Logo for University of Iowa Health Care This logo represents the University of Iowa Health Care

Block Laboratory

Robert Block

Robert I. Block, PhD
Associate Professor

Research Interests

  • Possible adverse effects of exposure to general anesthesia during infancy on childhood brain and cognitive development
  • Chronic and acute effects of drugs of abuse, such as marijuana, on memory and other cognitive functions; and on cognition-related changes in regional cerebral blood flow
  • Awareness and learning during general anesthesia; and effects of general anesthesia on memory
  • Effects of anesthetics (e.g., nitrous oxide) and anesthesia-related drugs (e.g., benzodiazepines) on memory and other cognitive functions


  • Block, R.I., Magnotta, V.A., Bayman, E.O., Choi, J.Y., Thomas, J.J., & Kimble, K.K. (2017). Are anesthesia and surgery during infancy associated with decreased white matter integrity and volume during childhood? Anesthesiology, epub ahead of print. [PubMed]
  • Jager, G., Block, R.I., Luijten, M., & Ramsey, N.F. (2013). Tentative evidence for striatal hyperactivity in adolescent cannabis-using boys: A cross-sectional multicenter fMRI study. Journal of Psychoactive Drugs, 45:156-167. [PubMed]
  • Block, R.I., Thomas, J.J., Bayman, E.O., Choi, J.Y., Kimble, K.K., Todd, M.M. (2012). Are anesthesia and surgery during infancy associated with altered academic performance during childhood?  Anesthesiology, 117:494-503. [PubMed]
  • Vaidya, J.G., Block, R.I., O'Leary, D.S., Ponto, L.B., Ghoneim, M.M., Bechara, A. (2012). Effects of chronic marijuana use on brain activity during monetary decision-making. Neuropsychopharmacology, 37, 618-629. [PubMed]