Digit eyes: Learning-related changes in information access in a computer game parallel those of oculomotor attention in laboratory studies.

Active sensing theory is founded upon the dynamic relationship between information sampling and an observer's evolving goals. Oculomotor activity is a well studied method of sampling; a mouse or a keyboard can also be used to access information past the current screen. We examine information access patterns of StarCraft 2 players at multiple skill levels. The first measures are analogous to existing eye-movement studies: fixation frequency, fixation targets, and fixation duration all change as a function of skill, and are commensurate with known properties of eye movements in learning. Actions that require visual attention at moderate skill levels are eventually performed with little visual attention at all. This (a) confirms the generalizability of laboratory studies of attention and learning using eye movements to digital interface use, and (b) suggests that a wide variety of information access behaviors may be considered as a unified set of phenomena.

Maltreatment, attachment, and substance use in adolescence: Direct and indirect pathways.

Past research indicates that maltreatment increases risk for adolescent substance use; however, research is limited on how attachment between adolescents and their parents influences this relationship. The present study examined psychological and physical maltreatment, attachment avoidance and attachment anxiety, and substance use (i.e., cigarettes, alcohol, marijuana, and 'other drugs') among adolescents between the ages of 12 and 18 (N = 737; 59.3% female; Mage = 14.69, SD = 1.46). Psychological maltreatment was significantly related to cigarettes, alcohol, and marijuana use, and physical maltreatment was related to cigarette and marijuana use. Exposure to both forms of maltreatment was also associated with increased attachment avoidance and attachment anxiety, but only attachment avoidance predicted substance use. Indirect paths indicated that attachment avoidance mediated the relationship between psychological maltreatment and cigarette (B = 0.14, CI [0.001, 0.314]) and alcohol use (B = 0.09, CI [0.011, 0.188]). Attachment avoidance also mediated the relationship between physical maltreatment and cigarette (B = 0.15, CI [0.031, 0.311]) and alcohol use (B = 0.09, CI [0.027, 0.185]). No significant mediated effects for attachment anxiety emerged. Attachment avoidance may increase risk for substance use because youth have a lower rate of disclosing their activities to their parents, and do not seek or accept their guidance. Instead, they may turn to peers who also engage in substance use as a source of support. Interventions designed to increase parent-teen attachment security and decrease attachment avoidance may be particularly useful in reducing risk for substance use.