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Journal ArticleDOI

Specific impairments of planning

Tim Shallice
- 25 Jun 1982 - 
- Vol. 298, Iss: 1089, pp 199-209
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TLDR
An information-processing model is outlined that predicts that performance on non-routine tasks can be impaired independently of performance on routine tasks, related to views on frontal lobe functions, particularly those of Luria.
Abstract
An information-processing model is outlined that predicts that performance on non-routine tasks can be impaired independently of performance on routine tasks. The model is related to views on frontal lobe functions, particularly those of Luria. Two methods of obtaining more rigorous tests of the model are discussed. One makes use of ideas from artificial intelligence to derive a task heavily loaded on planning abilities. A group of patients with left anterior lesions has a specific deficit on the task. Subsidiary investigations support the inference that this is a planning impairment.

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The emergence and implementation of health goals

TL;DR: In this paper, a model of action phases and its concomitant concepts of implemental mindsets and implementation intentions are used to explore how the initiation of health goal directed behaviors can be facilitated and how the performance of health-goal directed actions is enhanced.
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The Neuropsychology of Amphetamine and Opiate Dependence: Implications for Treatment

TL;DR: Cognitive impairment in drug users has a negative impact on treatment engagement and efficacy, and substance-specific deficits on executive and memory function are reviewed and possibilities to address these during treatment intervention are discussed.
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Neural Mechanisms of Hierarchical Planning in a Virtual Subway Network

TL;DR: The results suggest that humans represent hierarchical plans using a network of caudal prefrontal structures, rather than a single hierarchical plan, as previously suggested.
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Cognitive performance in multiple system atrophy

TL;DR: A distinctive pattern of cognitive deficits is shown, unlike those previously seen using the same tests in patients with Parkinson's and Alzheimer's diseases, and suggesting a prominent frontal-lobe-like component.
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A challenging, unpredictable world for people with autism spectrum disorder.

TL;DR: It is proposed that dysfunction in the ability to build flexible prediction in ASD may originate from impaired top-down influence over a variety of sensory and higher level information processing, a physiopathological hypothesis which dovetails with the cortical under connectivity current theory.
References
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Journal ArticleDOI

Controlled and automatic human information processing: II. Perceptual learning, automatic attending and a general theory.

TL;DR: Tested the 2-process theory of detection, search, and attention presented by the current authors (1977) in a series of experiments and demonstrated the qualitative difference between 2 modes of information processing: automatic detection and controlled search.
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Higher cortical functions in man

TL;DR: Among the authors' patients was a bookkeeper with a severe form of sensory aphasia who could still draw up the annual balance sheet in spite of severe disturbances of speech and although he was unable to remember the names of his subordinates and used to refer to them incorrectly.
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Attention to action: willed and automatic control of behavior

TL;DR: This chapter proposes a theoretical framework structured around the notion of a set of active schemas, organized according to the particular action sequences of which they are a part, awaiting the appropriate set of conditions so that they can become selected to control action.
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