Neonatal Responsiveness to the Odor of Amniotic and Lacteal Fluids: A Test of Perinatal Chemosensory Continuity  

Oleh:

Marlier, Luc ; Soussignan, Robert ; Schaal, Benoist

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Child Development vol. 69 no. 03 (Jun. 1998), page 611-623.
Topik: Colostrum; The Odor; Amniotic Fluid
Fulltext: 1132193.pdf (512.38KB)

Ketersediaan

Perpustakaan PKPM Nomor Panggil: C49 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

Lihat Detail Induk

Isi artikel

The head-orientation response of 2- and 4-day-old breast-feeding neonates was studied in paired-choice odor tests. Three tests were conducted on day 2 (amniotic fluid [AF] versus Colostrum; AF versus Control; Colostrum versus Control) and on day 4 (AF versus Milk; AF versus Control; Milk versus Control). At 2 days, both AF and Colostrum elicited positive orientation when presented simultaneously with the control stimulus, indicating that both odors were detectable to the infants. However, no differential responses were noted when AF and colostrum were presented concurrently, suggesting that both of these substrates were treated as similar sensorily and/ or hedonically. On day 4, the odors of AF and transitional milk elicited attraction responses when presented in competition with a control stimulus. When the odor of milk was presented simultaneously with the odor of AF, the former elicited longer head orientation. Thus, within the first 4 days of life olfactory selectivity changes from a null preference between cues carried in AF and in colostrum to a positive preference for cues carried in postamniotic odors, that is, breast milk. An additional experiment indicated that 3-day-old neonates orient longer toward the odor of their own AF than toward the odor of alien AF, showing that prenatal odors elicit selective responding for some time after birth.

Opini Anda

Klik untuk menuliskan opini Anda tentang koleksi ini!

Kembali