PSYC 2030 Chapter Notes - Chapter 1: London Health Sciences Centre, Cortisol
5 Jun 2018
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PSYC 2030 Chapter 1 Notes
Introduction
ERPs
• Researhers have used ERPs to eplore ifats’ reatios to others’ displas of
emotions, finding that 7-montholds attend more to facial displays of negative rather
than positive (or neutral) emotions (Leppanen, Moulson, Vogel-Farley, & Nelson, 2007),
and that 12-month-olds are more inclined to use negative rather than positive (or
neutral) facial expressions as a guide for how they should be feeling or behaving in new
and uncertain situations (Carver & Vaccaro, 2007).
• More recently, technological advances have ade it possile to oserve the rai i
atio.
• Using MRI (magnetic resonance imaging) and fMRI (functional magnetic resonance
imaging) technology, researchers can compare pictures taken before a subject engages
in an activity and during the activity to see which areas of the brain were activated.
• The fMRI equipment, such as that found at the Robarts Institute at the University of
Western Ontario and the London Health Sciences Centre, is allowing researchers to
embark on new research.
• Psychophysiological states of parents can also be examined in investigations of
hildre’s developet.
• For example, the hormone oxytocin is thought to play a role in human attachment and
social relationships.
• Recently, Feldman and her colleagues measured oxytocin levels in pregnant women
across their pregnancies and after the birth of their children (Feldman, Weller, Zagoory-
Sharon, & Levine, 2007).
• Blood pressure and cortisol levels have been found in adolescence to be accurate
measures
• They found that the hormone levels across pregnancy predicted behavioral measures of
bonding between the mothers and their babies after birth.
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