The Science of Mother Love

A growing body of scientific evidence shows that theand growth. It also contains many immunities a baby
way babies are cared for by their mothers willneeds in early life while her own immune system is
determine not only their emotional development, but thematuring. One more instance of mother extending her
biological development of the child's brain and centralown power, (love) to her developing child.LIMBIC
nervous system as well. The nature of love, and howREGULATION: The Loop of LoveAnother key to
the capacity to love develops, has become theunderstanding how a mother's love shapes the
subject of scientific study over the last decade. Newemerging capacities of her infant is what doctors
data is emerging from a multitude of disciplines includingThomas Lewis, Fari Amini, and Richard Lannon ,
neurology, psychology, biology, ethology, anthropologyauthors of A General Theory of Love, call limbic
and neurocardiology. Something scientific disciplines findregulation; a mutually synchronizing hormonal exchange
in common when putting love under the microscope isbetween mother and child which serves to regulate
that in addition to shaping the brains of infants, mother'svital rhythms.Human physiology, they say, does not
love acts as a template for love itself and has fardirect all of its own functions; it is interdependent. It
reaching effects on her child's ability to love throughoutmust be steadied by the physical presence of another
life.To mothers holding their newborn babies it willto maintain both physical and emotional health. "Limbic
come as little surprise that the 'decade of the brain'regulation mandates interdependence for social
has lead science to the wisdom of the mother'smammals of all ages." says Lewis, "But young
heart.According to Alan Schore, assistant clinicalmammals are in special need of it's guidance: their
professor in the department of psychiatry andneural systems are not only immature but also growing
biobehavioral sciences at UCLA School of Medicine, aand changing. One of the physiologic processes that
major conclusion of the last decade of developmentallimbic regulation directs, in other words, is the
neuroscience research is that the infant brain isdevelopment of the brain itself - and that means
designed to be molded by the environment itattachment determines the ultimate nature of a child's
encounters.1 In other words, babies are born with amind." A baby's physiology is maximally open-loop:
certain set of genetics, but they must be activated bywithout limbic regulation, vital rhythms collapse posing
early experience and interaction. Schore believes thegreat danger, even death.The regulatory information
most crucial component of these earliest interactions isrequired by infants can alter hormone levels,
the primary caregiver - the mother. "The child's firstcardiovascular function, sleep rhythms, immune
relationship, the one with the mother, acts as afunction, and more. Lewis, et al contend that , the
template, as it permanently molds the individual'ssteady piston of mother's heart along with the
capacities to enter into all later emotional relationships."regularity of her breathing coordinate the ebb and flow
Others agree. The first months of an infant's lifeof an infant's young internal rhythms. They believe
constitute what is known as a critical period - a timesleep to be an intricate brain rhythm which the neurally
when events are imprinted in the nervousimmature infant must first borrow from parents.
system."Hugs and kisses during these critical periods"Although it sounds outlandish to some American ears,
make those neurons grow and connect properly withexposure to parents can keep a sleeping baby
other neurons." Says Dr. Arthur Janov, in his bookalive."The Myth of IndependenceThis interdependence
Biology of Love. "You can kiss that brain intomandated by limbic regulation is vital during infancy, but
maturity."Hormones, The Language of LoveIn hisit's also something we need throughout the rest of
beautiful book, The Scientification of Love, Frenchchildhood and on into adulthood. In many ways, humans
obstetrician Michel Odent explains how Oxytocin, acannot be stable on their own-we require others to
hormone released by the pituitary gland stimulates thesurvive. Recall that our nervous systems are not
release of chemical messengers in the heart. Oxytocin,self-contained; they link with those of the people close
which is essential during birth, stimulating contractions,to us in a silent rhythm that helps regulate our
and during lactation, stimulating the 'milk ejection reflex',physiology. This is not a popular notion in a culture that
is also involved in other 'loving behaviors'. "It isvalues independence over interdependence. However,
noticeable that whatever the facet of love weas a society that cherishes individual freedoms more
consider, oxytocin is involved.' Says Odent. "Duringthan any other, we must respect the process
intercourse both partners - female and male - releasewhereby autonomy develops.Children require ongoing
oxytocin." One study even shows that the simple actneural synchrony from parents in order for their natural
of sharing a meal with other people increases ourcapacity for self-directedness to emerge. A mother's
levels of this 'love hormone'.2The altruistic oxytocin islove is a continuous shaping force throughout childhood
part of a complex hormonal balance. A suddenand requires an adequate stage of dependency. The
release of Oxytocin creates an urge toward lovingwork of Mary Ainsworth has shown that maternal
which can be directed in different ways depending onresponsiveness and close bodily contact lead to the
the presence of other hormones, which is why thereunfolding of self-reliance and self confidence.9
are different types of love. For example, with a highBecause our culture does not sufficiently value
level of prolactin, a well-known mothering hormone, theinterpersonal relationships, the mother/child bond is not
urge to love is directed toward babies.While Oxytocinrecognized and supported as it could be.The ability of
is an altruistic hormone and prolactin a motheringa mother to read the emotional state of her child is
hormone, endorphins represent our 'reward system'.older than our own species, and is essential to our
"Each time we mammals do something that benefitssurvival, health and happiness. We are reminded of this
the survival of the species, we are rewarded by theeach time a hurt child changes from sad/scared/angry
secretion of these morphine-like substances." Saysto peaceful in our loving embrace. Warm human
Odent.During birth there is also an increase in the levelcontact generates the internal release of opiates,
of endorphins in the fetus so that in the momentsmaking mother's love a powerful anodyne. Even
following birth both mother and baby are under theteenagers who sometimes behave as if they are 'so
effects of opiates. The role of these hormones is toover' the need for a mother's affection must be kept
encourage dependency, which ensures a strongin the limbic loop. Children at this age might be at
attachment between mother and infant. In situations ofspecial risk for falling through the emotional cracks. If
failed affectional bonding between mother and babythey don't get the emotional regulation that family
there will be a deficiency of the appropriate hormones,relationships are designed to provide, their hungry
which could leave a child susceptible to substancebrains may seek ineffectual substitutes like drugs and
abuse in later life as the system continually attempts toalcohol.Children left too long under the electronic
right itself.3 You can say no to drugs, but not tostewardship of television, video games, etc., are not
neurobiology. Human brains have evolved from earlierreceiving the steady limbic connection with a resonant
mammals. The first portion of our brain that evolved onparent. Without this a child cannot internalize emotional
top of its reptilian heritage is the limbic system, the seatbalance properly.Our hearts and brains are hardwired
of emotion. It is this portion of the brain that permitsfor love, and from infancy to old age our health and
mothers and their babies to bond. Mothers and babieshappiness depend on receiving it.As the research
are hardwired for the experience of togetherness. Thekeeps coming in and we gain a gradually expanding
habits of breastfeeding, co-sleeping, and babywearingvision of how mother love shapes our species, we
practiced by the majority of! mothers insee an obvious need to take steps to protect and
non-industrialized cultures, and more and more in ourprovide for the mother/child bond. We can take heart
own, facilitate two of the main components neededknowing that all the while we carry in our genes over
for optimal mother/child bonding: proximity anda million years of evolutionary refinements equipping us
touch.PROXIMITY, Between Mammals, the Nature offor our role as mothers. The answers sought by
Love is Heart to HeartIn many ways it's obvious whyscience beat steadily within our own hearts.Notes 1.
a helpless newborn would require continuous closeSchore, Alan, Effects of a Secure Attachment
proximity to a caregiver; they're helpless and unable toRelationship on Right Brain Development, Affect
provide for themselves. But science is unveiling otherRegulation, and Infant Mental Health, 2001 2.Verbalis,
less obvious benefits of holding baby close. MotherJ.G., McCann, McHale and Stricker, 'Oxytocin secretion
child bonding isn't just for brains, but is also an affair ofin response to cholecystoknin and food: differentiation
the heart. In his 1992 work, Evolution's End, Josephof nausea from satiety.' Science 1986, 232: 1417-19 3.
Chilton Pearce describes the dual role of the heart cell,Prescott, James W., PhD, Breastfeeding: Brain Nutrients
saying that it not only contracts and expandsin Brain Development For Human Love and Peace,
rhythmically to pump blood, it communicates with itsFrom Touch The Future Newsletter, Spring 1997 4.
fellow cells. "If you isolate a cell from the heart, keep itPrescott, James W., PhD, The Origins of Human Love
alive and examine it through a microscope, you will seeand Violence, From Pre and Perinatal Psychology
it lose it's synchronous rhythm and begin to fibrillate untilJournal, Volume 10, #3: Spring 1996 5. Henry Holt, 1997
it dies. If you put another isolated heart cell on that6. Prescott, James W. , Ph.D , Rock A Bye Baby, Time
microscopic slide it will also fibrillate . If you move theLife Documentary, 1970, Executive Producer: Lothar
two cells within a certain proximity, however , theyWolff, Scientific Consultant. (last modified 2001/04/16).
synchronize and beat in unison." Perhaps this is why7. Montagu, Ashley Touching : The Human Significance
most mothers instinctively place their babies to their leftof the Skin, Harper, 1986 8. Prescott, James W., PhD,
breast, keep! ing those hearts in proximity. The heartBreastfeeding: Brain Nutrients in Brain Development For
produces the hormone, ANF that dramatically affectsHuman Love and Peace, From Touch The Future
every major system of the body. "All evidenceNewsletter, Spring 1997 9. Ainsworth, M.D.S.,
indicates that the mother's developed heart stimulates"Attachments Across the Life Span." Bulletin of the
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