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861.
The psychological assessment of visually impaired people (blind or partially sighted) confronts the psychologist with methodological constraints regarding the choice of assessment tools. Both critical judgement and an extensive psychometric knowledge are necessary. The objective of this article is to present the results of a study in which the existing tools in this field are identified. The results of this study bring to light the shortage of tools and methods of investigation specifically designed to assess the different psychological facets (affective, cognitive or conative) of visual impairment. We will then examine the methodological and psychometric issues specifically related to assessment in the field of visual impairment. Although some tools have psychometric qualities for the assessment of blind and visually impaired people (Miller & Skillman, 2003; Reid, 1997), we note that the limits of some tests are often overlooked or ignored (Reid, 1997; Tobin, 1994; Tobin & Hill, 2011). Questions relating to the use, adaptation and translation of foreign language tools are examined. In order to illustrate these points, we present some practices used by psychologists which highlight the limits of currently existing tools for the assessment of the psychological, in particular, the cognitive facet, and in addition provide some recommendations for assessment. 相似文献
862.
《Scandinavian journal of psychology》2018,59(5):511-517
Previous reports have found increased error rate for children with attention‐deficit/hyperactivity disorder (ADHD ) on response time (RT ) computer tasks. Here we attempt the conceptual replication and extension of two studies that examined error rate in a general population of children (N = 203). Study 1 followed Johnstone and Galletta but considered associations between scores on a dimensional measure of ADHD symptoms (rather than comparing those with or without an ADHD diagnosis) and the frequency of commission and omission errors. Study 2 followed Shiels, Tamm & Epstein and examined post‐error adjustment in the same group of children as for Study 1. Study 1 did not replicate previous findings of no increase in errors of commission in those with higher ADHD symptoms (Johnstone & Galletta). Instead, we found that younger children with lower ADHD symptoms were more likely to make commission errors, while omission errors did not vary with age. Study 2 replicated the previous finding of less RT slowing in children with more ADHD symptoms, extending this finding to a general population of children. Namely, as ADHD symptoms increase, RT slowing is less likely, putting children with higher ADHD symptoms at risk of additional errors. Overall, we extend previous ADHD research to typically developing children with ADHD symptoms. 相似文献
863.
In this study, we designed a visual short‐term priming paradigm to investigate the mechanisms underlying the priming of movements and to probe movement representations in motor experts and matched controls. We employed static visual stimuli that implied or not human whole‐body movements, that is, gymnastics movements and static positions. Twelve elite female gymnasts and twelve matched controls performed a speeded two‐choice response time task. The participants were presented with congruent and incongruent prime‐target pairs and had to decide whether the target stimulus represented a gymnastics movement or a static position. First, a visual priming effect was observed in the two groups. Second, a stimulus–response rote association could not easily account for our results. Novel primes never presented as targets could also prime the targets. Third, by manipulating three levels of prime‐target relations in moving congruent pairs, we demonstrated that the more similar prime‐target pairs, the greater the facilitation in target. Lastly, gymnastics motor expertise impacted on priming effects. 相似文献
864.
Yoshiyuki Ueda Lei Chen Jonathon Kopecky Emily S. Cramer Ronald A. Rensink David E. Meyer Shinobu Kitayama Jun Saiki 《Cognitive Science》2018,42(1):286-310
While some studies suggest cultural differences in visual processing, others do not, possibly because the complexity of their tasks draws upon high‐level factors that could obscure such effects. To control for this, we examined cultural differences in visual search for geometric figures, a relatively simple task for which the underlying mechanisms are reasonably well known. We replicated earlier results showing that North Americans had a reliable search asymmetry for line length: Search for long among short lines was faster than vice versa. In contrast, Japanese participants showed no asymmetry. This difference did not appear to be affected by stimulus density. Other kinds of stimuli resulted in other patterns of asymmetry differences, suggesting that these are not due to factors such as analytic/holistic processing but are based instead on the target‐detection process. In particular, our results indicate that at least some cultural differences reflect different ways of processing early‐level features, possibly in response to environmental factors. 相似文献
865.
Johannes W. J. Beentjes Erik de Koning Frank Huysmans 《Journal of applied developmental psychology》2001,22(6)
A review of previous studies on children's comprehension of visual formal features did not warrant predictions about children's understanding of the formal features as used in three items from Sesamstraat, the Dutch version of Sesame Street. Therefore, a study was designed in which 45 children in the age range of 4–6 years watched the items and were interviewed. In the first item, a split screen was used to visualize simultaneity of actions. The second item used a subjective camera to suggest the construction of a home video by one of the characters. Version 1 of this item did not show the character while making home video, whereas Version 2 did show the character while filming. The third item contained a dissolve (Version 1) or a cut (Version 2) to indicate the end of a dream. A general conclusion was that although older children (mean AGE=5.9 years) understood the visual formal features better than younger children (mean AGE=4.4 years), the extent to which children in both age groups understood the visual formal features appeared to vary between items and versions. Most children in both age groups understood the split screen in the first item. The younger age group did not understand the subjective camera if the making of the home video was not shown. Both the younger and the older age group understood the version with the cut better than the original version with the dissolve. In the discussion, the question was addressed what the findings of this study and previous studies teach us about children's understanding of visual formal features in general. 相似文献
866.
Shigeru Watanabe 《Animal cognition》2001,4(3-4):147-151
The author has previously reported that pigeons can discriminate paintings by different artists. Here, I replicated the
previous findings, carried out additional tests and compared discrimination by pigeons with that of humans. In Experiment
1, pigeons were trained to discriminate between paintings by Van Gogh and Chagall. After training, the subjects were tested
with different paintings by the same artists. The subjects showed generalization to these paintings. The subjects maintained
their discriminative ability for black-and-white paintings and partially occluded paintings. When they were tested with mosaic
paintings, the number of correct responses decreased, depending on the level of processing needed. In Experiment 2, human
subjects were tested with the same paintings. The subjects showed generalization and decrement of correct responses depending
on the degree of mosaic processing. These observations suggest that the visual cognitive function of pigeons is comparable
to that of humans. The convergence of higher visual cognition between the two species may stem from similar selection pressures
on avian ancestors and our ancestors through their evolution.
Accepted after revision: 19 August 2001
Electronic Publication 相似文献
867.
Mark D. Vida 《Journal of experimental child psychology》2009,104(3):326-345
This investigation used adaptation aftereffects to examine developmental changes in the perception of facial expressions. Previous studies have shown that adults’ perceptions of ambiguous facial expressions are biased following adaptation to intense expressions. These expression aftereffects are strong when the adapting and probe expressions share the same facial identity but are mitigated when they are posed by different identities. We extended these findings by comparing expression aftereffects and categorical boundaries in adults versus 5- to 9-year-olds (n = 20/group). Children displayed adult-like aftereffects and categorical boundaries for happy/sad by 7 years of age and for fear/anger by 9 years of age. These findings suggest that both children and adults perceive expressions according to malleable dimensions in which representations of facial expression are partially integrated with facial identity. 相似文献
868.
Kathy R. Berenson Anett Gyurak
zlem Ayduk Geraldine Downey Matthew J. Garner Karin Mogg Brendan P. Bradley Daniel S. Pine 《Journal of research in personality》2009,43(6):1064-1072
Two studies tested the hypothesis that Rejection Sensitivity (RS) increases vulnerability to disruption of attention by social threat cues, as would be consistent with prior evidence that it motivates individuals to prioritize detecting and managing potential rejection at a cost to other personal and interpersonal goals. In Study 1, RS predicted disruption of ongoing goal-directed attention by social threat but not negative words in an Emotional Stroop task. In Study 2, RS predicted attentional avoidance of threatening but not pleasant faces in a Visual Probe task. Threat-avoidant attention was also associated with features of borderline personality disorder. This research extends understanding of processes by which RS contributes to a self-perpetuating cycle of interpersonal problems and distress. 相似文献
869.
Lange K 《Brain and cognition》2009,69(1):127-137
The present study investigated how auditory processing is modulated by expectations for time and pitch by analyzing reaction times and event-related potentials (ERPs). In two experiments, tone sequences were presented to the participants, who had to discriminate whether the last tone of the sequence contained a short gap or was continuous (Experiment 1: go/nogo, Experiment 2: choice reaction). Expectations were induced by varying the temporal and pitch regularity of the sequence. Results were consistent across both experiments. Expectations for both time and pitch were associated with faster responding. Both temporal and pitch expectations led to an attenuation of the auditory N1, thus indicating a modulation of early, perceptual processing by temporal and pitch expectations. Effects of temporal expectations were also evident in a P300-like deflection, suggesting that temporal expectations also affect decision- or response-related processing stages. 相似文献
870.
A recent meta-analysis by Munafò, Durrant, Lewis, and Flint (2009) [Munafò, M. R., Durrant, C., Lewis, G., & Flint, J. (2009). Gene × environment interactions at the serotonin transporter locus. Biological Psychiatry, 65, 211–219] questioned the meaning of studies searching for endophenotypes associated with the serotonin-transporter-linked promoter region (5-HTTLPR) polymorphism, including our study on visual perspective during autobiographical memory retrieval. However, the association of 3rd person perspective with vulnerability for depression does not rely only on genetics. External consistency is provided by the influence of the 5-HTTLPR polymorphism on brain regions involved in emotion regulation and autobiographical memory retrieval (e.g. the medial prefrontal cortex). Internal consistency is provided by the increased prevalence of 3rd person perspective in both currently and previously depressed patients, as well as in depression-prone individuals. Further studies should examine therapeutic opportunities. 相似文献