vulnerable, but stressful events or particular family or life experiences 'trigger' the onset of symptoms.

Living with schizophrenia

If you go to your GP with symptoms of schizophrenia, they are likely to refer you to a psychiatrist. You may want to go somewhere that feels safe and undemanding; at present, this means hospital. Unfortunately, these are not always the safe, comfortable places intended. It can be upsetting to be around others who are distressed, and the lack of privacy and support can also be difficult to cope with.

A stay in hospital may, however, provide the opportunity for you to have your needs assessed to enable you to live independently. Before leaving there should be a meeting to plan what services you need, and help you get access to them. In addition, many hospitals now have service-user or patient groups which you may find useful and supportive.

Mental health service users and survivors have campaigned for some years for alternatives to hospital treatment - in particular for residential crisis support centres that rely less on drug treatments and offer more in the way of talking treatments and informal support. There are some independent crisis services currently in existence. Mind's 'Crisis services' factsheet gives details (see Further reading).

If you are unwilling to go into hospital you might be compulsorily admitted under the Mental Health Act 1983. Mind's series of Rights Guides give information about your rights under this Act (see Further reading). Your local community health council (CHC) should also be able to give you information, and MindinfoLine can refer you to Mind's legal unit for legal advice.

Medication

Major tranquillizers - also known as neuroleptics or antipsychotics - might be prescribed to lessen your positive symptoms. These can be administered in tablet, syrup or injectable form, daily, weekly, fortnightly or monthly.

All major tranquillizers, to varying degrees, have a sedative effect, which might make it more difficult to cope with distressing symptoms or to use talking treatments. They can cause, for instance, trembling hands, stiffening of muscles, blurred vision or dizziness. Long4erm use can cause permanent damage to the central nervous system (known as tardive dyskinesia).

The new antipsychotics, introduced during the 1990s, include clozapine, risperidone, sertindole, olanzapine, quetiapine and amisulpide. These seem to have fewer side-effects, as well as some effect on negative symptoms. Other antipsychotics, which have been widely used for the last 30 years, include chlorpromazine (brand name Largactil) and haloperidol; these do not seem to have any beneficial effect on negative symptoms and often have adverse side-effects, some of which are severe and long-term.

There is now significant evidence that maintenance on low doses is more effective in dealing with symptoms, as well as lessening side-effects. If you are taking these drugs you should have the dosage reviewed regularly with the aim of keeping it as low as possible. Advocates based in your hospital, or local mental health groups including Mind, can also offer support and advice about coping with these drugs, and alternatives to them. See Mind's Making Sense of Treatments and Drugs: Major Tranquillizers, and Mind's Briefings on major tranquillizers for more information (Further reading).

Community care

Everyone referred to psychiatric services in England should have their needs assessed and care planned within the Care Programme Approach (CPA). This should provide you with an assessment of your social and health care needs, a care plan, a keyworker and regular review. You are entitled to say what your needs are, and have the right to have an advocate present. The assessment might also include carers and relatives. The same system effectively applies in Wales. (See Mind's 'Brief guide to the care programme approach', Further reading).

As part of the CPA, or separately, you can request social services to make an assessment of your needs for community care services. This covers everything from daycare services to your housing needs, with the aim of providing services in your own home or appropriate supported accommodation. You might need careworkers, and - since many areas have introduced a charge for services -the cost of services may need to be included in the needs assessment.

Direct payments

Once your community care assessment has confirmed your need for services, you may be eligible to claim direct payments to enable you to purchase the care you need rather than having it provided by social services. Direct payments cover such things as employing your own careworker and day centre charges. Your local social services, or the Centre for Independent Living (see Useful organizations) should be able to tell you whether you are eligible.

Community mental health teams

Often, community care assessments are made by the community mental health teams to which you are likely to be referred on leaving hospital. Their aim is to enable you to live independently. They can help with practical issues such as sorting out welfare benefits and housing, and other services such as day centres or drop-in centres. They can also arrange for a community psychiatric nurse (CPN) to visit you at home; CPNs administer injections, and may provide other practical help.

What can I do for myself?

There is increasing awareness that, while drugs may lessen 'positive' symptoms, most have little or no effect on feelings of isolation, depression, withdrawal or lack of motivation. You may want therefore to think about trying coping strategies which other people have found useful. Such strategies include talking treatments, self-help groups, supported living environments, getting involved in day centres or employment projects, volunteering, or changing the way you do paid work.

Accommodation

Supported housing is an arrangement where help is immediately at hand, both from staff and other tenants. Levels of support vary between projects, but the role of all supported housing staff is to enable you to live independently. Supported housing is provided locally by mental health projects, including local Mind associations in some areas (see Mind's 'Housing advice' factsheet, Further reading).

Talking treatments

There are different kinds of talking treatments, including counselling, psychotherapy and cognitive behavioural therapy. It can sometimes be difficult to get access to talking treatments if you cannot afford to pay, but some local voluntary projects, including local Mind associations, offer free services. Mind's booklets Understanding Talking Treatments and Getting the Best from your Counsellor or Therapist, as well as the 'Counselling' and 'Psychotherapy' factsheets may be helpful (Further reading).

The aim of cognitive behavioural therapy is to enable you to identify connections between your thoughts, feelings and behaviour, and to develop practical skills to manage your thought patterns and feelings to avoid crisis situations developing. There is considerable evidence to suggest that this process is particularly useful for those experiencing the symptoms of schizophrenia. You generally need a referral from your GP (See Mind's 'Cognitive behaviour therapy' factsheet, Further reading).

Self-help groups

It can be useful to share experiences and ways of coping, to campaign for better services, or simply to support each other. The Voices Forum is a user-run group of people who have been diagnosed with schizophrenia, linked with the National Schizophrenia Fellowship. The Hearing Voices Network is another self-help group which can advise on strategies for dealing with hearing voices (see Useful organizations).

Other practical things you can do

There is no right or wrong way to feel about either the symptoms, diagnosis or treatment of schizophrenia. You are likely to have lots of different feelings, which may change over time. You may feel that you want to cut yourself off and avoid talking to anyone. However, there are practical things you could try, which others have found helpful.

Think about how you like spending your time, and set up a routine to try and include pleasurable activities, even when it feels particularly difficult. You may wan to try to avoid situations you find particularly stressful; if you have a job, you may be able to work shorter hours, or work in a flexible way to avoid stress. Under the Disability Discrimination Act 1995 employers with more than 15 employees must provide 'reasonable adjustments' to facilitate the new or ongoing employment of disabled people, including those with a diagnosis of mental ill-health.

Local voluntary organizations also run volunteer or employment projects which could enable you to gain skills, training and experience in a supportive setting (see Mind's 'Employment' factsheet, Further reading).

What can partners, friends or relatives do to help?

It can be very shocking when someone you are close to experiences the symptoms of schizophrenia. You may be unsure what you should do. Finding out about the reality of schizophrenia may help - including about different coping strategies that you might be able to support and encourage your partner, friend or relative to try.

It may be helpful to discuss with the person when they are feeling OK what it is they want from you when and if they do experience a crisis. It can also be useful to state clearly what you feel you can and can't deal with. A person experiencing the symptom of schizophrenia wants the same things we all want: to feel cared about, not to feel alone, and to have someone with whom to discuss feelings and options. It is very important to avoid blaming the person or telling them 'to pull themselves together'.

It is equally important to avoid blaming yourself, and to get support in coping with your own feelings, which may include anger, guilt, fear or frustration. There are a number of voluntary organizations which provide help for carers (see Useful organizations), and social services are also obliged to assess your needs for practical and emotional support.

It is not necessary to agree with what seem to you to be delusions or hallucinations. Equally, denying them may not very helpful. It is usually more constructive to focus on the person's feelings, which may make it easier for you both to communicate constructively.

You might need to provide practical help. If you do act on the person's behalf, it is important to consult them and not 'take over'. It may also be possible to find an independent advocate to act on their behalf. Local mental health projects, including local Mind associations, may be able to help.

Compulsory hospital admission

If you feel your loved one, or others, are at serious risk of harm, it may be necessary to think about compulsory hospital admission as a last resort. The 'nearest relative' as defined under the Mental Health Act 1983 can request a Mental Health Assessment from an approved social worker to look at treatment options and decide whether someone should be detained. (For more information see Mind's 'Outline guide to the Mental Health Act', Further reading).

Useful organizations

You should be able to get information about local mental health services from your GP social services department, local Mind association, community mental health team, community health council or council for voluntary services. Details should be in local telephone directories. Other useful organizations are listed below.

Carers National Association
20-25 Glasshouse Yard, London EC1A 4JT
tel. 0171 4908818
Minicom 0171 251 8969
Advice line 0345 573 369
They provide advice and information to carers and campaign on their behalf.

Hearing Voices Network
c/o Creative Support, Fourways House, 16 Tariff Street, Manchester Ml 2EP
tel. 0161 228 3896
User network for people who hear voices; provides information about local support groups as well as about how to cope with voices.

National Centre for Independent Living
250 Kennington Lane, London SE11 5RD
tel. 0171 587 1663
They provide information and advice on personal assistance and the development of new schemes. They can also provide information about direct payments.

The National Schizophrenia Fellowship (NSF)
28 Castle Street, Kingston upon Thames, Surrey KT1 1SS
tel. 0181 547 3937
Produces information about schizophrenia and campaigns for better understanding of schizophrenia.

Voices Forum can be contacted at the NSF London office (above). They can give you contact numbers for groups in northern England, southern region and Wales.

Further reading

Accepting Voices - A New Analysis of the Experience of Hearing Voices Outside the Illness Model 
M. Romme & S. Escher (Mind 1993) £13.99

Black People and Sectioning 
D. Browne (Little Rock Publishing 1997) £9.50

Cognitive-Behavioural Therapy of Schizophrenia 
D. Kingdon & D. Turkington (Psychology Press 1994) £12.95

The Cognitive Neuropsychology of Schizophrenia 
C. Frith (Taylor & Francis 1992) £11.95

The Dialectics of Schizophrenia 
R Thomas (FAB 1997) £15.95

Hearing Voices-A Common Human Experience 
J. Watkins (Hill of Content 1998) £7.99

Living with Schizophrenia - An Holistic Approach to Understanding, Preventing and Recovering from Negative Symptoms 
J. Watkins (Hill of Content 1996) £9

Schizophrenia: The Positive Perspective - In Search of Dignity for Schizophrenic People 
P. Chadwick (Routledge 1997) £15.99

Social Skills Training for Schizophrenia - A Step-by-Step Guide 
A. Bellack et al (Guildford Press 1997) £19.95

The Voice Inside -A Practical Guide to Coping with Hearing Voices 
P. Baker (Handsell Publishing/Mind 1997) £3


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