00:01
If schizophrenia is due to abnormal brain development in early life, how do we account for the fact symptoms are not apparent until later in life? a, it only impairs social behaviour, which is more important in adulthood.
00:14
B, other people do not notice their problems until the other person is old enough to seek employment.
00:20
C, a prime area of damage is the prefrontal cortex, which matures very slowly.
00:26
Or d, certain behavioral tests are inappropriate for use with children.
00:30
So what kind of symptoms are we talking about here? early schizophrenia symptoms, the prodrome, the prodrome, is marked by isolation.
00:41
So maybe mild symptoms like suspiciousness, but mostly social isolation.
00:47
And then the very prominent symptoms that develop are psychotic in nature, so the psychotic symptoms, which are hallucinations, delusions, disorganized speech, and the negative symptoms.
01:02
So psychotic or positive they're sometimes called.
01:06
Negative symptoms are things that are missing.
01:10
So poverty of speech or slow movements, lack of motivation, this kind of thing.
01:19
So these are things that if they occurred in a child, you would notice it...