Sean P. Barrett


Contact via Dalhousie University


Principaux champs de recherche
Chercheur(e)s associé(e)s
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Projets de recherche récents

CRISM-Quebec-Maritimes: Research on interventions in drug misuse

2014/15-2020/21 • $2,374,845 • PI,CO,Other
Substance misuse remains a significant global public health problem which carries a heavy burden for abusers and their families alike. This disorder is indeed associated with suffering and severe health problems in patients, distress among family members, as well as tremendous costs to society....

Personality-Targeted Interventions for Addressing Polysubstance Use among Opioid-Addicted Clients Undergoing Opioid Substitution Therapy: A Feasibility Study

2020/21 • $100,000 • PI,CO
We are currently amid a severe opioid crisis, worsened by the COVID-19 pandemic. In Canada, prescription opioid use and opioid overdoses/mortality were soaring pre-pandemic, reaching epidemic levels, with opioid-related deaths only increasing since the pandemic. Powerful and dangerous synthetic...

Examining the pharmacological and non-pharmacological influences of cannabidiol (CBD) on stress responsivity in healthy men and women

2018/19 • $84,220 • PI,CO
Cannabidiol (CBD) is a naturally occurring cannabinoid that is found in relatively abundant quantities in cannabis plants. In recent years, there has been a surge of interest in using CBD as a therapeutic agent, particularly for psychiatric conditions such as post traumatic stress disorder and...

Non-Medical Use of Prescription Opioid Analgesics in Canada: Epidemiology, Consequences and Interventions

2010/11-2013/14 • $1,241,183 • PI,CO
Several indicators-including relevant projections based on US data - are suggesting that the non-medical use of prescription opioids (POs), and related harms (e.g., morbidity and mortality) are a rapidly growing phenomenon in Canada. However, key empirical data to systematically analyze and...

Understanding reward motivation and expectancy in early phase psychosis smokers: a neuroimaging and genetic approach

2010/11-2013/14 • $201,164 • PI,CO
Psychotic disorders, such as schizophrenia, are severe mental illnesses affecting approximately 3% of the population. These disorders typically begin in late adolescence or early adulthood and are often associated with lifelong, psychological and social impairments. Smoking rates are highly...

Genetics and substance use as causal factors in the development of schizophrenia

2010/11-2011/12 • $47,500 • Scholarship/Fellowship,Other
Schizophrenia is a serious mental disorder affecting 1% of the Canadian population. It is estimated to cost Canadian Society over $2 billion per year. Many individuals with schizophrenia (80%) use and abuse substances, compounding the negative effects associated with their disorder. Much...

Determining how motivational drive mediates undergraduate students' attitudes towards inappropriate drinking

2010/11 • $17,500 • Scholarship/Fellowship,Other
Alcohol usage use in college populations is high. Two out of five college students binge drink; which means that over 426,000 Canadian college students consume alcohol. Alcohol use can lead to clinical depression, alcohol dependence, academic failure, sexual assault victimization, and a variety...

The vicious cycle: The link between substance misuse and mental health disorders

2010/11 • $3,000 • PI,CO
'Concurrent disorders' is the term used to describe a situation where a single individual is living with both a mental health disorder and a substance use problem. Concurrent disorders are very costly to the Canadian taxpayer and are associated with severe disability and poor response to...

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