Greg Hajcak

41.2k total citations · 6 hit papers
380 papers, 31.7k citations indexed

About

Greg Hajcak is a scholar working on Cognitive Neuroscience, Experimental and Cognitive Psychology and Clinical Psychology. According to data from OpenAlex, Greg Hajcak has authored 380 papers receiving a total of 31.7k indexed citations (citations by other indexed papers that have themselves been cited), including 251 papers in Cognitive Neuroscience, 206 papers in Experimental and Cognitive Psychology and 129 papers in Clinical Psychology. Recurrent topics in Greg Hajcak's work include Neural and Behavioral Psychology Studies (219 papers), Anxiety, Depression, Psychometrics, Treatment, Cognitive Processes (171 papers) and Child and Adolescent Psychosocial and Emotional Development (91 papers). Greg Hajcak is often cited by papers focused on Neural and Behavioral Psychology Studies (219 papers), Anxiety, Depression, Psychometrics, Treatment, Cognitive Processes (171 papers) and Child and Adolescent Psychosocial and Emotional Development (91 papers). Greg Hajcak collaborates with scholars based in United States, Canada and Germany. Greg Hajcak's co-authors include Dan Foti, Robert F. Simons, Doreen M. Olvet, Anna Weinberg, Daniel N. Klein, Annmarie MacNamara, Jason S. Moser, Edna B. Foa, Alexandria Meyer and Jonathan D. Huppert and has published in prestigious journals such as Journal of Neuroscience, SHILAP Revista de lepidopterología and PLoS ONE.

In The Last Decade

Greg Hajcak

374 papers receiving 31.3k citations

Hit Papers

5 papers align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

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

2002 2.2k citations Greg Hajcak et al. profile →
Event-Related Potentials, Emotion, and Emotion Regulation: An Integrative Review

2010 1.0k citations Greg Hajcak et al. profile →
The reward positivity: From basic research on reward to a biomarker for depression

2014 644 citations Greg Hajcak Psychophysiology profile →
The feedback-related negativity reflects the binary evaluation of good versus bad outcomes

2005 580 citations Greg Hajcak et al. Biological Psychology profile →
Increases in depression and anxiety symptoms in adolescents and young adults during the COVID-19 pandemic

2021 496 citations Mariah T. Hawes, Aline K. Szenczy et al. profile →
Significance?... Significance! Empirical, methodological, and theoretical connections between the late positive potential and P300 as neural responses to stimulus significance: An integrative review

2020 265 citations Greg Hajcak, Dan Foti Psychophysiology profile →

Peers

Countries citing papers authored by Greg Hajcak

Since Specialization

Citations

This map shows the geographic impact of Greg Hajcak's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Greg Hajcak with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Greg Hajcak more than expected).

Fields of papers citing papers by Greg Hajcak

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Greg Hajcak. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Greg Hajcak. The network helps show where Greg Hajcak may publish in the future.

Co-authorship network of co-authors of Greg Hajcak

This figure shows the co-authorship network connecting the top 25 collaborators of Greg Hajcak. A scholar is included among the top collaborators of Greg Hajcak based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Greg Hajcak. Greg Hajcak is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

#	Work	Indexed citations
1	Childhood psychopathology predicts development of error-related brain activity across adolescence 2025 ·Development and Psychopathology ·(unknown), Aline K. Szenczy, Mariah T. Hawes, Alexandria Meyer, Greg Hajcak, Brady D. Nelson	0
2	Trajectories of the Late Positive Potential Across Childhood and Adolescence: A 9-Year Longitudinal Study 2025 ·Child Development ·(unknown), Nathan Hager, (unknown), Aline K. Szenczy, Lindsay Dickey, Autumn Kujawa, Greg Hajcak, Brady D. Nelson, Daniel N. Klein	0
3	Characterizing within-person variance in, and menstrual cycle associations with, event-related potentials associated with positive and negative valence systems: The reward positivity and the error-related negativity 2024 ·Psychoneuroendocrinology ·Elizabeth M. Mulligan, Tory A. Eisenlohr‐Moul, (unknown), (unknown), Lisa A. Eckel, Greg Hajcak	1
4	The Balance N1 Is Larger in Children With Anxiety and Associated With the Error-Related Negativity 2024 ·SHILAP Revista de lepidopterología ·Aiden M. Payne, Norman B. Schmidt, (unknown), Greg Hajcak	1
5	Accelerometer-based and self-reported physical activity and sedentary time and their relationships with the P300 in a Go/No-Go task in older adults 2024 ·Brain and Cognition ·(unknown), (unknown), Greg Hajcak, Christopher J. Brush	2
6	Menstrual Cycle Modulation of Neural Reward Responsiveness and its Associations with Anhedonia 2023 ·Psychoneuroendocrinology ·Elizabeth M. Mulligan, Tory A. Eisenlohr‐Moul, Lisa A. Eckel, Greg Hajcak	1
7	Neural deficits in anticipatory and consummatory reward processing are uniquely associated with current depressive symptoms during adolescence 2023 ·Psychophysiology ·(unknown), Nicholas J. Santopetro, Christopher J. Brush, Dan Foti, Greg Hajcak	13
8	Examining Blunted Initial Response to Reward and Recent Suicidal Ideation in Children and Adolescents Using Event-Related Potentials: Failure to Conceptually Replicate Across Two Independent Samples 2022 ·Clinical Psychological Science ·Austin J. Gallyer, Kreshnik Burani, Elizabeth M. Mulligan, Nicholas J. Santopetro, Sean Dougherty, (unknown), Brady D. Nelson, Thomas E. Joiner, Greg Hajcak	5
9	Greater Cumulative Lifetime Stressor Exposure Predicts Blunted Reward Positivity in Adolescent Girls Followed for 2 Years 2022 ·Biological Psychiatry Cognitive Neuroscience and Neuroimaging ·Kreshnik Burani, Christopher J. Brush, Grant S. Shields, Daniel N. Klein, Brady D. Nelson, George M. Slavich, Greg Hajcak	14
10	Suicidal thoughts, behaviors, and event‐related potentials: A systematic review and meta‐analysis 2021 ·Psychophysiology ·Austin J. Gallyer, Sean Dougherty, Kreshnik Burani, Brian J. Albanese, Thomas E. Joiner, Greg Hajcak	14
11	The reward positivity shows increased amplitude and decreased latency with increasing age in early childhood 2021 ·Developmental Science ·Laura Hennefield, Kirsten Gilbert, Diana J. Whalen, (unknown), Laura E. Quiñones‐Camacho, Danielle Kelly, (unknown), Deanna M. Barch, Joan L. Luby, Greg Hajcak	4
12	The effort-doors task: Examining the temporal dynamics of effort-based reward processing using ERPs 2021 ·NeuroImage ·(unknown), Christopher J. Brush, (unknown), Eddie Harmon‐Jones, Michael T. Treadway, Christopher J. Patrick, Greg Hajcak	27
13	Recoiling From Threat: Anxiety Is Related to Heightened Suppression of Threat, Not Increased Attention to Threat 2021 ·Clinical Psychological Science ·Emily S. Kappenman, (unknown), Jaclyn L. Farrens, John J. McDonald, Greg Hajcak	16
14	Altered reward processing following an acute social stressor in adolescents 2019 ·PLoS ONE ·Sarah Hope Lincoln, Angela Pisoni, Erin Bondy, Poornima Kumar, (unknown), Greg Hajcak, Diego A. Pizzagalli, Randy P. Auerbach	24
15	Developmental trajectory of the late positive potential: Using temporal‐spatial PCA to characterize within‐subject developmental changes in emotional processing 2019 ·Psychophysiology ·Elizabeth M. Mulligan, Zachary P. Infantolino, Daniel N. Klein, Greg Hajcak	11
16	Impact of pubertal timing and depression on error‐related brain activity in anxious youth 2018 ·Developmental Psychobiology ·Amy T. Peters, Katie L. Burkhouse, Autumn Kujawa, (unknown), Kate D. Fitzgerald, Christopher S. Monk, Greg Hajcak, K. Luan Phan	5
17	Extraversion, neuroticism, and the electrocortical response to monetary rewards in adolescent girls 2018 ·Biological Psychology ·Brittany C. Speed, Brady D. Nelson, Amanda Levinson, Greg Perlman, Daniel N. Klein, Roman Kotov, Greg Hajcak	16
18	Patterns and reliability of EEG during error monitoring for internal versus external feedback in schizophrenia 2016 ·International Journal of Psychophysiology ·Katiah Llerena, Jonathan K. Wynn, Greg Hajcak, Michael F. Green, William P. Horan	19
19	Neural responses to gains and losses in children of suicide attempters. 2016 ·Journal of Abnormal Psychology ·Aliona Tsypes, Max Owens, Greg Hajcak, (unknown)	22
20	VENTROMEDIAL PREFRONTAL CORTEX REACTIVITY IS ALTERED IN GENERALIZED ANXIETY DISORDER DURING FEAR GENERALIZATION 2012 ·Depression and Anxiety ·Tsafrir Greenberg, Joshua M. Carlson, Jiook Cha, Greg Hajcak, Lilianne R. Mujica‐Parodi	178

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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