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. Author manuscript; available in PMC: 2012 Jan 1.
Published in final edited form as: Neurotoxicol Teratol. 2010 Jul 6;33(1):166–175. doi: 10.1016/j.ntt.2010.06.009

Table 1.

Description of NNNS summary scores

Description
Habituation Response decrement to repeated auditory and visual stimuli; mean of items (3 items; range:1–9)
Attention Response to animate and inanimate auditory and visual stimuli: mean of items (7 items; range: 1–9)
Arousal Level of arousal including state and motor activity during the examination; mean of items recoded for high arousal (7 items; range: 1–9)
Regulation Capacity to organize motor activity, physiology, and state during the examination and to respond to cuddling, consoling, and negative stimuli; mean of items recoded for good regulation (15 items; range: 1–9)
Handling Handling strategies used during attention to maintain alert state; mean number of strategies used (8 items; range: 0–1)
Quality of movement Measure of motor control including smoothness, maturity, lack of startles and tremors; mean of items recoded for good motor control (6 items; range: 1–9)
Excitability Measure of high levels of motor, state, and physiologic reactivity: sum of items recoded for excitable behavior (15 items; range: 0–15)
Lethargy Measure of low levels of motor, state, and physiologic reactivity: sum of items recoded for lethargic behavior (15 items; range: 0–15)
Nonoptimal reflexes Any nonoptimal response to reflex elicitation; sum of items recoded for nonoptimal reflexes (15 items; range: 0–15)
Asymmetric. reflexes Any asymmetric response to reflex elicitation; sum of items recoded for asymmetric response (16 items; range: 0–16)
Hypertonicity Hypertonic response in arms, legs, or trunk or in general tone; sum of items recoded for hypertonic indicators (10 items; range: 0–10)
Hypotonicity Hypotonic response in arms, legs, or trunk or in general tone; sum of items recoded for hypotonic indicators (10 items; range: 0–10)
Stress/abstinence Amount of stress and abstinence signs observed during examination; mean number of observed stress signs (50 items; range: 0–1)