Are ordinary and high-level psychic attacks sent to others and received via the thought plane?

This indeed is how the exchange is made. This is the means of transmission via the thought plane which handles these energies, as it is designed to be the conveyance. So it is sort of like the set of highways extending throughout humanity and creating a road from individual to individual, and groups of individuals as well. This would be represented by the maze of streets within a city which includes not only private residences, but large apartment buildings, high-rises, and community centers, and arenas that are sources of influence on a regular basis through the presence of aggregate humans working in constant—in concert or in conflict, as the case may be, but generating much new thought and many energies that add to the mix.