Aeronautical engineering: A continuing bibliography with indexes (supplement 305)

This bibliography lists 239 reports, articles, and other documents recently introduced into the NASA scientific and technical information system. Subject coverage includes the following: the design, construction, and testing of aircraft and aircraft engines; aircraft components, equipment, and systems; ground support systems; and theoretical and applied aspects of aerodynamics and general fluid dynamics

Information Encoding by Individual Neurons and Groups of Neurons in the Primary Visual Cortex

How is information about visual stimuli encoded into the responses of neurons in the cerebral cortex? In this thesis, I describe the analysis of data recorded simultaneously from groups of up to eight nearby neurons in the primary visual cortices of anesthetized macaque monkeys. The goal is to examine the degree to which visual information is encoded into the times of action potentials in those responses (as opposed to the overall rate), and also into the identity of the neuron that fires each action potential (as opposed to the average activity across a group of nearby neurons). The data are examined with techniques modified from systems analysis, statistics, and information theory. The results are compared with expectations from simple statistical models of action-potential firing and from models that are more physiologically realistic. The major findings are: (1) that cortical responses are not renewal processes with time-varying firing rates, which means that information can indeed be encoded in the detailed timing of action potentials; (2) that these neurons encode the contrast of visual stimuli primarily into the time difference between stimulus and response onset, which is known as the latency; (3) that this so-called temporal coding serves as a mechanism by which the brain might discriminate among stimuli that evoke similar firing rates; (4) that action potentials preceded by interspike intervals of different durations can encode different features of a stimulus; (5) that the rate of overall information transmission can depend on the type of stimulus in a manner that differs from one neuron to the next; (6) that the rate at which information is transmitted specifically about stimulus contrast depends little on stimulus type; (7) that a substantial fraction of the information rate can be confounded among multiple stimulus attributes; and, most importantly, (8) that averaging together the responses of multiple nearby neurons leads to a significant loss of information that increases as more neurons are considered. These results should serve as a basis for direct investigation into the cellular mechanisms by which the brain extracts and processes the information carried in neuronal responses

Aeronautical Engineering. A continuing bibliography with indexes, supplement 136, June 1981

This bibliography lists 424 reports, articles, and other documents introduced into the NASA scientific and technical information system in May 1981

Fostering Thinking Skills Through Creative Drama with Primary School Children with Learning Difficulties (LD) in Saudi Arabia

This study aimed to understand how the thinking skills of children with learning difficulties (LD) can be fostered by using ‘creative drama’ in the context of two primary schools for girls in Saudi Arabia. The educational vision of Saudi Arabia Vision 2030 emphasises the importance of the development of skills, such as thinking skills, in addition to knowledge to prepare children for a modern, 21st-century world. Within the Saudi educational system, relatively little attention has been paid to learners with LD, especially with thinking skills as a focus. The study utilised a design-based research approach involving multiple iterations of creative drama sessions incorporating different thinking skills, designed and co-led by the researcher and the teachers. The participants were 14 children with LD (ages 7 to 12) and two teachers with backgrounds in special educational needs. The study was designed in two phases. Phase One was carried out in School A to test and then revise the initial design principles empirically. The findings of this phase were an advanced version of the design principles, which then guided Phase Two in School B. The main findings of this intervention were introducing the elements of the dynamic and collaborative culture established through the use of creative drama for fostering thinking skills. The findings contribute to the empirical and theoretical field of fostering thinking skills using tested design principles for utilising ‘creative drama’ as a medium for teaching. The data were collected by multiple methods: teacher conversations, participant observations, focus groups, and a research journal. The findings suggest that using creative drama as a medium of learning might foster thinking skills by creating a dynamic and inclusive environment. Moreover, promoting the thinking skills of children with LD requires a balance between the facilitator’s role and the learners’ agency. It also requires a collaborative learning culture that supports the children emotionally and provides a safe atmosphere. This DBR concluded that the implementation of creative drama fostered the thinking skills of children with LD and allowed them to practise a variety of thinking skills in a safe, supportive environment and a collaborative culture. By considering the context of the Saudi educational system, this study suggests that there is a need to further investigate a thinking skills approach that supports learners with LD, and suggests the importance of investigating multi-modality and embodied cognition in special education, especially at the primary school level

Management: A continuing literature survey with indexes, March 1976

Management is a compilation of references to selected reports, journal articles, and other documents on the subject of management. This publication lists 368 documents originally announced in the 1975 issues of Scientific and Technical Aerospace Reports (STAR) or International Aerospace Abstracts (IAA). It includes references on the management of research and development, contracts, production, logistics, personnel, safety, reliability and quality control. It also includes references on: program, project and systems management; management policy, philosophy, tools, and techniques; decisionmaking processes for managers; technology assessment; management of urban problems; and information for managers on Federal resources, expenditures, financing, and budgeting

Aeronautical Engineering: A special bibliography with indexes, supplement 69

This bibliography lists 305 reports, articles, and other documents introduced into the NASA scientific and technical information system in March 1976

Aeronautical engineering: A continuing bibliography with indexes (supplement 271)

This bibliography lists 666 reports, articles, and other documents introduced into the NASA scientific and technical information system in October, 1991. Subject coverage includes design, construction and testing of aircraft and aircraft engines; aircraft components, equipment and systems; ground support systems; and theoretical and applied aspects of aerodynamics and general fluid dynamics

Aeronautical Engineering: A continuing bibliography with indexes

This bibliography lists 499 reports, articles and other documents introduced into the NASA scientific and technical information system in August 1985

Aeronautical engineering: A continuing bibliography with indexes (supplement 252)

This bibliography lists 425 reports, articles, and other documents introduced into the NASA scientific and technical information system in April 1990. Subject coverage includes: design, construction and testing of aircraft and aircraft engines; aircraft components, equipment and systems; ground support systems; and theoretical and applied aspects of aerodynamics and general fluid dynamics