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The Science of Mother Love

A growing body of scientific evidence development, and growth. It also contains
shows that the way babies are cared for many immunities a baby needs in early
by their mothers will determine not only life while her own immune system is
their emotional development, but the maturing. One more instance of mother
biological development of the child's extending her own power, (love) to her
brain and central nervous system as well. developing child.LIMBIC REGULATION: The
The nature of love, and how the capacity Loop of LoveAnother key to understanding
to love develops, has become the subject how a mother's love shapes the emerging
of scientific study over the last decade. capacities of her infant is what doctors
New data is emerging from a multitude of Thomas Lewis, Fari Amini, and Richard
disciplines including neurology, Lannon , authors of A General Theory of
psychology, biology, ethology, Love, call limbic regulation; a mutually
anthropology and neurocardiology. synchronizing hormonal exchange between
Something scientific disciplines find in mother and child which serves to regulate
common when putting love under the vital rhythms.Human physiology, they say,
microscope is that in addition to shaping does not direct all of its own functions;
the brains of infants, mother's love acts it is interdependent. It must be steadied
as a template for love itself and has far by the physical presence of another to
reaching effects on her child's ability maintain both physical and emotional
to love throughout life.To mothers health. "Limbic regulation mandates
holding their newborn babies it will come interdependence for social mammals of all
as little surprise that the 'decade of ages." says Lewis, "But young mammals are
the brain' has lead science to the wisdom in special need of it's guidance: their
of the mother's heart.According to Alan neural systems are not only immature but
Schore, assistant clinical professor in also growing and changing. One of the
the department of psychiatry and physiologic processes that limbic
biobehavioral sciences at UCLA School of regulation directs, in other words, is
Medicine, a major conclusion of the last the development of the brain itself - and
decade of developmental neuroscience that means attachment determines the
research is that the infant brain is ultimate nature of a child's mind." A
designed to be molded by the environment baby's physiology is maximally open-loop:
it encounters.1 In other words, babies without limbic regulation, vital rhythms
are born with a certain set of genetics, collapse posing great danger, even
but they must be activated by early death.The regulatory information required
experience and interaction. Schore by infants can alter hormone levels,
believes the most crucial component of cardiovascular function, sleep rhythms,
these earliest interactions is the immune function, and more. Lewis, et al
primary caregiver - the mother. "The contend that , the steady piston of
child's first relationship, the one with mother's heart along with the regularity
the mother, acts as a template, as it of her breathing coordinate the ebb and
permanently molds the individual's flow of an infant's young internal
capacities to enter into all later rhythms. They believe sleep to be an
emotional relationships." Others agree. intricate brain rhythm which the neurally
The first months of an infant's life immature infant must first borrow from
constitute what is known as a critical parents. "Although it sounds outlandish
period - a time when events are imprinted to some American ears, exposure to
in the nervous system."Hugs and kisses parents can keep a sleeping baby
during these critical periods make those alive."The Myth of IndependenceThis
neurons grow and connect properly with interdependence mandated by limbic
other neurons." Says Dr. Arthur Janov, in regulation is vital during infancy, but
his book Biology of Love. "You can kiss it's also something we need throughout
that brain into maturity."Hormones, The the rest of childhood and on into
Language of LoveIn his beautiful book, adulthood. In many ways, humans cannot be
The Scientification of Love, French stable on their own-we require others to
obstetrician Michel Odent explains how survive. Recall that our nervous systems
Oxytocin, a hormone released by the are not self-contained; they link with
pituitary gland stimulates the release of those of the people close to us in a
chemical messengers in the heart. silent rhythm that helps regulate our
Oxytocin, which is essential during physiology. This is not a popular notion
birth, stimulating contractions, and in a culture that values independence
during lactation, stimulating the 'milk over interdependence. However, as a
ejection reflex', is also involved in society that cherishes individual
other 'loving behaviors'. "It is freedoms more than any other, we must
noticeable that whatever the facet of respect the process whereby autonomy
love we consider, oxytocin is involved.' develops.Children require ongoing neural
Says Odent. "During intercourse both synchrony from parents in order for their
partners - female and male - release natural capacity for self-directedness to
oxytocin." One study even shows that the emerge. A mother's love is a continuous
simple act of sharing a meal with other shaping force throughout childhood and
people increases our levels of this 'love requires an adequate stage of dependency.
hormone'.2The altruistic oxytocin is part The work of Mary Ainsworth has shown that
of a complex hormonal balance. A sudden maternal responsiveness and close bodily
release of Oxytocin creates an urge contact lead to the unfolding of
toward loving which can be directed in self-reliance and self confidence.9
different ways depending on the presence Because our culture does not sufficiently
of other hormones, which is why there are value interpersonal relationships, the
different types of love. For example, mother/child bond is not recognized and
with a high level of prolactin, a supported as it could be.The ability of a
well-known mothering hormone, the urge to mother to read the emotional state of her
love is directed toward babies.While child is older than our own species, and
Oxytocin is an altruistic hormone and is essential to our survival, health and
prolactin a mothering hormone, endorphins happiness. We are reminded of this each
represent our 'reward system'. "Each time time a hurt child changes from sad/scared
we mammals do something that benefits the angry to peaceful in our loving embrace.
survival of the species, we are rewarded Warm human contact generates the internal
by the secretion of these morphine-like release of opiates, making mother's love
substances." Says Odent.During birth a powerful anodyne. Even teenagers who
there is also an increase in the level of sometimes behave as if they are 'so over'
endorphins in the fetus so that in the the need for a mother's affection must be
moments following birth both mother and kept in the limbic loop. Children at this
baby are under the effects of opiates. age might be at special risk for falling
The role of these hormones is to through the emotional cracks. If they
encourage dependency, which ensures a don't get the emotional regulation that
strong attachment between mother and family relationships are designed to
infant. In situations of failed provide, their hungry brains may seek
affectional bonding between mother and ineffectual substitutes like drugs and
baby there will be a deficiency of the alcohol.Children left too long under the
appropriate hormones, which could leave a electronic stewardship of television,
child susceptible to substance abuse in video games, etc., are not receiving the
later life as the system continually steady limbic connection with a resonant
attempts to right itself.3 You can say no parent. Without this a child cannot
to drugs, but not to neurobiology. Human internalize emotional balance
brains have evolved from earlier mammals. properly.Our hearts and brains are
The first portion of our brain that hardwired for love, and from infancy to
evolved on top of its reptilian heritage old age our health and happiness depend
is the limbic system, the seat of on receiving it.As the research keeps
emotion. It is this portion of the brain coming in and we gain a gradually
that permits mothers and their babies to expanding vision of how mother love
bond. Mothers and babies are hardwired shapes our species, we see an obvious
for the experience of togetherness. The need to take steps to protect and provide
habits of breastfeeding, co-sleeping, and for the mother/child bond. We can take
babywearing practiced by the majority of! heart knowing that all the while we carry
mothers in non-industrialized cultures, in our genes over a million years of
and more and more in our own, facilitate evolutionary refinements equipping us for
two of the main components needed for our role as mothers. The answers sought
optimal mother/child bonding: proximity by science beat steadily within our own
and touch.PROXIMITY, Between Mammals, the hearts.Notes 1. Schore, Alan, Effects of
Nature of Love is Heart to HeartIn many a Secure Attachment Relationship on Right
ways it's obvious why a helpless newborn Brain Development, Affect Regulation, and
would require continuous close proximity Infant Mental Health, 2001 2.Verbalis,
to a caregiver; they're helpless and J.G., McCann, McHale and Stricker,
unable to provide for themselves. But 'Oxytocin secretion in response to
science is unveiling other less obvious cholecystoknin and food: differentiation
benefits of holding baby close. Mother of nausea from satiety.' Science 1986,
child bonding isn't just for brains, but 232: 1417-19 3. Prescott, James W., PhD,
is also an affair of the heart. In his Breastfeeding: Brain Nutrients in Brain
1992 work, Evolution's End, Joseph Development For Human Love and Peace,
Chilton Pearce describes the dual role of From Touch The Future Newsletter, Spring
the heart cell, saying that it not only 1997 4. Prescott, James W., PhD, The
contracts and expands rhythmically to Origins of Human Love and Violence, From
pump blood, it communicates with its Pre and Perinatal Psychology Journal,
fellow cells. "If you isolate a cell from Volume 10, #3: Spring 1996 5. Henry Holt,
the heart, keep it alive and examine it 1997 6. Prescott, James W. , Ph.D , Rock
through a microscope, you will see it A Bye Baby, Time Life Documentary, 1970,
lose it's synchronous rhythm and begin to Executive Producer: Lothar Wolff,
fibrillate until it dies. If you put Scientific Consultant. (last modified
another isolated heart cell on that 2001/04/16). 7. Montagu, Ashley Touching
microscopic slide it will also fibrillate : The Human Significance of the Skin,
. If you move the two cells within a Harper, 1986 8. Prescott, James W., PhD,
certain proximity, however , they Breastfeeding: Brain Nutrients in Brain
synchronize and beat in unison." Perhaps Development For Human Love and Peace,
this is why most mothers instinctively From Touch The Future Newsletter, Spring
place their babies to their left breast, 1997 9. Ainsworth, M.D.S., "Attachments
keep! ing those hearts in proximity. The Across the Life Span." Bulletin of the
heart produces the hormone, ANF that New York Academy of Medicine 61,
dramatically affects every major system 1985ReferencesCarmichael, M.S.,
of the body. "All evidence indicates that Warburton, V.L., Dixen, J., and Davidson,
the mother's developed heart stimulates J.M. (1994). Relationships among
the newborn heart, thereby activating a cardiovascular, muscular, and oxytocin
dialogue between the infant's brain-mind responses during human sexual activity.
and heart." says Pearce who believes this Archives of Sexual Behavior. Feb.
heart to heart communication activates 23(1):59-79.Carter, C.S., Willams, J.R.,
intelligences in the mother also. "On Witt, D.M., Insel, T;;.R. (1992).
holding her infant in the left-breast Oxytocin and social bonding. Annals of
position with its corresponding heart the New York Academy of Sciences. Jun 12.
contact, a major block of dormant 652:204-211.Castrogiovanni, P., Capone,
intelligences is activated in the mother, M.R., Maremmani, I. and Marazziti, D.
causing precise shifts of brain function (1994). Platelet serotonergic markers and
and permanent behavior changes." In this aggressive behaviour in healthy subjects.
beautiful dynamic the infant's system is Neuropsychobiology. 29(3):105-107.Cook,
activated by being held closely; and this P.S. (1996). Early Child Care: Infants &
proximity also stimulates a new Nations At Risk. News Weekly Books
intelligence in the mother, which helps MelbourneFazzolari-Nesci, A., Domianello,
her to respond to and nurture her infant. D., Sotera, V. and Raiha, N.C. (1992).
Pretty nifty plan - and another good Tryptophan fortification of adapted
reason to aim for a natural birth. If formula increaes plasma tryptophan
nature is handing out intelligence to concentrations to levels not different
help us in our role as mothers we want to from those found in breast-fed infants.
be awake ! and alert!TOUCH"The easiest J. Pediatric Gastroenterology and
and quickest way to induce depression and Nutrition. May. 14(4): 456-459.Ferris,
alienation in an infant or child is not C.F., Foote, K.B., Melster, H.M., Plenby,
to touch it, hold it, or carry it on your M.G., Smith, K.L., Insel, T.R. (1992).
body." - James W. Prescott, PhDResearch Oxytocin in the amygdala facilitates
in neuroscience has shown that touch is maternal aggression. Annals of the New
necessary for human development and that York Academy of Sciences. June 12.
a lack of touch damages not only 652:456-457.Gutkowska, J.,
individuals, but our whole society. Human Antunes-Rodrigues, J. and McCann,
touch and love is essential to health. A S.M.'Atrialnatriuretic peptide in brain
lack of stimulus and touch very early on and pituitary gland.' Physiological
causes the stress hormone, cortisol to be Review 1997; 77; 2:465-515Higley, J.D.,
released which creates a toxic brain Suomi, S.J., Linnoila, M. (1990).
environment and can damage certain brain Parallels in Aggression and Serotonin:
structures. According to James W. Consideration of Development, Rearing
Prescott, PhD, of the Institute of History, and Sex Differences. In:
Humanistic Science, and former research Violence and Suicidality: Perspectives In
scientist at the National Institute of Clinical and Psychobiological Research
Child Health and Human Development, (Herman van Praag, Robert Plutchik and
sensory deprivation results in behavioral Alan Apter, Eds) NY: Brummer
abnormalities such as depression, impulse Mazel.Higley, J.D., Hasert, M.F., Suomi,
dyscontrol, violence, substance abuse, S.J. and Linnoila, M. (1991). Nonhuman
and in impaired immunological functioning primate model of alcohol abuse: Effects
in mother deprived infants.4 For over a of early experience, personality, and
million years babies have enjoyed almost stress on alcohol consumption.Proc. Natl.
constant in-arms contact with their Acad. Sci. USA V. 88, 7261-7265.Insel,
mothers or other caregivers, usually T.R. (1992). Oxytocin--a nuropeptide for
members of an extended family, receiving affiliation: evidence from behavioral,
constant touch for the first year or so receptor autoradiographic, and
of life. "In nature's nativity scene, ! comparative studies.
mother's arms have always been baby's Psychoneuroendocrinology.
bed, breakfast, transportation, even 17(1):3-35.Kamimura, S., Eguchi, K.,
entertainment, and, for most of the Sekiba, K. (1991). Tryptophan and its
world's babies, they still are." says metabolite concentrations in human plasma
developmental psychologist, Sharon Heller and breast milk during the perinatal
in, The Vital Touch: How Intimate Contact period. Acta Medica Okayama. April
With Your Baby Leads to Happier, 45(2):101-106.Lanting, D.I., Fidler, V.
Healthier Development.5To babies,touch = Huisman, M., Touwen, B.C., Boersma, E.R.
love and fully loved babies develop (1994). Neurological differences between
healthy brains. During the critical 9-year old children fed breast-milk or
period of development following birth the formula-milk as babies. (1994). Lancet.
infant brain is undergoing a massive Nov 12 344(8933):1319-22.Mahalati, K.,
growth of neural connections. Synaptic Okanoya, K., Witt, D.M., Carter, C.S.
connections in the cortex continue to (1991). Oxytocin inhibits male sexual
proliferate for about two years, when behavior in prairie voles. Pharmacology,
they peak. During this period one of the Biochemistry and Behavior. May.
most crucial things to survival and 39(1)219-22Murphy, M.R. Checkley, s.A.,
healthy development is touch. All mammal Secki, J.R., Lightman, S.L. (1990).
mothers seem to know this instinctively, Naloxone inhibits oxytocin release at
and, if allowed to bond successfully with orgasm in man. (1990). J. of Clinical
their babies they will provide continuous Endocrinology and Metabolism. Oct.
loving touch.Touch deprivation in infant 71(4):1056-1058.Neuringer, M. (1993).
monkeys is so traumatic their whole Cerebral cortex docosahexaenoic acid is
system goes haywire, with an increase of lower in formula-fed than in breast-fed
stress hormones, increased heart rate, infants.Nutrition Reviews. August
compromised immune system and sleep 51(8):238-41.Newman, J. (1995). How
disturbances.6With only 25% of our adult Breast Milk Protects Newborns. Scientific
brain size, we are the least mature at American. December.Prescott, J.W. (l979):
birth of any mammal. Anthropologist, Deprivation of physical affection as a
Ashley Montagu concluded that given our primary process in the develop- ment of
upright position and large brains, human physical violence. In. Child Abuse and
infants are born prematurely while our Violence (Gil, D. G., Ed). AMS
heads can still fit through the birth PressPrescott, J.W. (1996). The Origins
canal, and that brain development must of Human Love and Violence. Pre- and
therefore extend into postnatal life. He Perinatal Journal of Psychology. 10
believed the human gestation period to (3):143-188Prescott, J.W. (2001)
actually be eighteen months long - nine America's Lost Dream: Life, Liberty And
in the womb and another nine outside it, the Pursuit of Happiness. The Association
and that touch is absolutely vital to for Prenatal and Perinatal Psychology and
this time of "exterogestation."7Newborns Health 10th International Congress: Birth
are born expecting to be held, handled, - The Genesis of Health.Raine, A.,
cuddled, rubbed, kissed, and maybe even Brennan, P. and Mednick, S.A. (1994).
licked! All mammals lick their newborns Birth complication combined with early
vigorously, off and on, during the first maternal rejection at Age 1 year
hours and days after birth in order to predispose to violent crime at age 18
activate their sensory nerve endings, years. Arch. Gen. Psych.
which are involved in motor movements, V51:984-988.Salk,L., Lipsitt, L.P.,
spatial, and visual orientation. These Sturner, W.Q., Reilly, B.M. and Levate,
nerve endings cannot be activated until R.HJ. (1985). Relationship of maternal
after birth due to the insulation of the and perinatal conditions to eventual
watery womb environment and the coating adolescent suicide. The Lancet. March
of vernix casseus on the baby's 15.Uauy, R. and De Andraca, I. (1995).
skin.Recall Dr. Janov's claim that you Human milk and breast feeding for optimal
can kiss a brain into maturity. Janov mental development. J. of Nutrition.
believes that very early touch is central August 125(8 Suppl):2278S-2280S.Werner,
to developing a healthy brain. E. and Smith, R.S. (1992). Overcoming the
"Irrespective of the neurojuices odds. High Risk Children from Birth to
involved, it is clear that lack of love Adulthood. Cornell University Press.
changes the chemicals in the brain and Ithaca and London.Winslow, J.T. and
can eventually change the structure of Insel, T.R. (1991). Social status in
that brain."BREASTFEEDING: Liquid pairs of male squirrel monkeys determines
LoveBreastfeeding neatly brings together the behavioral response to central
nourishment for baby with the need for oxytocin administration. J. of
closeness shared by mother and child; and Neuroscience. Jul
is another crucial way that mother's love 11(7):2032-2038.Winslow, J.T., Hastings,
helps shape baby's brain. Research shows N., Carter, C.S., Harbaugh, C.R., Insel,
that breastmilk is the perfect "brain T.R. (1993). A role for central
food", essential for normal brain vasopressin in pair bonding in monogamous
development, particularly, those brain prairie voles. Nature. Oct 7.
processes associated with depression, 365(6446):545-548.Winslow, J.T., Shapiro,
violence, and social and sexual L., Carter, C.S., Insel, T.R. (1993).
behaviors.8Mother's milk, a living Oxytocin and complex social behavior:
liquid, contains just the right amount of species comparisons. Psychopharmacology
fatty acids, lactose, water, and amino Bulletin. 29(3):409-414.
acids for human digestion, brain




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