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151.
This article introduces the software program called EthoSeq, which is designed to extract probabilistic behavioral sequences
(tree-generated sequences, or TGSs) from observational data and to prepare a TGS-species matrix for phylogenetic analysis.
The program uses Graph Theory algorithms to automatically detect behavioral patterns within the observational sessions. It
includes filtering tools to adjust the search procedure to user-specified statistical needs. Preliminary analyses of data
sets, such as grooming sequences in birds and foraging tactics in spiders, uncover a large number of TGSs which together yield
single phylogenetic trees. An example of the use of the program is our analysis of felid grooming sequences, in which we have
obtained 1,386 felid grooming TGSs for seven species, resulting in a single phylogeny. These results show that behavior is
definitely useful in phylogenetic analysis. EthoSeq simplifies and automates such analyses, uncovers much of the hidden patterns
of long behavioral sequences, and prepares this data for further analysis with standard phylogenetic programs. We hope it
will encourage many empirical studies on the evolution of behavior. 相似文献
152.
Rafael Aleixandre-Benavent Gregorio González-Alcaide Alberto Miguel-Dasit Carolina Navarro-Molina Juan Carlos Valderrama-Zurián 《Cognitive processing》2006,7(1):65-65
Call for Papers
Third International Conference on Spatial Cognition: “Dynamics in Spatial Interactions”. Rome - Perugia, Italy: September 12th–15th 2006. www.icsc2006.org - committee@icsc2006.org 相似文献153.
In three experiments, we assessed the effects of type of relation and memory test on retrieval-induced forgetting of facts. In Experiments 1 and 2, eight sets of four shared-subject sentences were presented for study. They were constructed so that half were thematically related and half were unrelated. A retrieval practice phase required participants to recall a subset of the studied sentences. In the final test, the participants were prompted to recall all the sentences (character cued in Experiment 1 and character plus stem cued in Experiment 2). The results showed that the retrieval-induced forgetting (RIF) effect was similar for thematically related and unrelated sentences, indicating that the presence of episodic relations among the sentences was sufficient to produce the effect. In Experiment 3, a recognition task was introduced and the RIF effect emerged in accuracy as well as in latency measures. The presence of this effect with item-specific cues is difficult to accommodate for noninhibitory theories of retrieval. 相似文献
154.
155.
Both the speed and accuracy of responding are important measures of performance. A well-known interpretive difficulty is that
participants may differ in their strategy, trading speed for accuracy, with no change in underlying competence. Another difficulty
arises when participants respond slowly and inaccurately (rather than quickly but inaccurately), e.g., due to a lapse of attention.
We introduce an approach that combines response time and accuracy information and addresses both situations. The modeling
framework assumes two latent competing processes. The first, the error-free process, always produces correct responses. The
second, the guessing process, results in all observed errors and some of the correct responses (but does so via non-specific
processes, e.g., guessing in compliance with instructions to respond on each trial). Inferential summaries of the speed of
the error-free process provide a principled assessment of cognitive performance reducing the influences of both fast and slow
guesses. Likelihood analysis is discussed for the basic model and extensions. The approach is applied to a data set on response
times in a working memory test.
The authors wish to thank Roger Ratcliff, Christopher Chabris, and three anonymous referees for their helpful comments, and
Aureliu Lavric for providing the data analyzed in this paper. 相似文献
156.
157.
The relations of problem behavior status to children's negative emotionality, effortful control, and impulsivity: concurrent relations and prediction of change 总被引:12,自引:0,他引:12
Eisenberg N Sadovsky A Spinrad TL Fabes RA Losoya SH Valiente C Reiser M Cumberland A Shepard SA 《Developmental psychology》2005,41(1):193-211
The relations of children's internalizing and externalizing problem behaviors to their concurrent regulation, impulsivity (reactive undercontrol), anger, sadness, and fearfulness and these aspects of functioning 2 years prior were examined. Parents and teachers completed measures of children's (N = 185; ages 6 through 9 years) adjustment, negative emotionality, regulation, and behavior control; behavioral measures of regulation also were obtained. In general, both internalizing and externalizing problems were associated with negative emotionality. Externalizers were low in effortful regulation and high in impulsivity, whereas internalizers, compared with nondisordered children, were low in impulsivity but not effortful control. Moreover, indices of negative emotionality, regulation, and impulsivity with the level of the same variables 2 years before controlled predicted stability versus change in problem behavior status. 相似文献
158.
159.
Battle CL Shea MT Johnson DM Yen S Zlotnick C Zanarini MC Sanislow CA Skodol AE Gunderson JG Grilo CM McGlashan TH Morey LC 《Journal of personality disorders》2004,18(2):193-211
Adverse childhood experiences such as abuse and neglect are frequently implicated in the development of personality disorders (PDs); however, research on the childhood histories of most PD groups remains limited. In this multisite investigation, we assessed self-reported history of abuse and neglect experiences among 600 patients diagnosed with either a PD (borderline, schizotypal, avoidant, or obsessive-compulsive) or major depressive disorder without PD. Results indicate that rates of childhood maltreatment among individuals with PDs are generally high (73% reporting abuse; 82% reporting neglect). As expected, borderline PD was more consistently associated with childhood abuse and neglect than other PD diagnoses. However, even when controlling for the effect of borderline PD, other PD diagnoses were associated with specific types of maltreatment. 相似文献
160.
Yen S Shea MT Pagano M Sanislow CA Grilo CM McGlashan TH Skodol AE Bender DS Zanarini MC Gunderson JG Morey LC 《Journal of abnormal psychology》2003,112(3):375-381
This study examined diagnostic predictors of prospectively observed suicide attempts in a personality disorder (PD) sample. During 2 years of follow-up, 58 participants (9%) reported at least 1 definitive suicide attempt. Predictors that were examined include 4 PD diagnoses and selected Axis I diagnoses (baseline and course). Multivariate logistic regression analyses indicated that baseline borderline personality disorder (BPD) and drug use disorders significantly predicted prospective suicide attempts. Controlling for baseline BPD diagnosis, proportional hazards analyses showed that worsening in the course of major depressive disorder (MDD) and of substance use disorders in the month preceding the attempt were also significant predictors. Therefore, among individuals diagnosed with PDs. exacerbation of Axis I conditions, particularly MDD and substance use, heightens risk for a suicide attempt. 相似文献