Month 6

Palmar – thumb adducted and does not assist (5-6 months)^{2, 80}

Radial palmar grasp - thumb begins to actively press object into palm (6-7 months)^{2, 80}

Instinctive grasp reaction – Groping Stage^{61, 81}

Differentiating two sides of the hand^{2, 61, 81}

Adjusts hand using visual and tactile stimulation^{63, 64}

Holds one object in each hand¹⁴

Supinate toy, inspect with other hand^1,14