Chapter 4.On-line Lecture notes

Chapter 4.On-line Lecture notes - waves of infants appear...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
Chapter 4 Physical Development during Infant Move to page 125 Note: On average, newborn infants sleep some 16 to 17 hours a day. So let’s investigate sleep. Page 126—Talks about REM –Rapid Eye Movement—This is a period of active sleep that we associate with dreaming. The eyes start to dart back and forth under the eyelids. This is an indication that the newborn has entered REM sleep. REM sleep is also known as dreaming sleep or paradoxical sleep. At first the infant spends about ½ of its sleep time in REM. By 6 months old the amount of dream/REM sleep is reduced to about a 1/3. Even while in the womb the fetus enters into REM sleep. Note: Infants sleep through the night by 12 months old as a rule of thumb. Page 126= Even though infants enter into REM sleep they probably are not dreaming until around 3 or 4 months old. We know that because the brain
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: waves of infants appear to differ qualitatively from those of adults who are dreaming. Page 127. Please know the incidence of sudden infant death syndrome. SIDS is 1 in 1,000. SIDS is a disorder where seemingly healthy infants die in their sleep. The infant is put to bed at night and fails to wake up the next day. There is no known cause for this problem. The child doesn’t smother or choke rather they die a peaceful death. Simply forgetting to breathe. Boys and African American children are at the greatest risk. Low-birth-weight children are also at a greater risk as well as children of mother’s who smoke. There is a decline in SIDS taking place. See the graph on bottom of page 128. The rate of sudden infant death syndrome decreased in this country during the 1990’s because more babies sleep on their backs....
View Full Document

{[ snackBarMessage ]}

Ask a homework question - tutors are online