Show WIty W We e D Do Whim What We Do Doby by M. M K H. THOMSON PL Ph D. D WHY SOME PEOPLE TALK IN THEIR SLEEPS SLEEP S SO COME O IE E people ta talk I k In their sleep strep he- he cause more of their bruin Is than Is usually u the case eu When teen a person person per per- son retires not nol nil all of or his lets brain bruin Roes goes neto ne to sleep at the same lome time nor line does It all awake at nt the same time Although Although Al Al- though the brain acts as a unit because he- he cause of the Innumerable neural connections eons ron con yet jet et there thre lire are distinct portions por por- lions that control various activities 8 These have ha been bren definitely located through experiments The Time thinking process Is Is' Is the only Important brain activity that tens has no special location It Is blI believed ved that the whole bruin brain Is Involved ed In thinking When a person falls fulls asleep his bis muscles become relaxed the sensory portions are among the first to cense cease activity This cuts culs him off ort from frum the outside world sufficiently to give him hima a chance to rest The other portion portions of his brain may however ho be fairly active although they too ore are likely to full fall asleep or become very quiet In the case of ot an on ordinary dream a afew afew afew few of the thought centers alone are active e Sometimes enough of these centers are acting to form a connected story resembling a reverie In the waking state Frequently the thought activity of the brain Is sufficiently sum strong to awaken the steeper sleeper You Tou might compare the bruin brain to a large family not all of whom ever go goto goto goto to bed at the same time or get up althe at al atthe the same lame hour If late at night all alt the members of ot the household are asleep except one who Is up playing solitaire you might liken the situation situation situa situa- tion or that home bome to a person who la is dreaming Again If It two or more members Diem mem bers bets are awake and playing I a game gamp of bridge you yon might liken the to a person who talks In his bIll sleep Some people talk In their sleep because because because be be- cause the thought centers happen to get In touch with the speech renters enters Dut But enough of the brain Is out of commission to permit sleep slet-p. de b by McClure N r o |