- Lifts head almost 45 degrees when lying on stomach
- Head bobs forward when held in sitting position
- Head bobs forward when held in sitting position
- Grasp reflex decreases
- Follows dangling objects with eyes
- Visually searches for sounds
- Make noises other than crying
- Cries become distinctive (wet, hungry, etc.)
- Vocalizes to familiar voices
- Social smile demonstrated in response to various stimuli
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