Toward a Metacognitive Account of Cognitive Offloading

Individuals frequently make use of the body and environment when engaged in a cognitive task. For example, individuals will often spontaneously physically rotate when faced with rotated objects, such as an array of words, to putatively offload the performance costs associated with stimulus rotation. We looked to further examine this idea by independently manipulating the costs associated with both word rotation and array frame rotation. Surprisingly, we found that individuals’ patterns of spontaneous physical rotations did not follow patterns of performance costs or benefits associated with being physically rotated, findings difficult to reconcile with existing theories of strategy selection involving external resources. Individuals’ subjective ratings of perceived benefits, rather, provided an excellent match to the patterns of physical rotations, suggesting that the critical variable when deciding on‐the‐fly whether to incorporate an external resource is the participant's metacognitive beliefs regarding expected performance or the effort required for each approach (i.e., internal vs. internal + external). Implications for metacognition's future in theories of cognitive offloading are discussed.     

Contiguity and conditioned reinforcement in probabilistic choice

In a baseline condition, pigeons chose between an alternative that always provided food following a 30-s delay (100% reinforcement) and an alternative that provided food half of the time and blackout half of the time following 30-s delays (50% reinforcement). The different outcomes were signaled by different-colored keylights. On average, each alternative was chosen approximately equally often, replicating the finding of suboptimal choice in probabilistic reinforcement procedures. The efficacy of the delay stimuli (keylights) as conditioned reinforcers was assessed in other conditions by interposing a 5-s gap (keylights darkened) between the choice response and one or more of the delay stimuli. The strength of conditioned reinforcement was measured by the decrease in choice of an alternative when the alternative contained a gap. Preference for the 50% alternative decreased in conditions in which the gap preceded either all delay stimuli, both delay stimuli for the 50% alternative, or the food stimulus for the 50% alternative, but preference was not consistently affected in conditions in which the gap preceded only the 100% delay stimulus or the blackout stimulus for the 50% alternative. These results support the notion that conditioned reinforcement underlies the finding of suboptimal preference in probabilistic reinforcement procedures, and that the signal for food on the 50% reinforcement alternative functions as a stronger conditioned reinforcer than the signal for food on the 100% reinforcement alternative. In addition, the results fail to provide evidence that the signal for blackout functions as a conditioned punisher.     

Spirituality-Focused Genograms: Keys to Uncovering Spiritual Resources in African American Families

This article invites therapists to explore the spiritual resources of African Americans through the use of spirituality-focused genograms. Spiritual issues can be considered in the context of family dynamics, as well as cultural factors including gender, socioeconomic status, language, geographic origins and issues of racism and oppression. Examples of the use of spirituality-focused genograms in therapy are presented.     

Caregiver-patient dyads: Documenting the verbal instructions caregivers provide in joint cognitive tasks

Thirty spousal caregivers and their partners (who had been diagnosed as having primary degenerative dementia) jointly performed four cognitive tasks: Block Design (from the WAIS-R), the Token Test, and two memory tasks. Two of the tasks were unstructured, and two were structured. Caregivers served as the instructor on all tasks. Interactions were videotaped. Results showed that caregivers provided appropriate verbal instructions to a greater extent on the unstructured nonverbal task (Block Design) than on the unstructured memory task. Results are discussed in terms of implications for dyadic cognition research and intervention in dementia.     

Neonatal treatment with monosodium glutamate does not alter grooming behavior induced by novelty or adrenocorticotropic hormone

The increased grooming behavior observed in a novel environment has been attributed to release of peptides derived from proopiomelanocortin (POMC), such as ACTH, alpha-melanocyte-stimulating hormone (alpha-MSH), or beta-endorphin, which themselves can elicit grooming. This is because novelty-induced grooming is attenuated both by hypophysectomy and by antiserum to ACTH injected into the cerebral ventricles. Administration of monosodium glutamate (MSG) to neonatal rats destroys neurons in the arcuate nucleus of the hypothalamus, depleting the brain of POMC peptides, and also hypothalamic dopamine and choline acetyl-transferase activity. Neonatal MSG treatment did not significantly alter the grooming scores of adult rats in either home or novel environments compared to saline-treated animals. There were also no differences between MSG-and saline-treated rats in the grooming scores observed following graded doses of ACTH1-24 (0.2-1.0 micrograms) administered intracerebroventricularly. Thus if increased grooming in the novel environment is due to release into the ventricles of ACTH, alpha-MSH, beta-endorphin, these peptides more likely derive from the pituitary rather than from brain cells, although the failure of the MSG treatment to produce quantitative depletions of cerebral POMC peptides, especially in the brain stem, leaves open the latter possibility.     

Effect of depression level and length of acquaintance on reactions of others to a request for help

This experiment examined an interpersonal-process view of depression by assessing subjects' reactions to a request for help from a hypothetical depressed or nondepressed person with whom they had been acquainted for a relatively short (2 weeks) or long (1 year) period of time. Subjects responded to each of the four hypothetical persons by indicating their probable affective reactions to the request, the number of minutes they would be willing to help, their desire for future social contact with the hypothetical person, and their expectations of future requests for help. Requests from depressed persons elicited significantly more anger and social rejection but equal amounts of concern and willingness to help. This mixed response pattern was interpreted as providing partial support for an interpersonal-process view of depression. In addition a path analysis provided limited support for Coyne's (1976b) hypothesis that rejection of depressed persons results from the negative mood they induce in others.     

Psychosocial effects on parents of raising a physically handicapped child

The present study assessed the personality styles, attitudes, perspectives, and coping strategies of 133 mothers and 93 fathers of diabetic, asthmatic, crystic fibrotic, and hearing-impaired children. Across measures, both the essential positive adjustment levels and special problems of the sample were demonstrated, such that they formed a distinct group whose functioning fell between that reported for either normal or poorly-adjusted parents. Furthermore, the presence of the ill child served as the primary contributor to these patterns, with types of illness providing a secondary but significant thrust to its exact extent and scope. Mothers consistently reported more problems and more involvement than fathers, which illustrated their differential roles within these particular families as well as their typical modes of response to the stress of the ill child. Without a doubt, the stress was taking its toll on the parents. Even though they still managed to cope, a focus on the parental needs is necessary in the total management program for the physically ill child.This research was partially supported by NSF Grant GY11537 and NIMH Grant 1 R03-MH26160-01. Their support is gratefully acknowledged. Portions of this paper were presented at the American Psychological Association meetings Chicago, Illinois, September 1975.