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121.
Automated Measurement of Mouse Freezing Behavior and its Use for Quantitative Trait Locus Analysis of Contextual Fear Conditioning in (BALB/cJ × C57BL/6J)F2 Mice 下载免费PDF全文
Vernica S. Valentinuzzi Daniel E. Kolker Martha Hotz Vitaterna Kazuhiro Shimomura Andrew Whiteley Sharon Low-Zeddies Fred W. Turek Elenice A.M. Ferrari Richard Paylor Joseph S. Takahashi 《Learning & memory (Cold Spring Harbor, N.Y.)》1998,5(4):391-403
The most commonly measured mouse behavior in fear conditioning tests is freezing. A technical limitation, particularly for genetic studies, is the method of direct observation used for quantifying this response, with the potential for bias or inconsistencies. We report the use of a computerized method based on latency between photobeam interruption measures as a reliable scoring criterion in mice. The different computer measures obtained during contextual fear conditioning tests showed high correlations with hand-scored freezing; r values ranged from 0.87 to 0.94. Previously reported strain differences between C57BL/6J and DBA/2J in context-dependent fear conditioning were also detected by the computer-based system. In addition, the use of computer-scored freezing of 199 (BALB/cJ×C57BL/6J)F2 mice enabled us to detect a suggestive gender-dependent chromosomal locus for contextual fear conditioning on distal chromosome 8 by QTL analysis. Automation of freeze scoring would significantly increase efficiency and reliability of this learning and memory test. 相似文献
122.
123.
Alberto Ferrari 《Multivariate behavioral research》2017,52(2):259-270
Shannon entropy is being increasingly used in biomedical research as an index of complexity and information content in sequences of symbols, e.g. languages, amino acid sequences, DNA methylation patterns and animal vocalizations. Yet, distributional properties of information entropy as a random variable have seldom been the object of study, leading to researchers mainly using linear models or simulation-based analytical approach to assess differences in information content, when entropy is measured repeatedly in different experimental conditions. Here a method to perform inference on entropy in such conditions is proposed. Building on results coming from studies in the field of Bayesian entropy estimation, a symmetric Dirichlet-multinomial regression model, able to deal efficiently with the issue of mean entropy estimation, is formulated. Through a simulation study the model is shown to outperform linear modeling in a vast range of scenarios and to have promising statistical properties. As a practical example, the method is applied to a data set coming from a real experiment on animal communication. 相似文献
124.
Joseph R. Ferrari 《Pastoral Psychology》2017,66(2):225-237
Through a national survey, Roman Catholic deacons (n = 1349) and men in spiritual formation for the diaconate, called candidates (n = 205), completed on-line measures of personality dimensions (i.e., HEXACO-60) and transformational leadership, as well as demographic variables. Results indicated that for both candidates and deacons, personality dimensions of agreeableness and conscientiousness were the most important variables for predicting transformational leadership styles. For deacons only, higher levels of honesty/humility, extraversion, and openness to experience also led to higher transformational leadership styles. Adding demographic variables as co-variates (age, years in a parish, number of children, and number of families in a parish) in the models did not seem to affect the predictive models; however, years in formation (for candidates) and years as a deacon did affect servant leadership style. Implications for the personality and leadership attributes of Catholic “married clergy” are discussed. 相似文献
125.
Hector Ferrari 《The International journal of psycho-analysis》2009,90(5):1139-1154
The history of the last century shows the almost constant presence of psychoanalysis in the academic setting and, simultaneously, the incredible absence of analytic training at the universities. This paper outlines the project of the Buenos Aires Psychoanalytic Association (APdeBA) to create a higher education institution of its own (IUSAM) specifically aimed at lodging psychoanalytic training within a university setting. The project was approved by the Argentine educational authorities in 2005 and received the economic support of the International Psychoanalytical Association (IPA). The academic structure of the university is described, whose goal is broadened to the interdisciplinary field of mental health with psychoanalysis as an integrating axis. Some of the characteristics of the traditional 'university model' as well as its relationship with psychoanalysis are pointed out. With the IUSAM, psychoanalytic training is not included as a part of an already established university, it rather creates a new one, with the support of a well-known psychoanalytical association (APdeBA) which endorses its activities and guarantees its identity. IPA's requirements for analytic training (didactic analysis, supervisions and seminars) have been fully preserved in this new context. Finally, some of the advantages and disadvantages of including analytic training into an academic environment are listed . 相似文献
126.
The present study compared chronic procrastination tendencies claimed by “whitecollar” working adults (n = 141) with rates reported by Harriott and Ferrari ( 1996) of “blue-collar” working adults (n - 211). Participants completed reliable and valid measures of everyday procrastination tendencies (decisional, arousal, and
avoidant), and socio-demographic items at one of several public forums. Results showed no significant difference between classes
of working adults on age, gender, marital status, or the number of children, although “white-collar” workers claimed higher
levels of education than “blue-collar” workers. “White-collar” workers also reported significantly higher scores on all three
forms of chronic procrastination than “blue-collar” workers. It seems that professional employees report procrastination more
frequently than unskilled workers. Further research is needed to explore the causes and consequences associated with differences
in chronic procrastination by occupational group. 相似文献
127.
The authors examined how time orientation and morningness-eveningness relate to 2 forms of procrastination: indecision and avoidant forms. Participants were 509 adults (M age = 49.78 years, SD = 6.14) who completed measures of time orientation, morningness-eveningness, decisional procrastination (i.e., indecision), and avoidant procrastination. Results showed that morningness was negatively related to avoidant procrastination but not decisional procrastination. Overall, the results indicated different temporal profiles for indecision and avoidant procrastinations. Avoidant procrastination related to low future time orientation and low morningness, whereas indecision related to both (a) high negative and high positive past orientations and (b) low present-hedonistic and low future time orientations. The authors inferred that distinct forms of procrastination seem different on the basis of dimensions of time. 相似文献
128.
Chao S. Hu Jinhao Huang Michel Ferrari Qiandong Wang Dong Xie Haotian Zhang 《International journal of psychology》2019,54(6):791-799
Scholars within the Berlin paradigm have analysed participants' responses to a hypothetical vignette about a friend's suicide ideation. However, no study has yet focused on participants' emotional reactions to this scenario, an important aspect of wisdom performance. We conducted a Thin‐Slice Wisdom study where participants were asked to give advice to a hypothetical friend contemplating suicide. We analysed their emotional profiles using facial expression analysis software (FACET2.1 and FACEREADER7.1). Participants' verbal responses were also transcribed and then scored by 10 raters using the Berlin criteria. Results revealed that the sadder the participants felt, the wiser their performance. Wiser participants may have been better at exploring this sad, but true, existential human dilemma. 相似文献
129.
The phonological processing and memory skills of 12- and 13-year-old Italian children with difficulty in learning English as a foreign language (foreign language learning difficulty, FLLD) were examined and compared with those of a control group matched for age and nonverbal intelligence. Three experiments were conducted. A dissociation between verbal and visuo-spatial working memory was observed when compared to the control group; children with FLLD showed a poorer performance in a phonological working memory task but performed to a comparable level in a visuo-spatial working memory task (Experiment 1). In Experiment 2 the word length and the response modality of an auditory word span task were manipulated in order to examine the efficiency of the phonological loop and the relevance of the spoken output. The FLLD group did not show sensitivity to the word length effect and showed no advantage in the picture pointing recall condition. In Experiment 3 children with FLLD were shown to be sensitive to phonological similarity but again they showed neither a word length effect nor a slower articulation speed. Furthermore, in all three experiments children with FLLD were shown to be less efficient in phonological sensitivity tasks and this deficit appeared to be independent of the phonological memory problem. All three experiments consistently showed that children with FLLD have an impairment in phonological memory and phonological processing, which appear to be independent from one other but both contribute to the children's difficulty in learning a second language. 相似文献
130.
Two samples of university students completed self-report measures of chronic procrastination and either self-concept variables (Sample 1, n = 233) or self-presentational styles (Sample 2, n = 210). Results indicated that procrastination was significantly related to a self-concept of oneself as dominated by issues related to task performance, and to self-presentation strategies that reflected a person as continually justifying and excusing task delays and being "needy" of others' approval. It seems that men and women procrastinate in order to improve their social standing by making their accomplishments seem greater than they really are. 相似文献