Erik G. Jönsson focuses on Genome-wide association study, Genetics, Schizophrenia, Neuroscience and Allele. His research integrates issues of Odds ratio, Copy-number variation, Disease, Genetic association and Genetic architecture in his study of Genome-wide association study. He has included themes like Hippocampal formation and Psychosis in his Genetics study.

Erik G. Jönsson studies Schizophrenia, namely Psychiatric genetics. His studies deal with areas such as Dementia and Brain size as well as Neuroscience. His Allele research is multidisciplinary, relying on both Big Five personality traits, Karolinska Scales of Personality, Dopamine receptor and Immunology.

His main research concerns Schizophrenia, Genetics, Internal medicine, Neuroscience and Psychosis. His work carried out in the field of Schizophrenia brings together such families of science as White matter, Bipolar disorder and Clinical psychology. His Genetics and Allele, Genome-wide association study, Gene, Single-nucleotide polymorphism and Genetic association investigations all form part of his Genetics research activities.

The various areas that Erik G. Jönsson examines in his Genome-wide association study study include Odds ratio, Copy-number variation, Linkage disequilibrium, Disease and Brain size. Erik G. Jönsson has researched Internal medicine in several fields, including Endocrinology, Oncology and Cardiology. His work deals with themes such as Dementia and Genetic architecture, which intersect with Neuroscience.