Schizophrenia Flashcards
(8 cards)
What is meant by a positive symptom of schizophrenia?
Additional experiences beyond those of ordinary existence.
What are the two positive symptoms of schizophrenia?
Delusions and hallucinations.
What is meant by negative symptoms of schizophrenia?
The loss of usual abilities and experiences.
What are the examples of negative symptoms of schizophrenia?
Speech poverty and avolition.
Who conducted a family study on schizophrenia? (Biological explanations)
Gottesman (1991).
What is the percentage for someone to develop schizophrenia if their MZ twin has it?
What percentage of genes will someone share with their MZ twin?
48%.
100%.
What is the percentage of the general population has schizophrenia?
Around 1%.
What is the Ripke study into candidate genes of schizophrenia?
Genetic make-up of 37,000 schizos compared to 113,000 controls.
Found that 108 different genetic variations were implicated in schiz.
Meaning there are candidate genes and it is ateologically heterogenous.
