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| Name | Class |
|---|---|
| Lund University | OTHER |
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The aim of the study is to examine the prospective validity of neurocognitive functions and emotional factors in schoolchildren with ADHD and a control group of typically developing schoolchildren at baseline and after three years.
In spite of extensive research on children with ADHD, there is still insufficient understanding of the discriminative validity of neurocognitive tests and how test results of neurocognitive functions and ratings of emotional factors and ADHD symptoms change over time and interacts during development. The project is studying the validity of clinical assessment methods within the Swedish child and adolescent psychiatry service (CAP) related to the identification of ADHD, additional impairments, and comorbidity. The prospective validity of neurocognitive functions and emotional factors in schoolchildren with ADHD and a control group of typically developing schoolchildren at baseline and after three years will be investigated.
Specific aims: Aim I: Study how attentiveness and impulsivity in ADHD change over three years by comparing the results of psychological tests and rating scales at baseline and after three years Aim II: Study intellectual development in ADHD by comparing the results of intelligence tests at baseline and after three years- Aim III: Study how emotional factors change over three years by comparing the results of rating scales at baseline and after three years
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| ADHD group | Participants in the clinical group were recruited to the project when they were assessed for and diagnosed with ADHD at the Neuropsychiatric Unit of the CAP Clinic in Lund in 2011-2012. The ADHD group was treated as usual in the clinic and re-assessed during 2014-2015. | ||
| Non-clinical group | Participants in the non-clinical group were recruited recruited 2012 from schools in the same district and among children of the same average age as the ADHD-group 2012. The non-clinical group did not have any intervention during the follow-up time. Th non-clinical group was re-assessed during 2015. |
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| Measure | Description | Time Frame |
|---|---|---|
| Emotional status assessed with the Beck Youth Inventory. | The children were assessed with the Beck youth scales at two timepoints with a time interval of 3 years. Beck Youth Inventory consist of 5 subscales, Depression, Anxiety, Anger, Disruptive behaviour, Self-concept. It is standardized into percentiles and higher scores mean worse behaviour, except for Self-concept. In Self-concept higher scores mean better behaviour. | 2011-2012 and 2014-2015 |
| Measure | Description | Time Frame |
|---|---|---|
| Neuropsychological status assesses with the Conners' Continuous Performance Test (CPT) II | The children were assessed with the Conners'CPT II at two timepoints with a time interval of 3 years. Conners' CPT II is a performance based test measuring reaction time, reaction time variability, omissions and comissions. Conners' CPT II is standardised into T scores; mean=50, SD=10. Higher scores mean worse results. |
| Measure | Description | Time Frame |
|---|---|---|
| Cognitive status assesses with the Weschsler Intelligence Scales for Children-Fourth Edition (WISC-IV) | The children were assessed with the WISC-IV at two timepoints with a time interval of 3 years. The WISC-IV is a performance based test, measuring cognitive functioning. The WISC-IV consists of 10 core subtests, that form four composites (Verbal Comprehension, Perceptual Reasoning, Working Memory, Processing Speed) and Full Scale IQ. The WISC-IV is standardised into the IQ scale, mean=100, SD=15. Higher scores mean better results. |
Inclusion Criteria: The ADHD-group:
• The individuals were assessed and diagnosed with ADHD at the Neuropsychiatric Unit of the CAP Clinic in Lund in 2011-2012
Non-clinical group:
Exclusion Criteria:
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Children diagnosed with ADHD at the Neuropsychiatric Unit of the CAP Clinic in Lund in 2011-2012, 7 to 18 years old when recrutited to the study. School children from Lund, 7 to 18 years old when recrutited to the study.
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| Name | Affiliation | Role |
|---|---|---|
| Peik Gustafsson, Dr | Lund University | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Pia Tallberg | Lund | Skåne County | 22185 | Sweden |
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| ID | Term |
|---|---|
| D065886 | Neurodevelopmental Disorders |
| D001289 | Attention Deficit Disorder with Hyperactivity |
| D001008 | Anxiety Disorders |
| ID | Term |
|---|---|
| D001523 | Mental Disorders |
| D019958 | Attention Deficit and Disruptive Behavior Disorders |
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| 2011-2012 and 2014-2015 |
| 2011-2012 and 2014-2015 |