Abstract
The concentrations of serum tyrosine, phenylalanine and tryptophan have been determined in 23 male neuroleptic-free patients with schizophrenia and 28 male healthy control subjects. Tyrosine was significantly lower in neuroleptic-free patients with an early onset (starting before adulthood) than in healthy control subjects (p
Original language | English |
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Pages (from-to) | 257-60 |
Number of pages | 4 |
Journal | Schizophrenia Research |
Volume | 14 |
Issue number | 3 |
Publication status | Published - Feb 1995 |
Keywords
- Adult
- Age of Onset
- Brain
- Chromatography, High Pressure Liquid
- Homovanillic Acid
- Humans
- Male
- Middle Aged
- Phenylalanine
- Schizophrenia
- Tryptophan
- Tyrosine