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Toddler Source: en.wikipedia.org/wiki/Toddler

A toddler is a child approximately 12 to 36 months old, though definitions vary.[1][2][3] The toddler years are a time of great cognitive, emotional and social development. The word is derived from "to toddle", which means to walk unsteadily, like a child of this age.[4]

Developmental milestones[edit]

Normal vital parameters of toddlers
Blood Pressure
(mmHg)
Systolic 80–110[5]
Diastolic 50–80[5]
Heart rate (BPM) 90–140[5]
Respiratory rate 20–40[5]
Painting from 1892 of an infant learning to walk, taking their first independent steps (typically in the months after their first birthday) is often seen as one of the major milestones in the early years of a child's life.[6]

Toddler development can be broken down into a number of interrelated areas.[7] There is reasonable consensus about what these areas may include:

  • Physical: growth or an increase in size.
  • Gross motor: the control of large muscles which enable walking, running, jumping and climbing.
  • Fine motor: the ability to control small muscles; enabling the toddler to feed themselves, draw and manipulate objects.
  • Vision: the ability to see near and far and interpret what is seen.
  • Hearing and speech: the ability to hear and receive information and listen (interpret), and the ability to understand and learn language and use it to communicate effectively.[8]
  • Social: the ability to interact with the world through playing with others, taking turns and fantasy play.

Although it is useful to chart defined periods of development, it is also necessary to recognize that development exists on a continuum, with considerable individual differences between children.[9][10] There is a wide range of what may be considered 'normal' development. However, according to experts, there are specific milestones that should be achieved by certain ages and stages in life in order to properly grow and develop.[11] Medical experts also point out that children develop in their own time and suggest that carers should not worry too much if a child fails to reach all the milestones for their age range. Premature birth or illness during infancy may also slow down a young child's development.[12]

Below follows a rough breakdown of the kinds of skills and attributes which young children can be expected to have developed by different points during the toddler period. Citations for the information given are provided here.[13]

Aspects One year old Months after first birthday 18 months old Two years old Two and half years old
Physical and motor
  • Triple the birth weight
  • Grow to a height of 50% over the birth length
  • Have a head circumference equal to that of the chest
  • Have one to eight teeth
  • Pull to stand
  • Walk with help or alone
  • Sit down without help
  • Bang two blocks together
  • Turn through the pages of a book by flipping many pages at a time
  • Have a pincer grasp
  • Sleep 8–10 hours a night and take one to two naps
  • Walks well alone with wide based gait
  • Creeps upstairs
  • Builds with blocks
  • Drinks from a cup, uses a spoon
  • Enjoys throwing objects and picking them up
  • Walks sideways and backwards, runs well, falls easily
  • Climbs stairs or up on furniture
  • Scribbles vigorously, attempting a straight line
  • Drinks well from a cup, still spills with a spoon
  • Weight: about 11–13 kg
  • Height: about 80–82 cm
  • Teeth: 12 temporary
  • Gross motor skills are quite well refined, can walk up and down stairs on both feet with one step at a time while holding on to a rail
  • Builds tower of five cubes
  • Control of spoon well-developed
  • Toilet trained during day time
  • Teeth: full set of 20 temporary
  • Decreased need for naps
Intellectual and social
  • Follows a fast moving object
  • Can respond to sounds
  • Responds to his or her name
  • Understands several words
  • Can say mama, papa, and at least one or two other words
  • Understands simple commands
  • Tries to imitate animal sounds
  • Connects names with objects
  • Understands that objects continue to exist, even when they are not seen (object permanence)
  • Points to objects with index finger
  • Waves bye bye
  • May develop an attachment to a toy or object
  • Experiences separation anxiety and may cling to parents
  • May make brief journeys away from parents to explore in familiar settings
  • Can use 10-15 words
  • Says "no" (see holophrasis)
  • Indicates when diaper is wet
  • Vocabulary of about 350 words
  • Obeys simple commands
  • Helps undress self and put on simple clothes
  • Shows sign of increased autonomy and individuality
  • Does not share possessions—everything "mine" as in the "Toddler's Creed"[14]
  • Begins to see self as separate individual; may still see other children as "objects"

Early milestones and intelligence[edit]

It has long been known that markedly late achievement of developmental milestones is related to intellectual or physical disabilities. However, it was thought for a long time that within the general population no relationship between the age of passing developmental milestones and later intelligence is seen. It was only more recently discovered that early passing of developmental milestones indicates in general a higher level of intelligence. A study from 2007 based on more than 5,000 children born in the United Kingdom in 1946 showed that for every month earlier a child learned to stand, there was a gain of one half of one intelligence quotient point at age 8.[15] Also a later 2018 study found a relationship between milestone achievement and intelligence in adulthood (in this case, the milestone used was being able to name objects/animals in pictures at less than 18 months, 18-24 months, and later than 24 months).[16] The IQ of children who were able to form a sentence at less than 24 months of age averaged 107 points, whereas children who were able to form a sentence later than 24 months of age in young adulthood (20-34 years old) had an average IQ of 101.[17] Early passing developmental milestones and the head circumference up to the age of 3 years explained about 6% of variance in IQ in adulthood. In comparison, parental socioeconomic status and the child's sex explained about 23% of the variance in IQ.[18] However, experts advise against rushing children through milestones, as long as they’re reaching them within a normal range.[19]

Toilet training[edit]

A simply designed potty, a place for young children who are first learning how to use the toilet to relieve themselves.
  1. Readiness: The Azrin and Foxx method of toilet training introduced the first set of objective criteria for determining whether a child is prepared to begin toilet training. The child should be physiologically and psychologically capable. Physiologic preparedness describes the ability of the child to perform tasks necessary for toilet training such as controlling their anal and urethral sphincter, sitting upright, and walking. Psychological readiness describes the child's motivation to become toilet trained and their ability to understand and follow directions.[20]
  2. Process training.[21]
  3. Parental response.

Squatting[edit]

Young children squat instinctively as a continuous movement from standing up whenever they want to lower themselves to ground level. One- and two-year-olds can commonly be seen playing in a stable squatting position, with feet wide apart and bottom not quite touching the floor, although at first they need to hold on to something to stand up again.[22]

Language[edit]

Talking is the next milestone of which parents are typically aware. A toddler's first word often occurs around 12 months, but this is only an average.[23] The child will then continue to steadily add to his or her vocabulary until around the age of 18 months when language increases rapidly. He or she may learn as many as 7–9 new words a day. Around this time, toddlers generally know about 50 words. At 21 months is when toddlers begin to incorporate two word phrases into their vocabulary, such as "I go", "mama give", and "baby play".[citation needed] Before going to sleep they often engage in a monologue called crib talk in which they practice conversational skills. At this age, children are becoming very proficient at conveying their wants and needs to their parents in a verbal fashion.

"If I want it, it's mine.
If I give it to you and change my mind later, it's mine.
If I can take it away from you, it's mine.
If I had it a little while ago, it's mine.
If it's mine it will never belong to anyone else, no matter what.
If we are building something together, all the pieces are mine.
If it looks like mine, it's mine."
Poem about the social lives of young children written by Burton L. White in his Raising a Happy, Unspoiled Child[14]

Emotions and self-image[edit]

Children can express positive emotions through smiles and laughter from early on in infancy
Before and in the early stages of developing verbal communication children often struggle to communicate negative emotions in ways other than tearfulness.

There are several other important milestones that are achieved in this time period that parents tend not to emphasize as much as walking and talking. Gaining the ability to point at whatever it is the child wants you to see shows huge psychological gains in a toddler. This generally happens before a child's first birthday.[citation needed]

This age is sometimes referred to as "the terrible twos",[24] because of the temper tantrums for which they are famous. This stage can begin as early as nine months old depending on the child and environment. Toddlers tend to have temper tantrums because they have such strong emotions but do not know how to express themselves the way that older children and adults do.[25] Immediate causes can include physical factors such as hunger, discomfort and fatigue or a child's desire to gain greater independence and control of the environment around them.[26] The toddler is discovering that they are a separate being from their parent and are testing their boundaries in learning the way the world around them works. Although the toddler is in their exploratory phase, it is also important to understand that the methods used by the parents for communicating with the toddler can either set off a tantrum or calm the situation.[27][28] Research has shown that parents with histories of maltreatment, violence exposure, and related psychopathology may have particular difficulty in responding sensitively and in a developmentally appropriate manner to their toddlers' tantrums and thus may benefit from parent-child mental health consultation.[29][30] This time between the ages of two and five when they are reaching for independence repeats itself during adolescence.[citation needed]

Self-awareness is another milestone that helps parents understand how a toddler is reacting. Around 18 months of age, a child will begin to recognize himself or herself as a separate physical being with his/her own thoughts and actions.[citation needed] A parent can test if this milestone has been reached by noticing if the toddler recognizes that their reflection in a mirror is in fact themselves. One way to test this is the rouge test: putting lipstick on the child's face and showing them their own reflection. Upon seeing the out-of-the-ordinary mark, if the child reaches to his or her own face, the child has achieved this important milestone. Along with self recognition comes feelings of embarrassment and pride that the child had not previously experienced.[citation needed]

See also[edit]

References[edit]

  1. ^ "toddler". The Free Dictionary.
  2. ^ Barker R (2001). The Mighty Toddler: The essential guide to the toddler years. Sydney: Pan Macmillan Australia. p. 1.
  3. ^ Lieberman AF (1993). The Emotional Life of the Toddler. New York: The Free Press. p. 1.
  4. ^ Brown S (December 19, 2015). "What Is the Definition of a Toddler?". verywell.com. About, Inc. Retrieved November 13, 2016. The term toddler comes from the way that children first walk, which is at first unsteady and more like a toddle than actual walking.
  5. ^ a b c d PEDIATRIC AGE SPECIFIC, page 6. Revised 6/10. By Theresa Kirkpatrick and Kateri Tobias. UCLA Health System
  6. ^ Lewsley, Joanne (February 2019). "Developmental milestones: walking".{{cite web}}: CS1 maint: url-status (link)
  7. ^ Barker, Robin (2001) The Mighty Toddler: The essential guide to the toddler years, Pan Macmillan Australia, Sydney, p19.
  8. ^ "Age-Appropriate Speech and Language Milestones". Stanford Children’s Health. Retrieved 2020-10-08.
  9. ^ Fischer KW, Silvern L (February 1985). "Stages and Individual Differences in Cognitive Development". Annual Review of Psychology. 36: 613–648. doi:10.1146/annurev.ps.36.020185.003145.
  10. ^ Jaeger G (20 February 2019). "Your Child's Developmental Milestones: Why it's 'Normal' to be Different". Retrieved 2020-10-08.
  11. ^ Toddler growth, Gold Learners
  12. ^ "Child Development". KIDS- Child development website associated with NHS Greater Glasgow and Clyde. 17 December 2017.{{cite web}}: CS1 maint: url-status (link)
  13. ^ Feigelman S. The first year. In: Kliegman RM, Behrman RE, Jenson HB, Stanton BF, eds. Nelson Textbook of Pediatrics. 18th ed. Philadelphia, Pa: Saunders Elsevier; 2007: chapter 8 quoted in Developmental milestones record - 12 months MedlinePlus Medical Encyclopedia
  14. ^ a b White BL (1995). Raising a Happy, Unspoiled Child. Simon and Schuster [Fireside Book]. p. 161.
  15. ^ Murray GK, Jones PB, Kuh D, Richards M (August 2007). "Infant developmental milestones and subsequent cognitive function". Annals of Neurology. 62 (2): 128–36. doi:10.1002/ana.21120. PMC 3465788. PMID 17487877.
  16. ^ Flensborg-Madsen T, Mortensen EL (August 2018). "Developmental milestones during the first three years as precursors of adult intelligence". Developmental Psychology. 54 (8): 1434–1444. doi:10.1037/dev0000545. PMID 30047773. S2CID 51718533.
  17. ^ Flensborg-Madsen T, Mortensen EL (March 2018). "Associations of Early Developmental Milestones With Adult Intelligence". Child Development. 89 (2): 638–648. doi:10.1111/cdev.12760. PMID 28198006.
  18. ^ Flensborg-Madsen T, Falgreen Eriksen HL, Mortensen EL (2020-01-28). "Early life predictors of intelligence in young adulthood and middle age". PLOS ONE. 15 (1): e0228144. Bibcode:2020PLoSO..1528144F. doi:10.1371/journal.pone.0228144. PMC 6986721. PMID 31990952.
  19. ^ "Early Milestones, Smarter Child?". Retrieved 2021-06-20.
  20. ^ Klassen TP, Kiddoo D, Lang ME, Friesen C, Russell K, Spooner C, Vandermeer B (December 2006). "The effectiveness of different methods of toilet training for bowel and bladder control". Evidence Report/Technology Assessment (147): 1–57. PMC 4781561. PMID 17764212.
  21. ^ "The Complete Toilet Learning Guide | The SOEL Way". SOEL. 2018-04-23. Retrieved 2020-09-07.
  22. ^ Slentz K, Krogh S Early Childhood Development and Its Variations (2001)
  23. ^ "Child talking timeline". babycentre.
  24. ^ "The Terrible Twos Explained - Safe Kids (UK)". Safe Kids. Retrieved 2010-12-08.
  25. ^ Kuersten-Hogan R, McHale JP (1998). "Talking About Emotions During the Toddler Years and Beyond: Mothers' and Fathers' Coaching of Children's Emotion Understanding". Infant Behavior and Development. 21: 514. doi:10.1016/s0163-6383(98)91727-1. ISSN 0163-6383.
  26. ^ "Temper Tantrums (for Parents) - Nemours KidsHealth". kidshealth.org. Retrieved 2020-11-29.
  27. ^ Fields MA, Cole PM, Maggi MC (April 2017). "Toddler Emotional States, Temperamental Traits, and Their Interaction: Associations with Mothers' and Fathers' Parenting". Journal of Research in Personality. 67: 106–119. doi:10.1016/j.jrp.2016.05.007. PMC 5415346. PMID 28479643.
  28. ^ "Toddlers World". Archived from the original on 2011-02-07.
  29. ^ Gudmundson JA, Leerkes EM (February 2012). "Links between mothers' coping styles, toddler reactivity, and sensitivity to toddler's negative emotions". Infant Behavior & Development. 35 (1): 158–66. doi:10.1016/j.infbeh.2011.07.004. PMC 3245338. PMID 21903276.
  30. ^ Schechter DS, Moser DA, Wang Z, Marsh R, Hao X, Duan Y, et al. (November 2012). "An fMRI study of the brain responses of traumatized mothers to viewing their toddlers during separation and play". Social Cognitive and Affective Neuroscience. 7 (8): 969–79. doi:10.1093/scan/nsr069. PMC 3501701. PMID 22021653.

External links[edit]

  • Media related to Toddlers at Wikimedia Commons
  • The dictionary definition of toddler at Wiktionary
  • The dictionary definition of toddlerhood at Wiktionary
Preceded by Stages of human development
Toddlerhood
Succeeded by