PSY 1630- FetalBehaviorNotes

PSY 1630- FetalBehaviorNotes - Fetal Behavior Movement -...

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Fetal Behavior Movement - Swallowing - Breathing movements: breathing amniotic fluid promotes lung/diaphram development Rest-activity cycles At First: constant movement Then: becomes periodic By end of pregnancy: 3/4 of time in quiet, active sleep states (REM sleep), brain stem/cortex is inhibiting movement of the baby Fetal Experience Touch— yes (grabs own umbilical cord when it hits the baby's hand) Taste—yes (sweet tooth) Smell—apparently Hearing—definitely Sight—least developed at birth because it is dark in the uterus Fetal Learning Habituation : - Present stimulus repeatedly - Wait till reaction decreases - Present new stimuli - Does infant start responding again?
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Increased response =notices difference between old and new stimuli Therefore, has learned and can remember old one, to compare with new one Prenatal learning of speech sounds (Lecanuet et al., 1995) - Fetuses in 9 th month (32 wks. at earliest) - Speaker over mom’s abdomen: “babi” - At first: brief deceleration
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This note was uploaded on 02/11/2009 for the course PSYCH 101 taught by Professor Khalid during the Spring '07 term at Vanderbilt.

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PSY 1630- FetalBehaviorNotes - Fetal Behavior Movement -...

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