Research using fmri has found that, although is activated when paying attention to the sounds of familiar voices, it is not activated when paying attention to the sounds of unfamiliar voices.

Answer – The fusiform face area (FFA)

Research using Functional Magnetic Resonance Imaging (fMRI) has shown that when we are paying attention to the sounds of familiar voices, the fusiform face area (FFA) is activated, but it is not activated when we are paying attention to the sounds of unfamiliar voices.

the correct answer is ) possibility.

demonstrating opportunity cost is done through production possibility.

the opportunity cost can be demonstrated using the production possibility frontier or curve. this graphic shows the total number of possibilities for two products when we have the resources needed and used in an efficient manner. the main resources could be money, labor, and technology. the curve shows that the production of one good increases when the production of the othe

first, the romans stayed isolated because they had to defend their own territories from neighboring cities that were harassing them, like the etruscans. second, once the romans managed to defeat their neighbors, and started to expand their territory, they started to build roads and bridges. finally, now that the romans have covered their territory with roads functioning as highways, they could mobilize their legions faster to assemble larger military units in a specific place