Despite decades of neuroscientific research, psychiatric conditions continue to resist
clear and consistent biological explanation. This article critically examines the
dominance of neuro-reductionist models in psychiatry and introduces behaviour
analysis as a compelling alternative—one that explicitly rejects the notion that
psychiatric conditions can be reduced to brain dysfunctions. Rooted in radical
behaviourism, behaviour analysis highlights the central role of contextual variables and
learning processes in the development and maintenance of psychiatric conditions. By
conceptualizing psychiatric phenomena at the level of behaviour—understood as the
dynamic interaction between individuals and their environments—this framework
aligns with contemporary approaches such as 4E Cognition, network theory, and
phenomenology, while contributing a distinctive emphasis on learning histories and the
use of functional analysis as a key tool for understanding psychiatric conditions. The
article examines the philosophical underpinnings of behaviour analysis, its implications
for clinical practice and psychiatric research, and its potential to foster interdisciplinary
dialogue. Ultimately, it argues that incorporating behavioural principles into psychiatry
can deepen our understanding of mental suffering and promote more context-sensitive,
individualized, and effective interventions.