Roque, Lisa Attachment security and HPA axis reactivity to positive and challenging emotional situations in child-mother dyads in naturalistic settings. [electronic resource] - Developmental psychobiology May 2012 - 401-11 p. digital Publication Type: Journal Article ISSN: 1098-2302 Standard No.: 10.1002/dev.20598 doi Subjects--Topical Terms: AdultChild Development--physiologyChild, PreschoolEmotions--physiologyFear--physiologyFemaleHumansHydrocortisone--analysisHypothalamo-Hypophyseal System--physiologyInfantMaleMother-Child RelationsObject AttachmentPituitary-Adrenal System--physiologySaliva--chemistry