نتایج جستجو برای: age related macular degeneration convolutional neural

تعداد نتایج: 2089624  

2014
Valentina Morsan Carlo Fantoni Loredana Hvastja Stefani Maria A. Tallandini

The use of chronological or/and corrected age administering BSITD-III in preterm children was investigated in a sample of preterm infants and full-term infants. BSITD-III was administered at 12 months corrected age. The performance scores for the three BSITD-III subscales were calculated according to the child’ chronological age and considering the BSITD-III request for correction referring to ...

Journal: :Twin research and human genetics : the official journal of the International Society for Twin Studies 2015
Shuai Li Ee Ming Wong JiHoon E Joo Chol-Hee Jung Jessica Chung Carmel Apicella Jennifer Stone Gillian S Dite Graham G Giles Melissa C Southey John L Hopper

The disease- and mortality-related difference between biological age based on DNA methylation and chronological age (Δage) has been found to have approximately 40% heritability by assuming that the familial correlation is only explained by additive genetic factors. We calculated two different Δage measures for 132 middle-aged female twin pairs (66 monozygotic and 66 dizygotic twin pairs) and th...

Journal: :Journal of cognitive neuroscience 2003
Denise C Park Robert C Welsh Christy Marshuetz Angela H Gutchess Joseph Mikels Thad A Polk Douglas C Noll Stephan F Taylor

Age differences in frontal and hippocampal activations in working memory were investigated during a maintenance and subsequent probe interval in an event-related fMRI design. Younger and older adults either viewed or maintained photographs of real-world scenes (extended visual or maintenance conditions) over a 4-sec interval before responding to a probe fragment from the studied picture. Behavi...

Journal: :Psychonomic bulletin & review 2006
David C Rubin Dorthe Berntsen

Subjective age--the age people think of themselves asbeing--is measured in a representative Danish sample of 1,470 adults between 20 and 97 years of age through personal, in-home interviews. On the average, adults younger than 25 have older subjective ages, and those older than 25 have younger subjective ages, favoring a lifespan-developmental view over an age-denial view of subjective age. Whe...

Journal: :The British journal of ophthalmology 1999
S Beatty M Boulton D Henson H H Koh I J Murray

The present concepts of the pathogenesis of AMD include cumulative light damage by oxidative processes in the macular photoreceptors as environmental co-factor for the development of AMD. The direct causative connection of this hypothesis has still to be established but wide circumstantial evidence from epidemiological and basic scientific investigations are strongly supportive. Macular pigment...

2001
Timothy A. Salthouse Renee L. Babcock

Two studies, involving a total of 460 adults between 18 and 87 years of age, were conducted to determine which of several hypothesized processing components was most responsible for age-related declines in working memory functioning. Significant negative correlations between age and measures of working memory (i.e., from -.39 to -.52) were found in both studies, and these relations were substan...

2005
Timothy A. Salthouse

Two studies were conducted with adults from a wide range of ages to investigate the mechanisms by which a slower processing speed contributes to adult age differences in short-term learning. Although statistical control of measures of perceptual speed substantially reduced the agerelated variance in measures of associative leaming and of maze leaming, there was little evidence that speed exerte...

Journal: :Perspectives on psychological science : a journal of the Association for Psychological Science 2007
Ellen Peters Thomas M Hess Daniel Västfjäll Corinne Auman

Age differences in affective/experiential and deliberative processes have important theoretical implications for judgment and decision theory and important pragmatic implications for older-adult decision making. Age-related declines in the efficiency of deliberative processes predict poorer-quality decisions as we age. However, age-related adaptive processes, including motivated selectivity in ...

Journal: :Vision Research 2003
Anthony G. Robson Jack D. Moreland Daniel Pauleikhoff Tony Morrissey Graham E. Holder Fred W. Fitzke Alan C Bird Frederik J.G.M. van Kuijk

Macular pigment (MP) distribution profiles were measured for 18 subjects using a Moreland anomaloscope modified for motion photometry. The total amount of MP within the central 7 degrees was estimated from the distribution profile by numerical integration. Fundus autofluorescence images were obtained for eight of these subjects using a scanning laser ophthalmoscope. Peak optical density of MP i...

Journal: :Pediatric physical therapy : the official publication of the Section on Pediatrics of the American Physical Therapy Association 2010
Tamis W Pin Katy de Valle Bev Eldridge Mary P Galea

PURPOSE The Alberta Infant Motor Scale (AIMS) is a standardized motor assessment for young infants. This study aimed to examine the reliability of the AIMS in a group of infants born at or before 29 weeks of gestation. METHODS Fifty-nine infants born preterm were recruited. Two experienced pediatric physical therapists participated in this reliability study. Infants were assessed at 4, 8, 12,...

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