Schizophrenia Flashcards
what is schizophrenia
a complex and severe mental disorder that distrupts a person’s thoughts, emotions, and perceptions of reality
% of the population the schizophrenia affects worldwide
1%
when does schizophrenia display its first signs
late adolescence or early adulthood
when is sz diagnosed
DSM-5 requires at least 2/4 key symptoms
one must be delusions, hallucinations or disorganised speech or negative throughts
after at least 1 month of symptoms
experienced disturbance to every day functioning for at least 6 months
what are the 2 types of symptoms
positive and negative
define symptom
physical or mental characteristics that a person presents with to the doctor
define negative symptom
symptoms where normal functioning is no longer present
a reduction or absence of normal thoughts, emotions and behaviours
examples of negative symptoms
social withdrawal
flatness of emotion
lack of energy
define positive symptoms
characterised by an excess of normal thoughts, perceptions or behaviours
hallucinations
where someone has sensory sensations of things that do not exist outside their mind
e.g. hearing voices
disordered thinking
disturbance in how thoughts are organised and expressed
may lead to people expressing themselves in unusual ways when speaking or writing
thought insertion
a person thinks their thoughts are being put there by someone else
delusions
false beliefs that remain even when shown not to be true or logical
three main types of delusions
paranoid delusion, delusions of grandeur and delusion of persecution
paranoid delusion
believes someone is trying to mislead, manipulate or kill them
delusions of grandeur
believe they are in a position of power or possess special powers, such as to cure cancer
delusion of persecution
thinking that others are trying to harm them, spying or plot against them
psychosis is a feature of sz, what is it?
separation from reality
which groups are more likely to develop schizophrenia
people experiencing social problems,npoverty, unemployment, homelessness
how many more times likely are people with sz to kill themselves - Duerr (2013)
adolescents with psychotic symptoms are 70x more likely to attempt suicide
average life expectancy for someone with sz
10 years
what percentage of people who have had an sz episode recover and do not get another?
25%
what percentage of people with sz have it continually
25%
what percentage of people with sz have periods of symptoms and recovery
50%
