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A conceptual illustration showing a lone figure in a green shirt walking along a crumbling stone path that disintegrates into scattered fragments and fiery orange chaos on the right. The left depicts a serene green landscape with a setting sun, rolling hills, and trees, symbolizing the fragmentation of ideological frameworks and the collapse of defined structures into disordered violent extremism.

The end of ideological violence

$A conceptual double-exposure photo showing a young adolescent's face blended with a cracked, weathered wall texture, symbolizing political alienation and disillusionment. The left half reveals the youth's serious expression while the right dissolves into fractured, peeling surfaces, visually representing distrust, powerlessness, and psychological fragmentation associated with the pathway from system-disillusionment toward political radicalism in Swedish adolescents.$

System-disillusioned youth radicalize: The role of political alienation in the formation of political radicalism

$A photo showing a fragmented, close-up human face in muted blue-gray tones, overlaid with distorted textures and streaks of vivid red. The image is heavily manipulated with cracked, glass-like fractures and double-exposure effects that obscure the eyes, evoking themes of psychological rupture, obscured identity, and violence—visually paralleling the article's discussion of ideology-free extremism fixated on aggression itself.$

Extremism without ideology

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Sylvia P. Perry

Northwestern University, Department of Psychology and Institute for Policy Research

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Sylvia P. Perry is an Associate Professor in the Department of Psychology and the Institute for Policy Research at Northwestern University, a position held since 2021. Perry received a PhD in Psychology from the University of Illinois at Chicago in 2010. Much of Perry's research concerns racial bias, racial socialization, and intergroup relations, including work on how white parents discuss race with their children, the experiences of Black medical students, and bias among clinicians. Perry also works on questions related to partisanship, political polarization, democratic backsliding, and subjective well-being.

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Publications in advances.in/psychology

Research on well-being and happiness among Republicans and Democrats

Research Article

The politics of well-being during democratic backsliding: How partisan affiliation and support for government actions relate to happiness and life satisfaction

By Deborah J. Wu, Kyle F. Law, Stylianos Syropoulos, & Sylvia P. Perry

January 14, 2026

Page last updated: May 18, 2026