A9 9..9

نویسنده

  • SUKHWINDER S. SHERGILL
چکیده

Impaired insight is common in psychosis, and is related to poor adherence to treatment regimens. Aleman and colleagues (pp. 204–212) have used meta-analytic techniques to demonstrate that certain cognitive deficits, particularly of executive functions, may be linked with insight. However, these have relatively small effect sizes and the authors highlight the need for research into metacognitive functions. The correlation of duration of untreated psychosis with outcome, albeit mostly in the short term, has reinforced the need for specialised first-onset psychosis services. Clarke et al (pp. 235–240) confirm that longer duration of untreated psychosis was associated with poorer outcome over a 4-year follow-up; this supports the results of shorter-term outcome studies and emphasises the potential benefits of early intervention. Substance misuse is relatively common in psychotic illness, especially by younger adults. Wade and colleagues (pp. 229–234) report that substance misuse was associated with increased risk of admission and shorter time to recurrence of positive symptoms in a prospective study of first-episode psychosis. They emphasise the importance of investigating further interventions for comorbid psychosis and substance misuse. Minor physical anomalies are found more often in patients with psychosis and support a neurodevelopmental aetiology for psychotic disorders. Dean et al (pp. 221–228) examined the magnetic resonance imaging scans of patients with first-onset psychosis and correlated them with the degree of minor physical anomalies. They found minor physical anomalies to correlate with changes in regional gray matter, including prefrontal cortex and basal ganglia. They suggest that alterations in these regions may occur before birth, and may have a role in the development of psychosis.

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تاریخ انتشار 2006