The investigators aim to explore the psychobiological effects of a 5-day meditation intervention on offenders within dangerous and severe personality disorders (DSPD) unit at HMP Whitemoor. DSPD unit accommodates offenders with psychopathy or with two or more personality disorders. DPSD unit provides them with a 5-year rehabilitation programme that consists of group and individual therapy and aims to improve their self-regulation. This project includes a total of 60 participants and has two major methodological innovations. First, it will include yoga as an active control group that will be matched to the meditation intervention (which means it will have the same length and the same social components) and a passive control group that will be following their usual regimen. Thus, the effects of meditation will be contrasted with another type of intervention and with not receiving any intervention. The second methodological innovation is the combination of psychological and biological measures. Psychological measures include questionnaires (emotion regulation, mindfulness, stress) and cognitive measures (attention,empathy,behavioural control). Biological measures include EEG to measure brain activity related to empathy; gene expression and protein interlukin-6 to measure changes in immune system; and stress related hormone cortisol. The investigators also aim to determine to whom does meditation benefit the most by exploring how initial expectations of meditation, personality, mood and previous life adversity predict outcomes of meditation or yoga. The data will be collected at three time points: at baseline, immediately after and 10 weeks after the 5-day intervention. The investigators expect that meditation and yoga will similarly improve mental and physical health. If this hypothesis are confirmed, these results will extend previous findings on the benefits of meditation and yoga to vulnerable populations, and would provide a cost-effective addition to prisoner rehabilitation.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
HEALTH_SERVICES_RESEARCH
Masking
NONE
Enrollment
60
Change from baseline emotional regulation
Difficulties in Emotion Regulation Scale
Time frame: Before the intervention, up to 2 weeks after the intervention and at 10-18 week follow-up
Change from baseline attention
Attention Network Task
Time frame: Before the intervention, up to 2 weeks after the intervention and at 10-18 week follow-up
Change from baseline self-awareness
Mindful Attention Awareness Scale
Time frame: Before the intervention, up to 2 weeks after the intervention and at 10-18 week follow-up
Change from baseline inflammatory gene expression
Time frame: Before the intervention and on the final day of the intervention
Change from baseline social learning
Social Learning Task (Diaconescu et al., 2014)
Time frame: Before the intervention, up to 2 weeks after the intervention and at 10-18 week follow-up
Change from baseline risk-taking
Risk-taking Task (Tymula et al., 2012)
Time frame: Before the intervention, up to 2 weeks after the intervention and at 10-18 week follow-up
Change from baseline empathy
Self-assessment Manikin (Seara \& Cardoso, 2012).
Time frame: Before the intervention, up to 2 weeks after the intervention and at 10-18 week follow-up
Change from baseline stress
Perceived Stress Scale
Time frame: Before the intervention, up to 2 weeks after the intervention and at 10-18 week follow-up
Change from baseline affective states
Profile of Mood States
Time frame: Before the intervention, up to 2 weeks after the intervention and at 10-18 week follow-up
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