blocks with words "polyvagal theory" and human brain

brain text brick cerebrum anatomy neuroscience connection science shape learning fear three dimensional block human nervous system neurotransmitter neuropathy cube square ideas word game cut nerve cell synapse rules law emotional stress capital letter body model object biologist autonomic concepts wood material vagus response formula construct activity emotions social polyvagal heart rate regulation psychology regulate font cerebral theory cubes isolated neural psychological rendering study wooden concept box