Healthy Brains & Behavior: Understanding and Treating Youth Aggression
| Status: | Completed |
|---|---|
| Conditions: | Psychiatric |
| Therapuetic Areas: | Psychiatry / Psychology |
| Healthy: | No |
| Age Range: | 11 - 12 |
| Updated: | 4/2/2016 |
| Start Date: | February 2009 |
| End Date: | May 2013 |
| Contact: | Liana Soyfer, BA |
| Email: | LSoyfer@sas.upenn.edu |
| Phone: | 215-746-4392 |
Biosocial Prediction and Intervention on Childhood Aggression
Understanding the joint neurobiological and social bases to aggression is critical to future
attempts to tackle this major public health problem. The overarching goals are: (a) to
conduct perhaps the most systematic integration of biosocial risk factors for childhood
aggression in order to predict later aggression, (b) to conduct one of the very few
biosocial interventions on childhood aggression, (c) to predict and treat two fundamentally
different manifestations of aggression proactive and reactive aggression which likely have
different etiologies and responsiveness to treatment. The specific aims are: (1) to assess
biological (genetic, neurocognitive, brain imaging, neuroendocrinological, neurotoxin,
psychophysiological, nutritional), psychosocial (neighborhood, family, school, peer,
psychological) and psychiatric (ADHD, CD, ODD, depression, anxiety, PTSD,
schizophrenia-spectrum) risk factors for male and female aggression in order to better
predict later aggression, (2) to improve prediction by identifying the genetic,
neuroimaging, psychophysiological, and neuroendocrinological factors that protect children
who are socially at risk for a violence outcome, (3) to develop a genetic mouse model of
aggression to test the effectiveness of nutritional interventions in reducing aggression,
(4) to begin to develop a new biosocial approach to the treatment and prevention of
aggression, based on both cognitive-behavioral and nutrition interventions, (5) to assess
the differential prediction and treatment of two fundamental variants of child aggression:
proactive and reactive aggression. The human sample will consist of 500 male and female
11-year-old children drawn from high-risk communities in Philadelphia. Three hundred
participants will engage in a baseline assessment for risk factors for aggression, and then
be randomly assigned to one of four three-month intervention programs: treatment-as-usual,
cognitive-behavioral intervention, nutrition supplementation, or CBI + nutrition. Aggression
outcome will be assessed throughout intervention and post-intervention.
The investigators believe that biological risk factors will interact with social risk
factors in predicting aggression, over and above main effects of these classes of risk
factors. Treatment effectiveness will interact with risk factors: those with low omega-3 and
high lead exposure at intake will benefit most from the nutritional intervention; those with
cognitive and affective risk factors will benefit most from the neuro-cognitive-behavioral
intervention.
attempts to tackle this major public health problem. The overarching goals are: (a) to
conduct perhaps the most systematic integration of biosocial risk factors for childhood
aggression in order to predict later aggression, (b) to conduct one of the very few
biosocial interventions on childhood aggression, (c) to predict and treat two fundamentally
different manifestations of aggression proactive and reactive aggression which likely have
different etiologies and responsiveness to treatment. The specific aims are: (1) to assess
biological (genetic, neurocognitive, brain imaging, neuroendocrinological, neurotoxin,
psychophysiological, nutritional), psychosocial (neighborhood, family, school, peer,
psychological) and psychiatric (ADHD, CD, ODD, depression, anxiety, PTSD,
schizophrenia-spectrum) risk factors for male and female aggression in order to better
predict later aggression, (2) to improve prediction by identifying the genetic,
neuroimaging, psychophysiological, and neuroendocrinological factors that protect children
who are socially at risk for a violence outcome, (3) to develop a genetic mouse model of
aggression to test the effectiveness of nutritional interventions in reducing aggression,
(4) to begin to develop a new biosocial approach to the treatment and prevention of
aggression, based on both cognitive-behavioral and nutrition interventions, (5) to assess
the differential prediction and treatment of two fundamental variants of child aggression:
proactive and reactive aggression. The human sample will consist of 500 male and female
11-year-old children drawn from high-risk communities in Philadelphia. Three hundred
participants will engage in a baseline assessment for risk factors for aggression, and then
be randomly assigned to one of four three-month intervention programs: treatment-as-usual,
cognitive-behavioral intervention, nutrition supplementation, or CBI + nutrition. Aggression
outcome will be assessed throughout intervention and post-intervention.
The investigators believe that biological risk factors will interact with social risk
factors in predicting aggression, over and above main effects of these classes of risk
factors. Treatment effectiveness will interact with risk factors: those with low omega-3 and
high lead exposure at intake will benefit most from the nutritional intervention; those with
cognitive and affective risk factors will benefit most from the neuro-cognitive-behavioral
intervention.
Inclusion Criteria:
Entry into risk assessment component:
- Must be identified by their health care provider as meeting study criteria.
- Must be 11 or 12 years old
- Can be from the general population or who exhibit problem or aggressive behavior.
- Determination if the child meets criteria for enrollment into the at-risk risk group
who will be entered into the RCT will be determined by the PI at the completion of
the risk assessment day.
- Participant can be of any racial or ethnic background.
- Both youth and parent must be able to speak and understand English and able to
provide informed assent/consent.
Entry into intervention component:
- Entry will be determined by the findings of the risk assessment that is conducted on
study entry.
- Participants diagnosed with oppositional defiant disorder or have a borderline
diagnosis
- Participants diagnosed with conduct disorder or have a borderline diagnosis
- Participants who score one standard deviation above the (normed population) mean on
the either the reactive or proactive components of the Reactive-Proactive Aggression
questionnaire
- Participants who score one standard deviation above the mean on the aggression
subscale of the CBC, will be entered into the clinical trial
- These criteria may be relaxed slightly to ensure that we have sufficient participants
in the intervention phase of the study.
Exclusion Criteria:
The goal is to be inclusive rather than exclusive, so as to achieve a more naturalistic
cohort of community-residing children and their parent(s). Exclusion criteria are designed
to deliberately limit the sample to eliminate, to the greatest possible extent, variables
that might confound our primary aims.
Exclusion criteria include:
- A diagnosed psychotic disorder
- Mental retardation
- Claustrophobia
- Currently under psychiatric care
- Pervasive developmental disorders
- Conditions that preclude participation (or increase risk) in the clinical trial (Type
1 diabetes mellitus; metabolic diseases, gastro-intestinal disorders affecting
nutrient absorption, cancer)
- Currently on medication that may modify lipid metabolism
- Extensive use of nutritional supplements within the previous 3 months
- Seafood allergy
- Presence or history of orthopedic circumstances and metallic inserts interfering with
MR scanning; 11) pregnant in the case of females.
- There are no exclusions by sex or race/ethnicity.
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