The human first hypothesis: identification of conspecifics and individuation of objects in the young infant

How do infants individuate and track objects, and among them objects belonging to their species, when they can only rely on information about the properties of those objects? We propose the Human First Hypothesis (HFH), which posits that infants possess information about their conspecifics and use it to identify and count objects. F. Xu and S. Carey [Cognitive Psychology, 30(2), 111-153, 1996] argued that before the age of 1 year, infants fail to use property information. To explain their results, Xu and Carey proposed the Object First Hypothesis (OFH), according to which infants under 1 year of age have only the general concept of physical object to identify and count objects. We show that infants have a more extensive knowledge of sortals than that claimed by the OFH. When 10-month-olds see one humanlike and one non-humanlike object, they successfully identify and count them by using the contrast in their properties, as predicted by the HFH. We also show that infants succeed even when they make a decision based on differences between two close basic-level categories such as humanlike objects and doglike objects, but fail when they have to use differences within the human category. Thus, infants treat "human" as a basic sortal, as predicted by the HFH. We argue that our results cannot be accounted for by general purpose mechanisms. Neither the strong version of the OFH and its explanation in terms of object indexing mechanisms [A. M. Leslie, F. Xu, P. Tremoulet, & B. J. Scholl, Trends in Cognitive Sciences, 2(1), 10-18, 1998] nor explanations in terms of task demands [T. Wilcox & R. Baillargeon, Cognitive Psychology, 37(2), 97-155, 1998] are sufficient to explain our results.     

Measuring aggression: Self‐reports,partner reports,and responses to provoking scenarios

This paper describes three studies. The first is concerned with the relationship between the Aggression Questionnaire (AQ) and a peer‐report version of the AQ (AQ‐P). The results (from a sample of 77 men aged 19 to 55 years) showed agreement between the two versions, thus providing evidence for the congruent validity of the AQ‐P, and good internal consistency was shown for the subscales of the AQ and AQ‐P. The second study involved the development, piloting, and validation of a vignette‐based assessment of aggressive behavior, the Aggressive Provocation Questionnaire. The third concerned the use of the finalised Aggressive Provocation Questionnaire in a sample of 130 men (aged 17 to 54 years). The results show that prior self‐reported aggression (measured by the AQ) predicted responses to provoking scenarios. Younger men (< 28 years) showed an association between physical aggression and the aggressive action scale (of the Aggressive Provocation Questionnaire) in response to provoking scenarios. Older men (> 28 years) showed an association between physical aggression and the assertive action scale. The findings are discussed in relation to aggression measurement and changes in aggression with age. Aggr. Behav. 27:79–101, 2001. © 2001 Wiley‐Liss, Inc.     

La distribution du voisinage influence l'amorçage orthographique non masqué des mots écrits

The aim of the present research is to study whether orthographic neighbourhood distribution influences unmasked orthographic priming. Two word conditions were compared in the lexical decision task. All word targets had two higher frequency neighbours that were either spread across two letter positions (SINGE/linge-songe) or concentrated on a single letter position (RUCHE/riche-roche). Results showed an inhibitory effect of unmasked orthographic priming. Furthermore, this priming effect was influenced by the target neighbourhood distribution. Priming was only found when the word targets had two neighbours that were spread across two letter positions. These data are discussed within an interactive activation framework in terms of prime activation (Versace and Nevers, 2003).     

L'effet de l'hétérogénéité sémantique dans la détection de mots

The effects of three semantic factors (semantic priming of the target, semantic distance between the word-target and distractors, and semantic heterogeneity of the target context) on the detection of a word among other words were examined by using the classical paradigm of target detection (varying the number of distractors). Results showed that these three semantic factors affect performance: a target was better detected 1) when primed by its superordinate category than when it was defined as the “odd-one-out”; 2) when the semantic context was homogeneous than heterogeneous; and 3) when it was semantically unrelated to the context than semantically related. These results help specifying the cognitive processing of each word while searching for a word among others.     

认知年老化与执行衰退假说

在认知年老化领域,执行衰退假说是近年来新兴的一种理论。执行衰退假说在理论上具有很强的吸引力,但在实证研究中却存在很多困难,如执行功能的可分离性问题,执行功能测量的信度和效度问题,以及执行功能与加工速度的关系问题。目前,该领域研究的焦点是：在行为学水平上,控制一般性因素（加工速度）后,执行功能是否仍对认知年老化起重要的中介作用;在神经水平上,执行（额叶）功能随龄的变化情况,以及在认知年老化过程中,额叶在大脑功能重组中扮演的角色。最终实现对认知年老化的理解,需要将认知功能与大脑结构联系起来;既看到广泛存在的共同的基本机制,又不能忽略不同认知结构的选择性变化。     

基于事件的前瞻性记忆的年老化

采用类别判断任务作为正在进行任务,采用Einstein的研究范式探讨了前瞻性记忆是否随年龄的老化而出现年老化现象。结果表明,当前瞻性记忆任务和当前进行的任务要求的认知过程一致时,前瞻性记忆成绩不会随增龄下降;当前瞻性记忆任务和当前进行的任务要求的认知过程不一致时,前瞻性记忆出现了年老化现象;前瞻性记忆成绩和自由回忆成绩无显著相关     

汉语图片命名中获得年龄的作用

不同语种的研究都发现获得年龄是影响图片命名和词汇命名的重要因素。该研究对汉语图片命名中获得年龄的作用进行了初步探讨。研究分为两部分,第一部分让20名大学生对187幅选自Snodgrass和Vanderwart图片集的线条画的名称的获得年龄进行了评定;第二部分以该187幅图片为刺激,30名大学生被试对图片进行命名反应。以命名反应时为因变量,采用多重回归分析,发现除了名称一致性和概念熟悉性,获得年龄是图片命名反应时的主要预测指标,并没有发现词频的效应。文章对此结果进行了讨论。     

“心理阻抗”真的可以提升生育意愿吗？社会经济地位的调节作用

“恐生”这一话题受到广大网民的热议，针对该现象，国家出台了一系列鼓励生育政策，但我国的生育率依然持续下降，甚至面临“低生育率陷阱”的生育危机。为什么在国家出台“全面二胎”的鼓励生育政策之后，国民生育意愿却下降？本研究考察了生育年龄限制感对生育意愿的影响，以及社会经济地位在其中的边界条件。研究1通过两个子研究考察了生育年龄限制感与生育意愿的关系，其中研究1a对400名在职育龄个体进行问卷调查；研究1b对500名二孩育龄人群进行线上实验，启动被试二孩最佳生育年龄为40岁；研究2以100名硕士研究生为研究对象，使用实验操纵生育年龄限制感：最佳生育年龄为26岁（VS.对照组），并进一步探讨社会经济地位在生育年龄限制感与生育意愿之间的调节作用。结果发现：被试的实际年龄越接近自己认为的最佳生育年龄，其生育意愿越强烈；社会经济地位在生育年龄限制感和生育意愿间的调节作用显著。该研究丰富了心理学视角下生育意愿的文献，为提升育龄人群的生育意愿，提高我国的总和生育率、走出“低生育率陷阱”具有一定的理论价值与实践指导意义。     

L’âge subjectif en contexte de formation. Étude auprès d’une population estudiantine roumaine

Subjective age is a little-used variable in psychological research, in spite of being considered by numerous authors a more accurate indicator as compared to the chronological age. The current research aims to concentrate on the subjective age of the students while in their formation years and to identify the connections that it establishes with their chronological age and their subjective age in general. Two hundred and twenty-eight students from the university of Brasov, aged between 18 and 56 answered two questionnaires (the Romanian adaptation of the Staitz and McClay (1998) questionnaire and the adaptation of the same questionnaire to the context of academic formation). The questionnaires were separated by another one, administered for relaxation purposes. The results show that there exists a subjective age during the formation years, which is different from, but nonetheless correlated to the chronological age and to the subjective age in general. The results bring forward the impact of the context, in the given situation an academic one, on the age that one gives himself.