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131.
JOHN DILWORTH 《Theoria》2006,72(4):299-318
Abstract: What is the relation between a perceptual experience of an object X as being red, and one's belief, if any, as to the nature of that experience? A traditional Cartesian view would be that, if indeed object X does seem to be red to oneself, then one's resulting introspective belief about it could only be a conforming belief, i.e., a belief that X perceptually seems to be red to oneself‐ rather than, for instance, a belief that X perceptually seems to be green to oneself instead. I offer some non‐Cartesian, functionalist reasons supporting such an introspective certainty view, based on a concept of logical consonance of perceptual dispositions, according to which both experience‐based and belief dispositions cannot diverge in their content, on pain of their having inconsistent manifestations in relevant situations, such as color‐sorting tasks. In addition, other views of introspection are criticized from the perspective of this consonance view. 相似文献
132.
Abstract: Singleton targets that differ from distractors in a single salient attribute can be discerned regardless of the number of items in the display. Recent studies have indicated that the perception of singleton targets is facilitated by an attentional control setting. We focused on the voluntary aspect of the attentional control setting. Psychophysical and functional magnetic resonance imaging (fMRI) experiments examined the temporal characteristics of the attentional control setting by using an auditory cue. In both experiments, an auditorily cued feature‐search task was used. The cue validity (valid vs. neutral) and the cue lead time (CLT) were varied. In the psychophysical experiment, we established the effect of a symbolic cue on detection of a singleton. When the CLT was short or the cue was neutral, there was no facilitation, as re?ected by the slow activation of the attentional control setting. In our fMRI experiment, the brain activity indicates that this detection task activated the prefrontal cortex. These results demonstrate that the attentional control setting for facilitation of the singleton‐target perception modulates activity in regions of the prefrontal cortex. 相似文献
133.
The function of perseverative speech for an adult man who had been diagnosed with autism and mental retardation was examined. Results showed that verbal perseverations were maintained by social attention. An intervention consisting of differential reinforcement of appropriate verbal responses and extinction of perseverative verbal responding was effective in decreasing verbal perseverations. 相似文献
134.
Kurtz PF Chin MD Huete JM Tarbox RS O'Connor JT Paclawskyj TR Rush KS 《Journal of applied behavior analysis》2003,36(2):205-219
The assessment and treatment of self-injurious behavior (SIB) has received much attention in the literature; however, few studies have focused on early intervention for this behavior. In the current study, functional analyses with developmentally appropriate modifications were conducted in an outpatient clinic with 30 children (aged 10 months to 4 years 11 months) to assess SIB and problem behavior in its early stages. The reported mean age of SIB onset was 17 months, and head banging was the most prevalent topography. Functional analyses identified sources of reinforcement for SIB in 62.1% of cases; with the inclusion of all forms of problem behavior, sources of reinforcement were identified for 87.5% of cases. Function-based treatments were developed for 24 cases, with functional communication training prescribed most often (70.8% of cases). Implications of these findings for the development of early intervention programs for SIB are discussed. 相似文献
135.
The effects of signaling the return of items or attention during treatment with noncontingent reinforcement were examined. First, functional analyses showed that the problem behavior exhibited by 2 teenagers with developmental disabilities was sensitive to social positive reinforcement. Next, delivery of the stimulus that maintained problem behavior on a fixed-time (FT) schedule was compared to a condition in which the removal of the stimulus during the same FT schedule was immediately preceded by a statement indicating that the stimulus would be returned and the initiation of a digital timer. Results show that the FT schedule reduced problem behavior, and the addition of an informative statement and a timer further decreased problem behavior. 相似文献
136.
Berg WK Wacker DP Cigrand K Merkle S Wade J Henry K Wang YC 《Journal of applied behavior analysis》2007,40(3):545-552
The results of a functional analysis of problem behavior and a paired-choice assessment were compared to determine whether the same social reinforcers were identified for problem behavior and an appropriate response (time allocation). The two assessments were conducted in classroom settings with 4 adolescents with mental retardation who engaged in severe problem behavior. Each student's classroom teacher served as the therapist for all phases of assessment. The two assessment procedures identified the same social reinforcers for problem and appropriate behavior for 3 of 4 participants. 相似文献
137.
The duration or magnitude of reinforcement has varied and often appears to have been selected arbitrarily in functional analysis research. Few studies have evaluated the effects of reinforcement magnitude on problem behavior, even though basic findings indicate that this parameter may affect response rates during functional analyses. In the current study, 6 children with autism or developmental disabilities who engaged in severe problem behavior were exposed to three separate functional analyses, each of which varied in reinforcement magnitude. Results of these functional analyses were compared to determine if a particular reinforcement magnitude was associated with the most conclusive outcomes. In most cases, the same conclusion about the functions of problem behavior was drawn regardless of the reinforcement magnitude. 相似文献
138.
Valerie M. Volkert Dorothea C. Lerman Nathan A. Call Nicole Trosclair‐Lasserre 《Journal of applied behavior analysis》2009,42(1):145-160
Extinction‐induced resurgence is the recurrence of previously reinforced behavior when another behavior is placed on extinction (Lieving, Hagopian, Long, & O'Connor, 2004). This phenomenon may account for some instances of treatment relapse when problem behavior recovers during extinction‐based treatments. The current study sought to determine whether resurgence of problem behavior would reliably occur with 5 participants who received treatment with FCT. Results showed that problem behavior reemerged for all but 1 participant when the communicative response was exposed to extinction or thin schedules of reinforcement. These findings suggest that resurgence may account for some instances of response recovery during treatment, and that the described procedure may be useful for the further study of resurgence and eventual prevention of this phenomenon. 相似文献
139.
O'Reilly M Lang R Davis T Rispoli M Machalicek W Sigafoos J Lancioni G Didden R 《Journal of applied behavior analysis》2009,42(4):773-783
We examined the effects of three different presession conditions on tangibly maintained problem behavior for 2 students with autism, using individual-participant multielement designs. First, an analogue functional analysis demonstrated that problem behavior was maintained by access to tangible items. Next, topographies of item rejection were identified. Finally, students were exposed to (a) brief access, (b) no access, and (c) satiation to the tangible items prior to tangible sessions. The results demonstrated high levels of problem behavior following the brief-access and no-access presession conditions and low levels of problem behavior following the satiation condition. The findings are discussed in the context of how satiation might best be defined for these sorts of evaluations. 相似文献
140.
Nathan A. Call Ryan S. Pabico Joanna E. Lomas 《Journal of applied behavior analysis》2009,42(3):723-728
Few direct‐assessment procedures are designed to identify potential negative reinforcers (e.g., including demands in the escape condition of functional analyses). Two participants were systematically exposed to a series of demands nominated by caregivers as potential negative reinforcers. Sessions ended following the first instance of problem behavior, and a hierarchy of demand aversiveness was created based on the latency to the first problem behavior. Subsequent functional analyses confirmed the predictive value of the hierarchy, with shorter latency demands consistently producing more differentiated functional analysis outcomes. 相似文献