Astrid Célie (Editor)

Series: Psychology Research Progress
BISAC: PSY037000; MED102000
DOI: https://doi.org/10.52305/WIVN0321

Suicide remains one of the world’s most pressing public health challenges, accounting for an estimated 727,000 deaths each year. Despite decades of research spanning psychiatry, psychology, sociology, epidemiology, and public health, suicide continues to be a complex and multifaceted phenomenon whose underlying mechanisms and effective prevention strategies remain only partially understood. This volume brings together international perspectives to examine suicide through epidemiological, psychological, sociocultural, clinical, and policy-oriented lenses, offering new insights into risk factors, vulnerable populations, and opportunities for prevention. Chapter 1 investigates the spatio-temporal dynamics of suicide in Maceió, Brazil, examining regional trends within the broader context of socio-environmental challenges and situating the findings within statewide patterns. Building on this epidemiological foundation, Chapter 2 critically examines contemporary theories of suicide and evaluates the limitations of current structured risk assessment frameworks, highlighting why accurately predicting suicidal behavior remains one of the field’s greatest challenges. Subsequent chapters explore diverse dimensions of suicidal behavior. Chapter 3 investigates the phenomenology of suicidal ideation, distinguishing between passive and active forms while examining their temporal fluctuations and associations with established risk factors, including hopelessness, insomnia, agitation, impulsivity, substance use, and experiences of defeat, humiliation, and social isolation. Chapter 4 focuses on transgender adults, analyzing how differences in state-level sociopolitical environments influence experiences of discrimination, psychological distress, and suicidal ideation. Chapter 5 examines the influence of culture and subcultures on suicidal behavior, considering how cultural contexts shape the expression, prevalence, and perceived motivations underlying suicide. Chapter 6 examines the role of psychological inflexibility, a central construct in Acceptance and Commitment Therapy (ACT), demonstrating its relationship with suicidal risk among Japanese college students. Chapter 7 investigates the combined effects of alcohol consumption and nightmares, illustrating how interacting behavioral and sleep-related factors contribute to suicidal behavior. Finally, Chapter 8 addresses the mental health of medical residents, examining how the demanding conditions of residency training—including prolonged work hours, emotional strain, and highly competitive environments—contribute to psychological distress and suicidal ideation.

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