Former NIDA INVEST Fellow Dr. Raka Jain, India, and Dr. Paulo Cunha, Brazil, have been selected as the 2005 WHO/NIDA/CPDD International Traveling Fellows. The fellowships are co-sponsored by NIDA, the World Health Organization, and the College on Problems of Drug Dependence (CPDD) to support the participation of international researchers in the NIDA International Forum and the CPDD Annual Scientific Meeting. The Fellowship also supports brief research visits by the Fellows with NIDA grantees in the United States. Dr. Jain, a professor at the All India Institute of Medical Sciences, New Delhi, will work with Dr. Mike Baumann, IRP, on in vivo microdialysis techniques to correlate behavioral changes with neurotransmitter release rates. Dr. Cunha, an associate investigator in neuropsychology at the University of São Paulo, will visit NIDA’s functional Magnetic Resonance Imaging and Positron Emission Tomography facilities, working with Dr. Jean Lud Cadet, IRP, to assess the long-term effects of drugs of abuse on neurocognition. He will also visit Dr. Karen I. Bolla, Johns Hopkins University, to learn about Dr. Bolla’s research on sleep disturbance in marijuana withdrawal.