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A woodcut-style print showing a dark, foreboding interior with tangled black tree-like branches filling the left side, an open door on the right revealing a pale bleak landscape, and a stark red path winding through the center foreground. The high-contrast black, cream, and red palette evokes trauma, threat, and disturbed childhood environments symbolizing adverse experiences leading toward violence.

Adverse childhood experiences and violent extremism: A scoping review of the literature

By Teja Pammi, Caterina Ceccarelli, Sam Hibbs, Jemima Chase, Nafees Hamid, & Fiona S. McEwen

A conceptual painted illustration showing a solitary dark chess king piece standing on a cracked stone surface, casting a long shadow across a diagonal beam of light. Fractured lines radiate outward while a red glow pools at the base, symbolizing leadership, power orientation, and the destabilizing lethal influence of violent extremist organization leaders across their tenure.

Deadly persuasion: A multilevel analysis of leader influence tactics and lethality in violent extremist organizations

By Mackenzie Harms, Alex Bruens, Justin Jones, & Gina Ligon

A conceptual artistic photo showing two open doorways in a dim, textured room, each emitting warm glowing light. A flock of bird silhouettes flies between them, transitioning from a dark dissolving mass on the left toward the illuminated openings. The imagery evokes choice and switching between two options, metaphorically representing pigeon preference and changeover behavior during concurrent VI VI reinforcement schedules.

When a stay is a switch: Discriminative control of response chunks determines preference during concurrent VI VI schedules

By J. Mark Cleaveland

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Corey Nack

Department of Psychological Sciences, Purdue University

ORCID Profile Google Scholar

Corey Nack is a researcher in the Department of Psychological Sciences at Purdue University whose work focuses on cognitive control, including the congruency effect and the flexibility-stability tradeoff. Nack also investigates task switching and persistence as they relate to adaptive cognitive functioning.

Has published with:

Chiu Yu-Chin

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9 Publications

8 Citations

2 h-index

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Publications in advances.in/psychology

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Cognitive flexibility and stability at the task-set level: A dual-dimension framework

By Corey Nack & Chiu Yu-Chin

December 8, 2023

Page last updated: July 30, 2026