|
Brain Stage |
Time Frame |
Visual Competence |
Auditory Competence |
Tactile Competence |
|
VII Sophisticated Cortex |
Superior 36 mon.
Average 72 mon.
Slow 144 mon. |
Reading with total understanding |
Understanding of complete vocabulary & proper sentences |
Tactile Identification of objects |
|
VI Primitive Cortex |
Superior 18 mon.
Average 36 mon.
Slow 72 mon. |
Identification of visual symbols and letters within experience |
Understanding of 2000 words and simple sentences |
Ability to determine characteristics of objects by tactile means |
|
V Early Cortex |
Superior
9 mon. Average 18 mon.
Slow 36 mon. |
Differentiation of similar but unlike simple visual symbols |
Understanding of 10 to 25 words and two couplets |
Tactile differentiation of similar but unlike objects |
|
IV Initial Cortex |
Superior 6 mon.
Average 12 mon.
Slow 24 mon. |
Convergence of vision resulting in simple depth perception |
Understanding of two words of speech |
Tactile understanding of the third dimension in objects which appear to be flat |
|
III Midbrain and Subcortical Areas |
Superior 3.5 mon.
Average 7 mon.
Slow 14 mon. |
Appreciation of detail within a configuration |
Appreciation of meaningful sounds |
Appreciation of gnostic sensation |
|
II Brain Stem and Early Subcortical Areas |
Superior 1 mon.
Average 2.5 mon.
Slow 5 mon. |
Outline perception |
Vital response to threatening sounds |
Perception of vital sensation |
|
I Early Brain Stem and Cord |
Superior Birth to .5 mon.
Average Birth to 1 mon.
Slow Birth to 2 mon. |
Light reflex |
Startle reflex |
Babinski reflex |
|
Brain Stage |
Time Frame |
Mobility Competence |
Language Competence |
Manual Competence |
|
VII Sophisticated Cortex |
Superior 36 mon.
Average 72 mon.
Slow 144 mon. |
Using a leg in a skilled role which is consistent with the dominant hemisphere |
Complete vocabulary and proper sentence structure |
Using a hand to write which is consistent with the dominant hemisphere |
|
VI Primitive Cortex |
Superior 18 mon.
Average 36 mon.
Slow 72 mon. |
Walking and running in complete cross pattern |
2000 words of language and short sentences |
Bimanual function with one hand in a skilled role |
|
V Early Cortex |
Superior
9 mon. Average 18 mon.
Slow 36 mon. |
Walking with arms freed from the primary balance role |
10 to 25 words of language and two couplets |
Cortical opposition bilaterally and simultaneously |
|
IV Initial Cortex |
Superior 6 mon.
Average 12 mon.
Slow 24 mon. |
Walking with arms used in a primary balance role most frequently at or above shoulder height |
Two words of speech used spontaneously and meaningfully |
Cortical opposition in either hand |
|
III Midbrain and Subcortical Areas |
Superior 3.5 mon.
Average 7 mon.
Slow 14 mon. |
Creeping on hands and knees, culminating in cross pattern creeping |
Creation of meaningful sounds |
Prehensile grasp |
|
II Brain Stem and Early Subcortical Areas |
Superior 1 mon.
Average 2.5 mon.
Slow 5 mon. |
Crawling in the prone position culminating in cross pattern crawling |
Vital crying in response to threats of life |
Vital release |
|
I Early Brain Stem and Cord |
Superior Birth to .5 mon.
Average Birth to 1 mon.
Slow Birth to 2 mon. |
Movement of arms and legs without bodily movement |
Birth cry and crying |
Grasp reflex |
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