Working memory, fluid intelligence, and impulsiveness in heavy media multitaskers

Ophir, Nass, and Wagner (Proceedings of the National Association of Sciences 106:15583–15587, 2009) reported that individuals who routinely engage in multiple forms of media use are actually worse at multitasking, possibly due to difficulties in ignoring irrelevant stimuli, from both external sources and internal representations in memory. Using the media multitasking index (MMI) developed by Ophir et al., we identified heavy media multitaskers (HMMs) and light media multitaskers (LMMs) and tested them on measures of attention, working memory, task switching, and fluid intelligence, as well as self-reported impulsivity and self-control. We found that people who reported engaging in heavy amounts of media multitasking reported being more impulsive and performed more poorly on measures of fluid intelligence than did those who did not frequently engage in media multitasking. However, we could find no evidence to support the contention that HMMs are worse in a multitasking situation such as task switching or that they show any deficits in dealing with irrelevant or distracting information, as compared with LMMs.     

Cognitive control in media multitaskers: Two replication studies and a meta-Analysis

Ophir, Nass, and Wagner (2009, Proceedings of the National Academy of Sciences of the United States of America, 106(37), 15583–15587) found that people with high scores on the media-use questionnaire—a questionnaire that measures the proportion of media-usage time during which one uses more than one medium at the same time—show impaired performance on various tests of distractor filtering. Subsequent studies, however, did not all show this association between media multitasking and distractibility, thus casting doubt on the reliability of the initial findings. Here, we report the results of two replication studies and a meta-analysis that included the results from all published studies into the relationship between distractor filtering and media multitasking. Our replication studies included a total of 14 tests that had an average replication power of 0.81. Of these 14 tests, only five yielded a statistically significant effect in the direction of increased distractibility for people with higher scores on the media-use questionnaire, and only two of these effects held in a more conservative Bayesian analysis. Supplementing these outcomes, our meta-analysis on a total of 39 effect sizes yielded a weak but significant association between media multitasking and distractibility that turned nonsignificant after correction for small-study effects. Taken together, these findings lead us to question the existence of an association between media multitasking and distractibility in laboratory tasks of information processing.

     

Aggressivity,inattention, hyperactivity,and impulsivity in boys at high and low risk for substance abuse

Aggressivity, inattention, hyperactivity, and impulsivity are cardinal dimensions of externalizing behavior problems of childhood. They are diagnostic and clinical features of childhood disorders, and are thought to be linked to the subsequent development of adult disorders such as substance abuse (SA). Little is known, however, about the convergent and discriminant validity of these four constructs. We used multiple measures to develop indices of aggressivity, inattention, hyperactivity, and impulsivity in a sample of 10- to 12-year-old boys (N=183) with and without a family history of SA. Data were taken from mother reports, child reports, teacher reports, and laboratory tasks. The study aims were (1) to test the convergent and discriminant validity of aggressivity, inattention, hyperactivity, and impulsivity; (2) to examine whether the data were consistent with a model specifying the four constructs as indicators of one superordinate factor; and (3) to differentiate boys with and without a family history of SA in construct scores. The results supported the convergent and discriminant validity of the four constructs. Although discriminable, the constructs covaried strongly and were consistent with a model specifying them as indicators of a single superordinate factor. Boys with a family history of substance abuse scored higher than control boys on aggressivity, inattention, and impulsivity scores, but the groups did not differ on hyperactivity scores. The results are discussed in terms of the role of childhood behavior problems in vulnerability to SA.This work was supported by the National Institute on Drug Abuse grant No. DA 05605.     

Correction to: Cognitive control in media multitaskers: Two replication studies and a meta-Analysis

Attention, Perception, & Psychophysics - In the original article, the number of HMMs and LMMs who took part in the first study was reported to have been 13and 10, respectively (p. 2624).     

Tuning in and tuning out: media multitasking among young consumers

• While commercial media are increasingly attended to in multitasking contexts, advertising research is dominated by sequential marketing communication models where the consumer is a passive receiver of one type of media at a time. This study examine's media multitasking behaviors and experiences among young consumers. Media multitasking is the practice of participating in multiple exposures to two or more commercial media forms at a single point in time, including traditional, online, social, and entertainment media. Prior research argues that multitasking results in diminished comprehension and performance. Through a qualitative approach with a sample of 64 young consumers involving interviews and collages, this study highlights the paradoxical experiences of media multitasking. The authors develop a conceptual model that explains the personal benefits and costs associated with media multitasking, and proposes its impact on consumers' motivation, ability and opportunity (the MAO model) to process commercial media content. Further, the study suggests an inverted‐U relationship between media multitasking and the MAO model and proposes four behavioral coping moderators to this relationship.

Copyright © 2010 John Wiley & Sons, Ltd.     

Comparisons of women with high and low trait impulsivity using behavioral models of response-disinhibition and reward-choice

Two types of behavioral models of impulsive behavior, response-disinhibition/attentional and reward-choice response models, were used to compare women grouped by high (Impulse+, n=43) and low (Impulse−, n=43) self-reported impulsive behavior on the Eysenck I₇ Questionnaire. Two of the four different tasks tested were response-disinhibition/attentional models; these included the Immediate and Delayed Memory Task and the GoStop Task. The other two tasks were based on the reward-choice model of impulsivity and included the Single Key Impulsivity Paradigm and the Two-Choice Reward Task. Of particular interest was whether commission errors (response-disinhibition/attentional paradigms) or a preference for smaller–sooner rewards over larger–later rewards (reward-choice) would differ between the groups. Participants completed one session of each task in a single day. The most significant findings were that the Impulse+ group had: (1) elevated commission errors; (2) lower stimulus discriminability (between target and catch stimuli); and (3) poorer response inhibition to a stop signal. Responding on the response-disinhibition/attentional tasks distinguished between the impulsivity groups while the reward-choice tasks did not. These results demonstrate that women who report higher levels of trait impulsivity respond in a manner consistent with previous studies examining impulsive behavior.     

Marijuana's effects on human cognitive functions, psychomotor functions, and personality

Marijuana is complex chemically and not yet fully understood, but it is not a narcotic. Like alcohol, marijuana acts as both stimulant and depressant, but it lingers in body organs longer than alcohol. Smoking marijuana can injure mucosal tissue and may have more carcinogenic potential than tobacco. Research has indicated that marijuana intoxication definitely hinders attention, long-term memory storage, and psychomotor skills involved in driving a car or flying a plane. Expectations and past experience with marijuana have often influenced results more than pharmacological aspects have. Marijuana has triggered psychotic episodes in those more vulnerable. Psychological and some instances of physiological dependence on marijuana have been demonstrated. As a psychoactive drug, marijuana surely alters mental functioning. Although it is possible that chronic use of marijuana produces irreversible damage to mind or brain areas, this has not been determined by research.     

Race effects in modifying cognitive impulsivity through self-instruction and modeling.

Seven-year-old children, identified as impulsive on the basis of MFF performance, were given a training program intended to modify their impulsivity through modeling and self-instruction. All the subjects were of comparable intelligence, social class, geographic residence, and were matched on sex. The 40 experimental subjects were paired on the basis of race. Half the pairs were trained by white models and half by black models. While the results do not provide unequivocal support for the effectiveness of such training, they do demonstrate selective changes in impulsivity based upon racial similarities of models and subjects. The construct validity of the MFF as a measure of reflection-impulsivity and the relevance of social class membership is discussed.     

Repression versus sensitization in response to media violence as predictors of cognitive avoidance and vigilance

Repression and sensitization as situational modes of coping with anxiety were examined as predictors of trait measures of cognitive avoidance and vigilance. In this study, 303 undergraduates saw a violent film clip to elicit anxiety. Increases in skin conductance level (SCL) and state anxiety (STA) from baseline were measured to identify repressors (high SCL, low STA) and contrast them with sensitizers (low SCL, high STA) and genuinely low anxious individuals (low SCL, low STA). State anger was also recorded. Trait measures of vigilance and cognitive avoidance were collected 2 weeks earlier. Significant SCL × STA interactions indicated that repressors scored higher on cognitive avoidance and lower on vigilance compared to sensitizers and low anxious participants. Repressors were less likely than sensitizers to report gaze avoidance during the clip. The anger by SCL interaction was nonsignificant, suggesting that repressors and sensitizers differ specifically in the processing of anxiety rather than negative affect in general.     

Media use, face-to-face communication, media multitasking, and social well-being among 8- to 12-year-old girls

An online survey of 3,461 North American girls ages 8-12 conducted in the summer of 2010 through Discovery Girls magazine examined the relationships between social well-being and young girls' media use--including video, video games, music listening, reading/homework, e-mailing/posting on social media sites, texting/instant messaging, and talking on phones/video chatting--and face-to-face communication. This study introduced both a more granular measure of media multitasking and a new comparative measure of media use versus time spent in face-to-face communication. Regression analyses indicated that negative social well-being was positively associated with levels of uses of media that are centrally about interpersonal interaction (e.g., phone, online communication) as well as uses of media that are not (e.g., video, music, and reading). Video use was particularly strongly associated with negative social well-being indicators. Media multitasking was also associated with negative social indicators. Conversely, face-to-face communication was strongly associated with positive social well-being. Cell phone ownership and having a television or computer in one's room had little direct association with children's socioemotional well-being. We hypothesize possible causes for these relationships, call for research designs to address causality, and outline possible implications of such findings for the social well-being of younger adolescents.     

Motor inhibition, reflection impulsivity, and trait impulsivity in pathological skin picking

Pathological skin picking (PSP) is often recognized as an impulse control disorder. The current study sought to investigate the relationship between PSP and different forms of impulsivity. University students that met criteria for PSP (n = 55) and university students without history of PSP (n = 55) answered a multidimensional impulsivity questionnaire (the UPPS Impulsive Behavior Scale) and completed 2 neurocognitive tasks that assess impulsivity (the Stop Signal Task and the Information Sampling Task). The PSP group scored significantly higher than the control group on the negative and positive urgency subscales of the UPPS, but the groups did not differ on other subscales or the neurocognitive tasks. Logistic regression demonstrated that the urgency scales added to the prediction of PSP after negative affect and other forms of impulsivity were adjusted for. The results indicate that PSP sufferers are characterized by emotion-based impulsivity and do not appear to be impulsive in other ways.     

Insight problem solving in individuals with high versus low schizotypy

Insight problem solving requires restructuring of a problem space by stepping out of the framework provided by the commonly activated cognitive schemas and acquiring a new perspective on the problem. Schizotypy has been linked with loosened associative and overinclusive thinking that may be advantageous for this process. The present study tested this hypothesis and found that individuals with a high degree of schizotypy show better performance on a set of insight problems relative to individuals with low schizotypy, but not on a set of incremental problems that required focused goal-related thinking. Results support the notion that schizotypy is associated not only with enhanced abilities in creative processes involved in divergent thinking but also in creative operations during analytical problem solving.     

Early antecedents of childhood impulsivity: The role of parent-child interaction,cognitive competence,and temperament

This prospective longitudinal investigation examined early mother-child interaction as a predictor of children's later self-control capabilities. Multimethod assessments of mother-child relationships, primarily focused on observed relationship qualities in the home, were conducted during the first 2 years and related to children's later impulse control capabilities. Child cognitive competence and temperament assessed during the 2nd year were also related to later impulsivity. Follow-up assessments of children's impulsivity were conducted at age 6 (N=79), using a variety of laboratory measures. Findings indicated that responsive, cognitively stimulating parenttoddler interactions in the 2nd year modestly predicted later measures of cognitive nonimpulsivity and ability to delay gratification. Security of mother-infant attachment predicted the same outcomes, but only for boys and not for girls. Child cognitive competence in the 2nd year also consistently predicted children's later impulse control capabilities, although this was not true for measures of child temperament. Overall, the findings support a multidimensional and developmental conceptualization of the early antecedents of childhood impulsivity.This research was supported by NIMH grants MH28018 to J. E. Bates and MH38605 to S. L. Olson. Portions of this research were presented at the biennial meeting of the Society for Research in Child Development, Baltimore, April 1987. The authors thank the families who participated, and others whose help was essential in data collection: Beth Ridge, Melinda Monroe, Jeff Harness, and Christine Maslin.     

Executive functions,impulsivity, and inhibitory control in adolescents: A structural equation model

Background. Adolescence represents a critical period for brain development, addressed by neurodevelopmental models to frontal, subcortical-limbic, and striatal activation, a pattern associated with rise of impulsivity and deficits in inhibitory control. The present study aimed at studying the association between self-report measures of impulsivity and inhibitory control with executive function in adolescents, employing structural equation modeling. Method. Tests were administered to 434 high school students. Acting without thinking was measured through the Barratt Impulsiveness Scale and the Dickman Impulsivity Inventory, reward sensitivity through the Behavioral Activation System, and sensation seeking through the Zuckerman–Kuhlman–Aluja Personali- ty Questionnaire. Inhibitory control was assessed through the Behavioral Inhibition System. The performance at the Wisconsin Card Sorting Task indicated executive function. Three models were specified using Sample Covariance Matrix, and the estimated parameters using Maximum Likelihood. Results. In the final model, impulsivity and inhibitory control predicted executive function, but sensation seeking did not. The fit of the model to data was excellent. Conclusions. The hypothesis that inhibitory control and impulsivity are predictors of executive function was supported. Our results appear informative of the validity of self-report measures to examine the relation between impulsivity traits rather than others to regulatory function of cognition and behavior.     

Computer assisted versus traditional vocational counseling with high and low readiness clients

This study tested Hershenson's hypothesis that different vocational counseling methods would be differentially effective for clients at different levels of readiness. The top 54 and bottom 54 high school sophomores from a class of 853 were selected on the basis of their Educational Development Series test scores. Half of each group (highs and lows) received individual counseling; the other half interacted with a computerized vocational information program (CVIS). It was predicted that high readiness subjects would change more with CVIS and lows would change more with counseling. Only the latter prediction was confirmed. The groups did not differ in satisfaction with their posttreatment vocational choices. Findings suggest that individual counseling be emphasized with low readiness clients when both options are available.     

Content and person effects in media research: Studying differences in cognitive,emotional, and arousal responses to media content

ABSTRACT

Cognitive, emotional, and arousal responses to media content stem from two sources of variation: differences in content and differences between individuals. Although the first source of variation (content effects) has been well-studied, individual differences (person effects) in responses to media are investigated much less within communication science. To help build this comparatively thin area of scholarship, this study investigated how four theoretically relevant variables (need for cognition, affective empathy, sensation seeking, and sensory processing sensitivity) affected responses to positively and negatively valenced media entertainment. In a within-subjects design, 243 youth aged 7–15 years (49.4% female) responded to a positive and negative film clip using both self-reported and physiological measures (heart rate and skin conductance), while parents reported on individual differences. Multilevel analysis was used to distinguish between media content effects and individual differences in responses. Results showed that more variation in responses was due to differences between participants than to differences between stimuli. However, need for cognition, affective empathy, sensation seeking, and sensory processing sensitivity did not significantly explain this between-participant variation in responses. Several conceptual and methodological take-aways are offered to advance our understanding of the relationships between stable individual differences and state responses to media.     

Effects of impulsivity, reinforcement sensitivity, and cognitive style on Pathological Gambling symptoms among frequent slot machine players

Pathological Gambling (PG) is the inability to resist recurrent urges to gamble excessively despite harmful consequences to the gambler or others. A cognitive-behavioral Pathways Model of PG (Blaszczynski & Nower, 2002) suggests individual differences in rash impulsivity and reward sensitivity, together with a cognitive style that promotes poor decision making, as risk factors. These individual differences were examined in a community sample of experienced slot machine players (N = 100), who were classified into Low, Moderate, and Problem gambling groups according to the Problem Gambling Severity Index (Ferris & Wynne, 2001). There were significant group differences on rash impulsivity as measured by the Eysenck Impulsivity scale, and on reward sensitivity as measured by the BIS/BAS Drive scale. For cognitive style, there were differences on Actively Openminded Thinking (AOT), but not the Rational Experiential Inventory. Hierarchical regression analyses found that impulsivity and AOT predicted severity of PG, but that AOT mediated the effect of BAS Drive. A thinking style that promotes erroneous cognition may correlate with PG, but individual differences in rash impulsivity and reward-seeking play a more critical role in the etiology of PG. The individual characteristics of Pathological Gamblers are similar to those of people with Substance Use Disorders.