The role of color information on object recognition: a review and meta-analysis

In this study, we systematically review the scientific literature on the effect of color on object recognition. Thirty-five independent experiments, comprising 1535 participants, were included in a meta-analysis. We found a moderate effect of color on object recognition (d = 0.28). Specific effects of moderator variables were analyzed and we found that color diagnosticity is the factor with the greatest moderator effect on the influence of color in object recognition; studies using color diagnostic objects showed a significant color effect (d = 0.43), whereas a marginal color effect was found in studies that used non-color diagnostic objects (d = 0.18). The present study did not permit the drawing of specific conclusions about the moderator effect of the object recognition task; while the meta-analytic review showed that color information improves object recognition mainly in studies using naming tasks (d = 0.36), the literature review revealed a large body of evidence showing positive effects of color information on object recognition in studies using a large variety of visual recognition tasks. We also found that color is important for the ability to recognize artifacts and natural objects, to recognize objects presented as types (line-drawings) or as tokens (photographs), and to recognize objects that are presented without surface details, such as texture or shadow. Taken together, the results of the meta-analysis strongly support the contention that color plays a role in object recognition. This suggests that the role of color should be taken into account in models of visual object recognition.     

What do you do when things go right? The intrapersonal and interpersonal benefits of sharing positive events

Four studies examined the intrapersonal and interpersonal consequences of seeking out others when good things happen (i.e., capitalization). Two studies showed that communicating personal positive events with others was associated with increased daily positive affect and well-being, above and beyond the impact of the positive event itself and other daily events. Moreover, when others were perceived to respond actively and constructively (and not passively or destructively) to capitalization attempts, the benefits were further enhanced. Two studies found that close relationships in which one's partner typically responds to capitalization attempts enthusiastically were associated with higher relationship well-being (e.g., intimacy, daily marital satisfaction). The results are discussed in terms of the theoretical and empirical importance of understanding how people "cope" with positive events, cultivate positive emotions, and enhance social bonds.     

Color makes a difference: two-dimensional object naming in literate and illiterate subjects

Previous work has shown that illiterate subjects are better at naming two-dimensional representations of real objects when presented as colored photos as compared to black and white drawings. This raises the question if color or textural details selectively improve object recognition and naming in illiterate compared to literate subjects. In this study, we investigated whether the surface texture and/or color of objects is used to access stored object knowledge in illiterate subjects. A group of illiterate subjects and a matched literate control group were compared on an immediate object naming task with four conditions: color and black and white (i.e., grey-scaled) photos, as well as color and black and white (i.e., grey-scaled) drawings of common everyday objects. The results show that illiterate subjects perform significantly better when the stimuli are colored and this effect is independent of the photographic detail. In addition, there were significant differences between the literacy groups in the black and white condition for both drawings and photos. These results suggest that color object information contributes to object recognition. This effect was particularly prominent in the illiterate group.     

Attachment and exploration in adulthood

In the present work, the relationship between attachment and exploration in adulthood is examined from both theoretical and empirical standpoints. Theoretically, attachment theory's exploration system is linked to R. W. White's (1959) concept of effectance motivation, and to the motive and goals constructs that are central to the achievement motivation literature. Empirically, 4 studies are presented that document a link between adult attachment (operationalized using categorical, continuous, and dimensional measures) and achievement motives (need for achievement and fear of failure) and achievement goals (mastery-approach, mastery-avoidance, performance-approach, performance-avoidance, and approach relative to avoidance personal strivings). Mediational analyses establish the role of challenge construal, threat construal, and competence valuation in accounting for the observed relationships.     

Cardiovascular correlates of emotional expression and suppression: do content and gender context matter?

Three studies examined cardiovascular (CV) responses during emotional expression with empathically responsive strangers. Study 1 demonstrated that self-relevant emotional expression fostered CV reactivity consistent with challenge. Study 2 manipulated content of discussion by assigning participants to 1 of 4 conditions: emotional, nonemotional, emotional suppression, nonemotional suppression. In same-sex dyads. emotional expression elicited CV challenge reactivity whereas emotional suppression evoked CV threat reactivity, both compared with appropriate control groups. In opposite-sex dyads, however, emotional expression engendered CV threat. Because same- and opposite-sex disclosures differed, Study 3 controlled the content of emotional expression while manipulating gender context. Results confirmed findings from the first 2 studies, indicating that both context and content of emotional expression influenced CV effects. Findings are discussed within a theoretical challenge and threat perspective.     

Educational level, socioeconomic status and aphasia research: a comment on Connor et al. (2001)--effect of socioeconomic status on aphasia severity and recovery

Is there a relation between socioeconomic factors and aphasia severity and recovery? describe correlations between the educational level and socioeconomic status of aphasic subjects with aphasia severity and subsequent recovery. As stated in the introduction by, studies of the influence of educational level and literacy (or illiteracy) on aphasia severity have yielded conflicting results, while no significant link between socioeconomic status and aphasia severity and recovery has been established. In this brief note, we will comment on their findings and conclusions, beginning first with a brief review of literacy and aphasia research, and complexities encountered in these fields of investigation. This serves as a general background to our specific comments on, which will be focusing on methodological issues and the importance of taking normative values in consideration when subjects with different socio-cultural or socio-economic backgrounds are assessed.     

Behavioral activation and inhibition in everyday life

Joint effects of daily events and dispositional sensitivities to cues of reward and punishment on daily positive affect (PA) and negative affect (NA) were examined in 3 diary studies. Study 1 showed that positive events were strongly related to PA but not NA, whereas negative events were strongly related to NA but not PA. Studies 2 and 3 examined how the dispositional sensitivities of independent appetitive and aversive motivational systems, the Behavioral Activation System (BAS) and the Behavioral Inhibition System (BIS), moderated these relationships. Participants in Study 2 with higher BAS sensitivity reported more PA on average; those with more sensitive BIS reported more NA. Also, BIS moderated reactions to negative events, such that higher BIS sensitivity magnified reactions to negative events. Study 3 replicated these findings and showed that BAS predisposed people to experience more positive events. Results demonstrate the value of distinguishing within-person and between-person effects to clarify the functionally independent processes by which dispositional sensitivities influence affect.     

A survey of referral activities of agencies serving adolescents

The referral activities of 373 agencies (38.4% of the sample originally polled) are presented with regard to health care, educational, and social services for teenagers residing in a midwestern metropolitan area. Approximately 66% of the responding agencies receive referrals from without and 87% make referrals to other organizations, with counseling and psychiatry, family planning, and general medical care being the most commonly sought services. Social service agencies had the highest volume of referrals and hospitals the lowest. The results of the survey are discussed in terms of the official recommendations made for coordinated services for teenagers, predicted cutbacks in preventive services, and the special needs of adolescents.     

A longitudinal evaluation of computer-assisted instruction on contraception for college students.

This study assessed changes in contraceptive knowledge of 58 white female undergraduate college students following use of a computer-assisted instruction (CAI) program on contraceptive methods. The CAI program consisted of a personal-computer-based instructional lesson covering facts about and appropriate use of oral contraceptives and barrier methods, and myths about sexuality and sexually transmitted diseases. Baseline contraceptive knowledge was first compared with 171 white female undergraduate students. This comparison indicated that, overall, there were knowledge deficits regarding the safety of oral contraceptives and what to do if oral contraceptives are not used correctly. At immediate posttest, significant knowledge gains were observed for danger signs associated with using oral contraceptives, the rationale for triphasic and biphasic pills, potential medication synergism, health benefits of using oral contraceptives, potential contraceptive effect of withdrawal, and the reasons women stop using the pill. At six-month follow-up, students evidenced long-term knowledge gains on duration of pill use, the rationale for triphasics and biphasics, appropriate contingencies for missing two days of the pill, danger signs associated with using contraceptives, medication synergism, and health benefits of using oral contraceptives. The results of the evaluation are considered in the context of the widely held assumption that young women's contraceptive failure is unrelated to knowledge deficits about methods of birth control.