Greg Hajcak

The Obsessive-Compulsive Inventory: Development and validation of a short version.

Edna B. Foa, Jonathan D. Huppert, Susanne Leiberg et al. · Psychological Assessment · 2002 · 3K citations

Social Sciences, Psychiatry, Psychology +13

The reward positivity: From basic research on reward to a biomarker for depression

Greg Hajcak · Psychophysiology · 2014 · 915 citations

Nursing, Neuroscience, Psychology +17

Increases in depression and anxiety symptoms in adolescents and young adults during the COVID-19 pandemic

Mariah T. Hawes, Aline K. Szenczy, Daniel N. Klein et al. · Psychological Medicine · 2021 · 769 citations · Full text

Medicine, Infectious Diseases, Psychiatry +17

The feedback-related negativity reflects the binary evaluation of good versus bad outcomes

Greg Hajcak, Jason S. Moser, Clay B. Holroyd et al. · Biological Psychology · 2005 · 715 citations

Social Sciences, Psychology, Social Psychology +9

On the ERN and the significance of errors

Greg Hajcak, Jason S. Moser, Nick Yeung et al. · Psychophysiology · 2005 · 614 citations

Social Sciences, Neuroscience, Psychology +8