Chapter 5: Fetal Sensorimotor Development Flashcards
Trimester that motor end plates form?
2nd
Trimester that fetus will startle to light
2nd
Trimester that MORO appears
3rd
Trimester that crossed extension appears
3rd
Trimester that sucking/hiccuping appears
1st
Trimester that visual fixation and ability to focus occur
3rd
Trimester that some muscles are mature and others are still developing
3rd
Trimester that taste buds develop
1st
Trimester that some nasal perception appears
3rd
Trimester that symmetrical and reciprocal movements appear
2nd
Trimester that positional changes appear
1st
Trimester that fetus will turn to auditory sounds
2nd
Trimester that olfactory perception appears
3rd
Trimester that optic nerve and cup are formed
1st
Trimester that sleep states appear
2nd
Trimester that quick generalized limb movements appear
1st
Trimester that fetal breathing begins
1st
Trimester that fetus can differentiate between tastes
3rd
Trimester that plantar and palmar grasp appear?
3rd
Trimester that grasp reflex appears?
2nd
Trimester that primitive motor reflex appear?
3rd
Trimester that fetus will respond to tactile stimulus?
1st
Trimester that tactile receptors differentiate
2nd
What is the most mature sensory system at birth?
Touch
What system is functioning at the end of the 1st trimester?
Vestibular
Trimester that begin to see positional changes?
1st
Normal gestational period
38-42 weeks
During what period are innate tactile, proprioceptive, and vestibular reactions acquired?
Prenatal
Systems that lay foundation for postural control with help develop a steady visual system (3)?
Visual
Proprioceptive
Vestibular
0-6 mo
Systems that lay foundation for development of somatosensory system (2)?
Tactile
Proprioceptive
0-6 mo
Systems that lay foundation for eye-hand coordination (2)?
Visual
Tactile
0-6 mo
System perceptions that help with motor planning and fine motor skill development (2)?
Proprioception
Tactile
6-12 mo
System responses that lead to meeting and crossing midline skills (2)?
Proprioception
Tactile
6-12 mo
Systems perceptions that help with development of sounds for the purpose of communication (3)?
Auditory
Tactile
Proprioceptive
6-12 mo
Systems perceptions that help with self-feeding skills development (4)?
Tactile
Proprioceptive
Gustatory
Olfactory
6-12 mo
System that helps with developing more precise discrimination and fine motor skills?
Tactile
13-24 mo
When do primitive reflexes typically appear and disappear?
Appear: at or right before birth
Disappear: about 1 year old
If primitive reflexes are persistent or re-emerging, what is that indicative of?
CNS dysfunction
Rooting Reflex
28 weeks to 3 months
Stroke the corner of the mouth, upper lip, and lower lip
Movement of the tongue, mouth, and/or head toward the stimulus
Suck-Swallow Reflex
28 weeks to 2-5 months
Place finger in mouth at midline
Strong rhythmic sucking
Traction Reflex
28 to 2-5 months
Grasp infant’s forearms and pull to sit
Complete flexion of UE
Moro Reflex
28 weeks to 4-6 months
Rapidly drop the infants head backwards
Initial arm extension and abduction and hand opening; then arm flexion and adduction
Plantar Grasp Reflex
28 weeks to 9 months
Apply pressure to the infant’s ball of foot
Toe flexion
Galant Reflex
32 weeks to 2 months
Hold infant in prone and gently scratch or tap along spine from shoulder to buttocks
Lateral trunk flexion and wrinkling of skin on stimulated side
Asymmetric Tonic Neck Reflex (ATNR)
37 weeks to 4-6 months
fully rotate infants head to one side and hold for 5 seconds
Extension of extremities on face side and flexion of extremities on the skull side
**Promotes visual hand regard
Palmar Grasp Reflex
37 weeks to 4-6 months
Place finger in the palm
Finger flexion
Tonic Labyrinthe Supine
> 37 weeks to 6 months
Place infant in supine
Increased extensor tone
Tonic Labyrinthe Prone
> 37 weeks to 6 months
Place infant in prone
Increased flexor tone
Labyrinthe/Optical Head Righting
> 37 weeks to persistent
Hold suspended in vertical and tilt slowly to any side
Upright positioning of the head
Landau Reflex
3-4 months old to 12-14 months
Hold infant in horizontal prone suspension
Complete extension of head/trunk/extremities
Symmetric Tonic Neck Reflex
4-6 months old to 8-12 months
place infant in crawling position and extend the head
Flexion of the hips and knees
Neck Righting Reflex (NOB)
4-6 months to 5 years
Place in supine and fully turn head to one side
Log rolling of the entire body to maintain alignment with the head
Body Righting Reflex (BOB)
4-6 months to 5 years
Place in supine, flex one hip/knee towards chest and hold briefly
Segmented rolling of the upper trunk to maintain alignment
Downward Parachute (Protective Extension Downward) Reflex
4 months to Persist
Rapidly lower infant toward supporting surface while suspended vertically
Extension of lower extremities
Forward Parachute Reflex
6-9 months to Persist
suddenly tilt infant fwd while suspended vertically
sudden extension of the UE, hand opening, and neck extension
Sideward Parachute Reflex
7 months to Persist
Quickly but firmly tip to the side while in sitting
Arm extension and abduction to the side
Backward Parachute Reflex
9-10 months to Persist
quickly but firmly tip backwards
backward arm extension
Prone Tilting Reflex
5 months to persist
after positioning infant in prone, slowly raise one side of the supporting surface
Curving of the spine toward the raised side; abduction and extension of the arms and legs
Supine Tilting and Sitting Tilting Reflex
7-8 months to persist
after positioning infant in supine or sitting, slowly raise one side of the supporting surface
Curving of the spine toward the raised side; abduction and extension of the arms and legs
Quadruped Tilting Reflex
9-12 months to Persist
after positioning infant in all fours, slowly raise one side of the supporting surface
Curving of the spine toward the raised side; abduction and extension of the arms and legs
Standing Tilting Reflex
12-21 months to Persist
after positioning infant in standing, slowly raise one side of the supporting surface
Curving of the spine toward the raised side; abduction and extension of the arms and legs
At what age do infants create equilibrium reactions in prone?
5-6 mo
At what age do infants create equilibrium reactions in supine?
7-8 mo
At what age do infants start bringing hands/feet to mouth?
5 to 6 mo
At what age does head lag disappear when pulling to sit while in supine?
5 to 6 mo
At what age does an infant pivot in prone and move from prone to sitting?
7 to 8 mo
At what age do infants roll from supine to side?
3 to 4 mo
At what age do infants roll from prone to supine?
5 to 6 mo
At what age do infants crawl on belly?
7 mo
At what age do infants creep on hands and feet?
10-11 mo
At what age do infants support self in sitting?
5 to 6 mo
At what age do infants sit well with no support?
8 to 10 mo
At what age do stand while supported holding onto furniture?
5 to 10 mo
At what age do infants pull to stand using furniture?
6 to 12 mo
At what age do infants transfer objects between hands?
4 to 8 mo
At what age do infants bring fingers to midline
4 mo
At what age does volitional release occur
7 to 9 mo
At what age does clumsy release into a small container occur?
10-14 mo
At what age does precise controlled release with wrist extended occur?
12-15 mo
At what age do infants start raking and contacting objects?
6 mo
At what age do infants develop a scissor grasp?
8 mo
At what age do infants develop a pincer grasp?
10 mo
At what age do infants develop a fine pincer grasp?
12 mo
At what age do infants develop a primitive squeeze grasp?
4 mo
At what age do infants develop a palmar grasp
4-5 mo (mostly 5 mo)
At what age do infants develop a radial-palmar grasp?
6 mo
At what age do infants develop a radial digital grasp with open webspace?
8 to 9 mo
At what age do infants use two different hands for very different functions
2.5 yo
At what age do babies begin to use hands for 2 different functions
12 to 18 mo
At what age does finger to palm translation emerge (such as picking up small coins)?
12-15 mo
At what age does palm to finger translation emerge (such as putting coins into a slot)?
2-2.5 yo
At what age does shift manipulation skills emerge ( a linear movement of an object on the finger surfaces to allow for repositioning of objects in fingerpads for rolling dough or shifting a marker?)
3-6 yo depending on the skill
At what age does simple rotation manipulation skills occur (turning/rolling of an object held at the finger pads appx 90 degrees or less i.e. unscrewing a small bottle cap)?
2 to 2.5 yo
At what age does complex rotation manipulation skills occur (the rotation of something 360 degrees i.e. turning a pencil over to erase)?
6 to 7 y/o
At what age does in hand manipulation with stabilization occur?
6 to 7 y/o
At what age does palmar supinate grasp occur?
1-1.5 y/o
At what age do digital pronate grasp occur?
2-3 y/o
At what age does static tripod posture occur
3.5 to 4 y/o
At what age does dynamic tripod posture occur?
4.5 to 6 y/o
At what age does a child snip with scissors
2-3 y/o
At what age does a child cut on a line
3-4 y/o
At what age does a child cut out simple geometric shapes?
3-4 y/o
At what age does a child cut simple figure shapes?
4-6 y/o
At what age does a child cut complex figure shapes?
6-7 y/o