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101.
Colleen Hughes Kentaro Fujita Anne C. Krendl 《Journal of applied social psychology》2020,50(8):489-498
Although stigma is a major barrier to treatment for those with mental health concerns, it is poorly understood when stigma is more or less influential in mental health treatment decisions. In the current work, we examined whether psychological distance—the removal of an event from direct experience—reduced the influence of internalized stigma on willingness to seek treatment. Specifically, we tested the hypothesis that psychological distance versus proximity (e.g., seeking treatment in three months vs. in two days, respectively) decreases the negative influence of stigma on willingness to seek treatment. We focused on a population for whom mental health treatment decisions are personally-relevant: individuals who had previously sought mental health treatment. Experiment 1 showed that the extent to which these individuals internalized (i.e., personally endorsed) stigma about mental illness predicted lower intentions to make an appointment with a mental health care provider for themselves (but not another person). Experiment 2 replicated this result using a different measure of psychological distance (temporal distance) and extended this finding to behavior (time spent reading mental health resources). Overall, this research demonstrated that internalized stigma disrupts mental health treatment-seeking intentions and behaviors when they are psychologically proximal, but not when they are distant. Potential applications of these results are discussed. 相似文献
102.
Kazuo Fujita 《Animal cognition》2009,12(4):575-585
Whereas evidence for metacognition by nonhuman primates has been obtained in great apes and old world monkeys, it is weaker
in new world monkeys. For instance, capuchin monkeys may fail to recognize their own knowledge of the location of invisible
bait. In the present study, we tested whether tufted capuchin monkeys would flexibly change their behavior in a delayed matching-to-sample
(DMTS) test depending upon the strength of their memory trace of the sample. In Experiment 1, two monkeys were tested on a
modified 9-alternative DMTS task with various delays on a computerized display. In some trials, the monkeys could choose whether
to go for a memory test or for a simple key touch as an escape from the test. In other trials, they were forced to go for
the memory test. Both monkeys escaped from the memory test more often when their matching accuracy on forced tests was lower.
In one of the monkeys, the matching accuracies on chosen memory tests decreased more slowly as a function of delay length,
and were higher after long delays than those on forced memory tests. This suggests that at least one capuchin monkey was able
to recognize the strength of his own memory trace. Experiment 2 employed occasional no-sample tests, in which the monkeys
faced the task choice without presentation of any sample for the trial. The monkey who was successful in Experiment 1 declined
the memory test more often in no-sample trials than regular trials, further indicating metamemory in this individual. In Experiment
3, this successful monkey received a task, in which he was sometimes able to choose between shape MTS or texture MTS tasks.
However, his matching accuracies did not differ between chosen tasks and forced tasks. Thus, the metamemory possessed by this
new world monkey species may be more like a flag, showing strength of memory trace, than an elaborate representation showing
details of the memory trace. 相似文献
103.
Kaeko Yokota Hirokazu Iwami Kazumi Watanabe Goro Fujita Shoichi Watanabe 《Journal of Investigative Psychology & Offender Profiling》2004,1(2):139-151
Hostage taking incidents in which the police besiege a particular location are known as hostage barricade incidents. The first aim of the present article was to examine the process of risk assessment in hostage incidents, using a group of police officers as the sample. The second aim was to identify the risk factors involved in hostage incidents and examine the degree of concordance between the risk as assessed by the police officers and the figures obtained from the analysis of actual hostage barricade incidents. For the purpose of this study, a survey was carried out across Japan, and 45 police officers responsible for hostage negotiation responded to the questionnaires. Additionally, a sample of 116 actual hostage barricade incidents that occurred in Japan from 1970 to 2002 was utilised to examine the high risk factors involved in such cases. As per the results, a majority of the police officers (73.3%), in response to an open‐ended question, indicated that the highly excited state of the hostage takers was dangerous for the hostages. Moreover, it was demonstrated in all 116 incidents that several factors such as ‘a long siege’ tended to increase the risk of deaths, though this was very rare (n = 4). On the other hand, the proportion of injuries to the hostages was high in expressive situations such as domestic situations or suicide attempt scenarios. On the whole, the results obtained from the analyses of actual incidents were consistent with those obtained from the police officers' risk assessment in many respects. However, the correlation between the degree of risk as assessed by the police officers and the actual rate of deaths/injuries to the hostages was very low. Copyright © 2004 John Wiley & Sons, Ltd. 相似文献
104.
James R. Anderson Hika Kuroshima Kazuo Fujita 《Quarterly journal of experimental psychology (2006)》2017,70(7):1254-1262
Young human children have been shown to learn less effectively from video or televised images than from real-life demonstrations. Although nonhuman primates respond to and can learn from video images, there is a lack of direct comparisons of task acquisition from video and live demonstrations. To address this gap in knowledge, we presented capuchin monkeys with video clips of a human demonstrator explicitly hiding food under one of two containers. The clips were presented at normal, faster than normal, or slower than normal speed, and then the monkeys were allowed to choose between the real containers. Even after 55 sessions and hundreds of video demonstration trials the monkeys’ performances indicated no mastery of the task, and there was no effect of video speed. When given live demonstrations of the hiding act, the monkeys’ performances were vastly improved. Upon subsequent return to video demonstrations, performances declined to pre-live-demonstration levels, but this time with evidence for an advantage of fast video demonstrations. Demonstration action speed may be one aspect of images that influence nonhuman primates’ ability to learn from video images, an ability that in monkeys, as in young children, appears limited compared to learning from live models. 相似文献
105.
Abstract: In Experiment 1, 8‐month‐old infants were first habituated to the event in which a moving object collided with another behind an occluder, then they were shown the two test events with no occluder: the contact event, in which the two objects actually collided, and the non‐contact event, in which the second object started to move without contact with the first. The infants looked at both events for an equal amount of time. In Experiment 2, in which the first object was a human actor, however, infants looked at the non‐contact event reliably longer than the contact event. In Experiment 3, in which both objects were human actors stood face‐to‐back, infants looked at the non‐contact event longer, whereas in Experiment 4, in which human actors faced toward each other, infants looked at both events equally. In Experiment 5, in which the first actor told the second to go, 10‐month‐old infants looked at both events for an equal amount of time. These results suggest that 8‐ and 10‐month‐old infants appreciate different causal principles between objects and humans, and that, in doing this, they may acknowledge the possibility of communication between humans. 相似文献
106.
Learning from others’ mistakes in capuchin monkeys (<Emphasis Type="Italic">Cebus apella</Emphasis>)
We investigated whether tufted capuchin monkeys (Cebus apella) learn from others' mistakes. We prepared three kinds of transparent containers having the same appearance: one that could be opened by the lid, one that could be opened from the bottom, and one that could be opened either way. Using each of the first two one-way-open type containers, the monkeys were trained to copy the human demonstrator's action to open the container and obtain a piece of sweet potato contained therein. After this training, the demonstrator showed the monkeys an action that would open or fail to open the third, two-way-open type container. None of the monkeys reliably opened the container by spontaneously compensating for the demonstrator's failure (Experiment 1). In Experiment 2, the same subjects were trained to correct their own mistakes immediately after failure, before we introduced the same test as in Experiment 1. This experience did not result in subjects using the demonstrator's failure to produce a successful action. In Experiment 3, we placed two monkeys face to face. In this situation, the second monkey was presented with the container after the first monkey failed to open it. As a result, two capuchin monkeys capitalized on the partner's failure to correctly guide his/her behavior. Thus, the monkeys monitored not only the outcome of the others' action, but also that action per se. This result suggests that not only humans and apes, but also monkeys may understand the meaning of others' actions in social learning. 相似文献
107.
108.
Although pigeons have been shown to be susceptible to several size and length illusions, other avian species have not been tested intensively for illusory perception. Here we report how bantams perceive the Zöllner figure, in which parallel lines look nonparallel due to short crosshatches superimposed on the lines. Watanabe et al. (Cognition 119:137–141, 2011) showed that pigeons, like humans, perceived parallel lines as nonparallel but that the orientation of subjective convergence was opposite to that of humans. We trained three bantams to peck at the narrower (or wider) of the two gaps at the end of a pair of nonparallel lines. After adapting them to target lines with randomly oriented crosshatches (which result in no apparent illusion to humans), we tested the bantams’ responses on randomly inserted probe trials, in which crosshatches that should induce the standard Zöllner-like illusion for humans replaced the randomly oriented ones. The results suggested bantams, like pigeons, perceive a reversed Zöllner illusion. 相似文献
109.
Mizoguchi N Fujita S Koshikawa N Kobayashi M 《Neurobiology of learning and memory》2011,96(3):468-478
Long-term potentiation (LTP) of the gustatory cortex (GC), a part of the insular cortex (IC) around the middle cerebral artery, is a key process of gustatory learning and memory, including conditioned taste aversion learning. The rostral (rGC) and caudal GC (cGC) process different tastes; the rGC responds to hedonic and the cGC responds to aversive tastes. However, plastic changes of spatial interaction of excitatory propagation between the rGC and cGC remain unknown. The present study aimed to elucidate spatiotemporal profiles of excitatory propagation, induced by electrical stimulation (five train pulses) of the rGC/cGC before and after LTP induction, using in vivo optical imaging with a voltage-sensitive dye. We demonstrated that tetanic stimulation of the cGC induced long-lasting expansion of the excitation responding to five train stimulation of the cGC, and an increase in amplitude of optical signals in the IC. Excitatory propagation after LTP induction spread preferentially toward the rostral IC: the length constant (λ) of excitation, obtained by fitting optical signals with a monoexponential curve, was increased to 121.9% in the rostral direction, whereas λ for the caudal, dorsal, and ventral directions were 48.9%, 44.2%, and 62.5%, respectively. LTP induction was prevented by pre-application of D-APV, an NMDA receptor antagonist, or atropine, a muscarinic receptor antagonist, to the cortical surface. In contrast, rGC stimulation induced only slight LTP without direction preference. Considering the different roles of the rGC and cGC in gustatory processing, these characteristic patterns of LTP in the GC may be involved in a mechanism underlying conversion of palatability. 相似文献
110.
Our society is sustained by wide-ranging cooperation. If individuals are sensitive to others’ gains and losses as well as
the amount of labor, they can ensure future beneficial cooperative interaction. However, it is still an open question whether
nonhuman primates are sensitive to others’ labor. We asked this question in tufted capuchin monkeys in an experimental food-sharing
situation by comparing conditions with labor by two participants equalized (Equal labor condition) or unequalized (Unequal
labor condition). The operator monkey pulled the drawer of one of the two food containers placed between two monkeys, each
containing a food for him/herself and another for the recipient monkey. The recipient received either high- or low-value food
depending on the operator’s choice, whereas the operator obtained the same food regardless of his/her choice. In Unequal labor
condition, the operator first had to pull the handle of the board to which the containers were glued and then pull the drawer
of one of the containers, while the recipient received food with no labor. In Equal labor condition, the recipient had to
pull the handle of the board so that the operator could operate a container. Results showed that operators chose the high-value
food container for recipients more often than when the recipient was absent only in Equal labor condition. This suggests that
capuchin monkeys are sensitive to others’ labor and actively give food to a partner who has helped them to complete a task. 相似文献