Imaging for the CATS Study: for more information on CATS, please go to the main CATS listing.


Study name Imaging Brain Development in the Childhood to Adolescence Transition Study
Study abbreviation iCATS
Current principal investigator/s A/Prof Sarah Whittle, Dr Julian Simmons, Prof. Nicholas Allen, Prof. George Patton
Current project manager Dr Julian Simmons
Cohort representative (study contact) Dr Julian Simmons
Postal address Melbourne Neuropsychiatry Centre, Level 3 Alan Gilbert Building, 161 Barry Street, Carlton, Victoria 3053
Phone +613 90358318
Primary Institution The University of Melbourne
Collaborating Institution/s Murdoch Childrens Research Institute 
Major funding sources The Australian Research Council, The National Health and Medical Research Council
Key reference Simmons, J. G., Whittle, S. L., Patton, G. C., Dudgeon, P., Olsson, C., Byrne, M. L., et al. (2014). Study protocol: Imaging brain development inthe Childhood to Adolescence Transition Study(iCATS), 14(1), 1–10. doi: 10.1186/1471-2431-14-115
Are data available outside study team? Yes, but requirement that analyses and arising publications will be carried out in collaboration with at least one of the principal investigators.
Study focus Puberty, brain development and psychopathology
Sampling frame 8-year old children selected from larger longitudinal study with high or low morning salivary DHEA and Testosterone levels.
Year commenced 2012
Commencement sample 128 
Intergenerational? No 
Imaging MRI, DWI and fMRI at Time 1 and 2. 
Linkage No
Biosamples? Saliva samples and hair samples at all time points. 
Ethics approvals or requirements? Specific consent


Wave Year Age (mean, range) Eligible sample
1  2012 – 2013 9.51, 8 – 10 years 128
2  2015 – 2016 11.93, 11-13 years 126
3  2017 13 – 14 years TBC