If the partial depolarization arriving at an axon is sufficiently large, typically ___ or more, it can cause normally closed sodium ion channels to open

John has decided to start to learn how to wrestle

On his first day at practice, a seasoned wrestler slams the back of his head to the mat. John was shaken and reported to the trainer that he "saw stars" after he hit his head. As a result of "seeing stars," John's _____ was temporarily affected as a result of the slam. A) corpus callosum B) occipital lobe C) parietal lobe D) somatosensory cortex

_______ can vary from culture to culture and are socially acceptable ways of showing emotion in public settings

a. Phonemes b. Facial grids c. Display rules d. Expressional norms e. Emotional morphemes