Results 61 to 70 of about 46,283 (291)

Multiple Impacted Supernumerary Teeth in Non-Syndromic Monozygotic Twins: A Case Report [PDF]

open access: yesJournal of Clinical and Diagnostic Research, 2018
Supernumerary teeth are defined as teeth that appear in addition to the normal dental formula regardless of their location and morphology. Many individuals present with supernumerary teeth however the presence of multiple supernumerary teeth in ...
Sruti Kalluri   +4 more
doaj   +1 more source

A dohányzási szokásokat befolyásoló környezeti tényezők egy- és kétpetéjű ikrek körében [PDF]

open access: yes, 2013
Introduction: Smoking habits are influenced by environmental (family, friends) and psychologic factors. Aim: To investigate environmental factors which influence the smoking habits of monozygotic and dizygotic twins.
Bakkne Nagy M,   +2 more
core   +1 more source

Intergenerational transmission of attachment: The role of intelligence

open access: yesJCPP Advances, EarlyView.
Attachment and cognitive development are associated, but the direction of the association is unclear. Recently, Del Giudice and Haltigan have argued that attachment in childhood and attachment representations in adulthood are influenced by the cognitive capabilities of the individual, which might make the intergenerational transmission of attachment ...
Jana Runze   +4 more
wiley   +1 more source

Anxiety-related experience-dependent white matter structural differences in adolescence: A monozygotic twin difference approach

open access: yesScientific Reports, 2017
Anxiety is linked to deficits in structural and functional connectivity between limbic structures and pre-frontal cortices. We employed a monozygotic (MZ) twin difference design to examine the relationship between structural characteristics of the ...
Nagesh Adluru   +6 more
doaj   +1 more source

Genetic and environmental influences on sleep quality, ability to settle, and crying duration in 2‐ and 5‐month‐old infants: A longitudinal twin study

open access: yesJCPP Advances, EarlyView.
This study found that genetic factors largely influence crying duration and settle ability in infancy, while shared environmental factors primarily affect the number of night wakeups. Etiological influences tended to change from 2 to 5 months, reflecting a highly plastic period in infant brain development and in child‐environment interactions. Abstract
Charlotte Viktorsson   +5 more
wiley   +1 more source

Familial Temporal Lobe Epilepsy in Twins

open access: yesPediatric Neurology Briefs, 1996
A new syndrome of familial temporal lobe epilepsy is described in 38 subjects from 13 unrelated families and was first identified in 5 concordant monozygotic twin pairs at the Australian National Health and Medical Research Council Twin Registry ...
J Gordon Millichap
doaj   +1 more source

Comparison of epidemiologic factors and eye manifestations of twin children with controls

open access: yesBMC Ophthalmology, 2023
Purpose The present study was aimed to compare the epidemiological and ocular findings of twin children in comparison with non- twin age matched individuals as their control.
Zhale Rajavi   +6 more
doaj   +1 more source

Preverbal Language Abilities in Monozygotic and Dizygotic Twins [PDF]

open access: yes, 2007
This study examined prelinguistic language development of twins by delineating: differences from developmental expectations; twin-twin communication and twin-mother communication differences; and monozygotic-dizygotic differences.
Albrecht, Sara
core   +1 more source

A Twin Protection Effect? Explaining Twin Survival Advantages with a Two-Process Mortality Model.

open access: yesPLoS ONE, 2016
Twin studies that focus on the correlation in age-at-death between twin pairs have yielded important insights into the heritability and role of genetic factors in determining lifespan, but less attention is paid to the biological and social role of ...
David J Sharrow, James J Anderson
doaj   +1 more source

A placebo-controlled trial of folic acid and betaine in identical twins with Angelman syndrome. [PDF]

open access: yes, 2019
BackgroundAngelman syndrome (AS) is a neurodevelopmental disorder that is caused by maternal genetic deficiency of a gene that encodes E6-AP ubiquitin-protein ligase (gene symbol UBE3A) mapping to chromosome 15q11-q13.
Anselm, Irina   +8 more
core  

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