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Articles 1 - 12 of 12
Full-Text Articles in Life Sciences
Statistical Learning In Songbirds: From Self-Tutoring To Song Culture, Olga Fehér, Iva Ljubičić, Kenta Suzuki, Kazuo Okanoya, Ofer Tchernichovski
Statistical Learning In Songbirds: From Self-Tutoring To Song Culture, Olga Fehér, Iva Ljubičić, Kenta Suzuki, Kazuo Okanoya, Ofer Tchernichovski
Publications and Research
At the onset of vocal development, both songbirds and humans produce variable vocal babbling with broadly distributed acoustic features. Over development, these vocalizations differentiate into the well-defined, categorical signals that characterize adult vocal behaviour. A broadly distributed signal is ideal for vocal exploration, that is, for matching vocal production to the statistics of the sensory input. The developmental transition to categorical signals is a gradual process during which the vocal output becomes differentiated and stable. But does it require categorical input?We trained juvenile zebra finches with playbacks of their own developing song, produced just a few moments earlier, updated continuously …
The Potential Of Forest Biomass Inversion Based On Vegetation Indices Using Multi-Angle Chris/Proba Data, Qiang Wang, Yong Pang, Zengyuan Li, Guoqing Sun, Erxue Chen, Wenge Ni-Meister
The Potential Of Forest Biomass Inversion Based On Vegetation Indices Using Multi-Angle Chris/Proba Data, Qiang Wang, Yong Pang, Zengyuan Li, Guoqing Sun, Erxue Chen, Wenge Ni-Meister
Publications and Research
Multi-angle remote sensing can either be regarded as an added source of uncertainty for variable retrieval, or as a source of additional information, which enhances variable retrieval compared to traditional single-angle observation. However, the magnitude of these angular and band effects for forest structure parameters is difficult to quantify. We used the Discrete Anisotropic Radiative Transfer (DART) model and the Zelig model to simulate the forest canopy Bidirectional Reflectance Distribution Factor (BRDF) in order to build a look-up table, and eight vegetation indices were used to assess the relationship between BRDF and forest biomass in order to find the sensitive …
From Sensory Perception To Lexical-Semantic Processing: An Erp Study In Non-Verbal Children With Autism, Chiara Cantiani, Naseem A. Choudhury, Yan H. Yu, Valerie L. Shafer, Richard G. Schwartz, April A. Benasich
From Sensory Perception To Lexical-Semantic Processing: An Erp Study In Non-Verbal Children With Autism, Chiara Cantiani, Naseem A. Choudhury, Yan H. Yu, Valerie L. Shafer, Richard G. Schwartz, April A. Benasich
Publications and Research
This study examines electrocortical activity associated with visual and auditory sensory perception and lexical-semantic processing in nonverbal (NV) or minimally-verbal (MV) children with Autism Spectrum Disorder (ASD). Currently, there is no agreement on whether these children comprehend incoming linguistic information and whether their perception is comparable to that of typically developing children. Event-related potentials (ERPs) of 10 NV/MV children with ASD and 10 neurotypical children were recorded during a picture-word matching paradigm. Atypical ERP responses were evident at all levels of processing in children with ASD. Basic perceptual processing was delayed in both visual and auditory domains but overall was …
Inducing Application Of Interdisciplinary Frameworks: Experiences From The Domains Of Information Literacy And Responsible Conduct Of Research, Anne E. Leonard, Jean E. Hillstrom
Inducing Application Of Interdisciplinary Frameworks: Experiences From The Domains Of Information Literacy And Responsible Conduct Of Research, Anne E. Leonard, Jean E. Hillstrom
Publications and Research
Constructivist frameworks for information literacy and research ethics can be developed and nurtured in the context of an interdisciplinary course. Using the frameworks of two disciplines, students went on an experiential journey in support of ethics foundations through guest lectures and active learning exercises. This study describes the development and content of the responsible conduct of research and information literacy modules and discusses the role of each in an interdisciplinary course. Learning goals for both modules were evaluated by examining student responses in a free-writing exercise at the end of the semester, concluding with a discussion of the structural and …
Converging On Nutrition Education Competencies: Aligning Library Instruction With Undergraduate Pre-Professional Program Requirements, Lee Ann Fullington, Margrethe Horlyck-Romanovsky, Susan Jakuboski
Converging On Nutrition Education Competencies: Aligning Library Instruction With Undergraduate Pre-Professional Program Requirements, Lee Ann Fullington, Margrethe Horlyck-Romanovsky, Susan Jakuboski
Publications and Research
No abstract provided.
Inquiry Into The Implementation Of Bush’S Executive Order 13211 And The Impact On Environmental And Public Health Regulation, Elizabeth Ann Glass Geltman, Gunwant Gill, Miriam Jovanovic
Inquiry Into The Implementation Of Bush’S Executive Order 13211 And The Impact On Environmental And Public Health Regulation, Elizabeth Ann Glass Geltman, Gunwant Gill, Miriam Jovanovic
Publications and Research
Executive Order 13211, promulgated in 2001, requires the federal government to consider the impact of federal action on energy independence as part of the George W. Bush’s National Energy Policy. This law review examines whether EO 13211 was used to curtail environmental protection and natural resource conservation. The article begins with a review of the procedure required of federal agencies under EO 13211 and its associated documents. The paper then examines case law and published federal rulemaking proceedings and examines how federal agencies apply tests to evaluate the potential energy effect. The study concludes that EO 13211 strikes a reasonable …
Attention Strongly Modulates Reliability Of Neural Responses To Naturalistic Narrative Stimuli, Jason J. Ki, Simon P. Kelly, Lucas C. Parra
Attention Strongly Modulates Reliability Of Neural Responses To Naturalistic Narrative Stimuli, Jason J. Ki, Simon P. Kelly, Lucas C. Parra
Publications and Research
Attentional engagement is a major determinant of how effectively we gather information through our senses. Alongside the sheer growth in the amount and variety of information content that we are presented with through modern media, there is increased variability in the degree to which we “absorb” that information. Traditional research on attention has illuminated the basic principles of sensory selection to isolated features or locations, but it provides little insight into the neural underpinnings of our attentional engagement with modern naturalistic content. Here, we show inhumansubjects that the reliability of an individual’s neural responses with respect to a larger group …
Exploring The Use Of An Iphone App: A Novel Approach To Dietary Assessment, Melissa Keeney, Ming-Chin Yeh, Rissa Landman, May May Leung, Ann Gaba, Khursheed Navder
Exploring The Use Of An Iphone App: A Novel Approach To Dietary Assessment, Melissa Keeney, Ming-Chin Yeh, Rissa Landman, May May Leung, Ann Gaba, Khursheed Navder
Publications and Research
Recent advancements in smartphone technology have provided new methods of dietary assessment. An iTunes application (app) called Meal Snap lets users take pictures of the meal they eat, and then estimates the calories of the food items eaten. We conducted a pilot study to explore the user-friendliness and calorie estimation functions of the Meal Snap app. Two female nutrition graduate students pilot-tested the Meal Snap app. Using the app, each student took pictures of foods and drinks consumed daily for two weeks. The data were analyzed using the Nutritionist ProTM software, version 4.4.0. The mean daily caloric intake obtained from …
The Effects Of Changing Attention And Context In An Awake Offline Processing Period On Visual Long-Term Memory, Timothy M. Ellmore, Anna Feng, Kenneth Ng, Luthfunnahar Dewan, James C. Root
The Effects Of Changing Attention And Context In An Awake Offline Processing Period On Visual Long-Term Memory, Timothy M. Ellmore, Anna Feng, Kenneth Ng, Luthfunnahar Dewan, James C. Root
Publications and Research
There is accumulating evidence that sleep as well as awake offline processing is important for the transformation of new experiences into long-term memory (LTM). Yet much remains to be understood about how various cognitive factors influence the efficiency of awake offline processing. In the present study we investigated how changes in attention and context in the immediate period after exposure to new visual information influences LTM consolidation. After presentation of multiple naturalistic scenes within a working memory paradigm, recognition was assessed 30 min and 24 h later in three groups of subjects. One group of subjects engaged in a focused …
Impact Of Irrigation Method On Water Use Efficiency And Productivity Of Fodder Crops In Nepal, Ajay K. Jha, Razan Malla, Mohan Sharma, Jeeban Panthi, Tarendra Lakhankar, Nir Y. Krakauer, Soni M. Pradhanang, Piyush Dahal, Madan Lall Shrestha
Impact Of Irrigation Method On Water Use Efficiency And Productivity Of Fodder Crops In Nepal, Ajay K. Jha, Razan Malla, Mohan Sharma, Jeeban Panthi, Tarendra Lakhankar, Nir Y. Krakauer, Soni M. Pradhanang, Piyush Dahal, Madan Lall Shrestha
Publications and Research
Improved irrigation use efficiency is an important tool for intensifying and diversifying agriculture in Nepal, resulting in higher economic yield from irrigated farmlands with a minimum input of water. Research was conducted to evaluate the effect of irrigation method (furrow vs. drip) on the productivity of nutritious fodder species during off-monsoon dry periods in different elevation zones of central Nepal. A split-block factorial design was used. The factors considered were treatment location, fodder crop, and irrigation method. Commonly used local agronomical practices were followed in all respects except irrigation method. Results revealed that location effect was significant (p < 0.01) with highest fodder productivity seen for the middle elevation site, Syangja. Species effects were also significant, with teosinte (Euchlaena mexicana) having higher yield than cowpea (Vigna unguiculata). Irrigation method impacted green biomass yield (higher with furrow irrigation) but both methods yielded similar dry biomass, while water use was 73% less under drip irrigation. Our findings indicated that the controlled application of water through drip irrigation is able to produce acceptable yields of nutritionally dense fodder species during dry seasons, leading to more effective utilization and resource conservation of available land, fertilizer and water. Higher productivity of these nutritional fodders resulted in higher milk productivity for livestock smallholders. The ability to grow fodder crops year-round in lowland and hill regions of Nepal with limited water storages using low-cost, water-efficient drip irrigation may greatly increase livestock productivity and, hence, the economic security of smallholder farmers.
Beyond Baby Steps An Empirical Study Of The Impact Of Environmental Justice Executive Order 12898, Elizabeth Ann Glass Geltman, Gunwant Gill, Miriam Jovanovic
Beyond Baby Steps An Empirical Study Of The Impact Of Environmental Justice Executive Order 12898, Elizabeth Ann Glass Geltman, Gunwant Gill, Miriam Jovanovic
Publications and Research
This study evaluated the impact of Executive Order (EO) 12898 to advance environmental justice. We conducted a review evaluating the frequency and effective use of EO 12898 since execution with particular focus following President Obama’s Plan EJ 2014. We found that both EO 12898 and Plan EJ 2104 had little, if any, impact on federal regulatory decision making. To the extent federal agencies discussed EO 12898, most did so in boilerplate rhetoric that satisfied compliance but was devoid of detailed thought or analysis. In the 21st year, with the exception of the Environmental Protection Agency, very little federal regulatory activity …
Drilling For Common Ground: How Public Opinion Tracks Experts In The Debate Over Federal Regulation Of Shale Oil & Gas Extraction, Elizabeth Ann Glass Geltman
Drilling For Common Ground: How Public Opinion Tracks Experts In The Debate Over Federal Regulation Of Shale Oil & Gas Extraction, Elizabeth Ann Glass Geltman
Publications and Research
Public interest in environmental and health impacts from shale oil and gas extraction (what the public calls “fracking”) is growing. Industry claims the public outcry against the new technology is not grounded in science. In February 2013, Resources for the Future (“RFF”) published a list of high priority “risk pathways” that experts from NGOs, academia, government, and industry all agreed were real concerns about fracking. This article used the risk matrix to evaluate whether public comments in dockets of federal agencies that proposed regulation concerning hydraulic fracturing tracked expert concern. The article found that the public tracked many of the …