Abstract <p>Traditional neuroscience approaches often treat motor tests as tools for assessing specific functions like motor coordination. However, a growing body of evidence suggests that dividing behavior into isolated domains (“motor,” “cognitive,” “emotional”) is a methodological convention that does not reflect its integrated organization. In this study, we tested the hypothesis that performance in a classic “motor” task, traversing a narrow balance beam, in rats (<i>n</i> = 23) constitutes a complex behavioral act. We suggested that its individual profile is determined not so much by motor capacity as by motivational and situational factors, and that this profile remains robust against the systemic impact of ethanol. Statistical analysis revealed that interindividual variability across a complex of parameters (speed, pauses, movement strategies) accounted for 32.7% of the total variance, significantly exceeding the contribution of intraindividual fluctuations. Although group-level analysis identified a general trend towards behavioral simplification under ethanol (increased speed and reduced pausing), individual responses were divergent. Ethanol induced coordination impairments in some animals, while facilitating performance in others—an effect that did not correlate with their initial level of training. Our results demonstrate that an individual’s “motor” style in this task is a stable characteristic that integrates features of motivation, decision making, and risk assessment. This finding challenges the validity of a purely motor interpretation of such tests and points to the necessity of a paradigm shift: from searching for group-level effects of interventions towards analyzing individual behavioral trajectories as reflections of holistic neurobehavioral profiles.</p>