Results 71 to 80 of about 32,520 (207)

Neurodevelopmental conditions and adaptive functioning – a co‐twin control study

open access: yesJournal of Child Psychology and Psychiatry, EarlyView.
Background Challenges in adaptive or daily functioning are inherent to diagnostic criteria for neurodevelopmental conditions (NDCs). However, less is known regarding the influence of factors that may confound the association between NDCs and adaptive functioning.
Johan Isaksson   +4 more
wiley   +1 more source

The nature and nurture of primary and secondary callous–unemotional traits: evidence from two independent twin samples

open access: yesJournal of Child Psychology and Psychiatry, EarlyView.
Background Callous–unemotional (CU) traits identify youth with more severe and chronic trajectories of conduct problems. However, the etiology of CU traits may be heterogeneous, undermining the search for effective treatments. The level of co‐occurring anxiety has been used to identify “primary” (lower anxiety) versus “secondary” (higher anxiety ...
Rachel C. Tomlinson   +6 more
wiley   +1 more source

Does the sex of one’s co-twin affect height and BMI in adulthood? A study of dizygotic adult twins from 31 cohorts

open access: yesBiology of Sex Differences, 2017
Background The comparison of traits in twins from opposite-sex (OS) and same-sex (SS) dizygotic twin pairs is considered a proxy measure of prenatal hormone exposure.
Leonie H. Bogl   +75 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

Psycho‐social factors associated with disagreement between prospective and retrospective measures of childhood maltreatment

open access: yesJournal of Child Psychology and Psychiatry, EarlyView.
Background Prospective and retrospective measures of childhood maltreatment often identify different individuals and are differentially associated with psychopathology. This study examines psycho‐social factors that may explain discrepancies between these measures.
Oonagh Coleman   +5 more
wiley   +1 more source

Most of the genetic covariation between major depressive and alcohol use disorders is explained by trait measures of negative emotionality and behavioral control [PDF]

open access: yes, 2016
Background Mental health disorders commonly co-occur, even between conceptually distinct syndromes, such as internalizing and externalizing disorders.
Ellingson, J. M   +4 more
core   +3 more sources

Are Wednesday's Children Full of Woe? Children's Differences in Personality Are Independent of Day of Birth

open access: yesJournal of Personality, EarlyView.
ABSTRACT Introduction Nursery rhymes, which are rich in literary devices, benefit children's language learning. Less is known about the influence that nursery rhymes' messages may have on children's development. We focused on “Monday's Child,” a popular nursery rhyme that alleges children's day of the week of birth forecasts their differences in ...
Emily Wood   +8 more
wiley   +1 more source

The importance of separation-individuation process in the treatment course of a monozygotic twin pair concordant for anorexia nervosa: a case report

open access: yesPsychiatry and Behavioral Sciences, 2017
Anorexia nervosa is a serious mental illness with marked morbidity and mortality. Twin studies on anorexia nervosa concluded that there was a higher concordance rate in monozygotic twins (56%) than in dizygotic twins (7%).
Mehmet Hamdi Orum   +3 more
doaj   +1 more source

Genetic Susceptibility to Periodontitis

open access: yesJournal of Periodontal Research, EarlyView.
Aim: The aim of this narrative review was to identify genes carrying risk alleles associated with an increased risk of periodontitis and to place them in a biological context. Methods: The literature was reviewed based on predefined criteria. Results: The identified genes largely fall into functions linking immune response with tissue repair. The genes
Gesa M. Richter, Arne S. Schaefer
wiley   +1 more source

Marital Status and Unobserved Heterogeneity - Do twins suggest a genetic inheritance? [PDF]

open access: yes
The purpose of this study is to reveal the importance of unobserved heterogeneity on marital status. The results for monozygotic (identical) and dizygotic twins indicate an important genetic component in marital status.
Nilsson, William
core   +1 more source

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