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Scientists have long known that the brain's gray matter decreases in volume during adolescence. This even though mental performance improves dramatically from childhood to young adulthood.Gray matter is the tissue in brain areas involved in seeing and hearing, memory, speech, emotions, decision making and self-control.It shrinks in volume during adolescence. But a new University of Pennsylvania study finds it becomes more dense to compensate.Girls may have lower brain volume than boys, proportionate to their smaller size. But their gray matter is more dense. Researchers said that may be why their mental skills are comparable.http://www.upi.com/Health_News/2017/0...http://www.wochit.comThis video was produced by YT Wochit News using http://wochit.com

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Brain Adolescence Grey matter Neural development Mind Ruben Gur Gray Matter Psychology Biology Of Gender Neuroplasticity Brain Injury Brain Size Penn Show More cerebral intellectual psychic psychological spiritual subjective brainy clairvoyant deep heavy ideological imaginative immaterial inner intellective mysterious phrenic psychical rational reasoning subconscious subliminal telepathic thinking thoughtful unreal physical balanced body sane psychiatric deranged disturbed fruity loco lunatic mad maniac mentally ill mindless non compos mentis nuts nutsy psychotic unbalanced unstable aberrant abnormal atypical bizarre deviant different flaky mental nonstandard odd off-base off-color out of line peculiar psycho strange unusual weird normal regular usual same true crazed berserk certifiable crazy demented frenzied hysterical manic out of one's mind psychopathic raving calm controlled crazier ape barmy bats in the belfry batty bonkers cracked cuckoo daft delirious dingy dippy erratic flipped flipped out freaked out idiotic insane kooky mad as a March hare mad as a hatter maniacal moonstruck nutty nutty as fruitcake of unsound mind out of one's tree out to lunch potty round the bend schizo screw loose screwball screwy silly touched unglued unhinged unzipped wacky hate dislike believeable smart responsible realistic sound reasonable sensible collected craziest flipped-out freaked-out absurd asinine bedlamite crackers daffy dopey foolish fried giddy half-baked in the ozone inane off the wall out of one's gourd ridiculous simple unsound whacko witless bright intelligent understanding capability capacity competence intelligence qualification skill strength talent understanding aptitude competency comprehension dexterity endowment facility faculty might potentiality resourcefulness ignorance impotence inability incapability incapacity incompetence ineptness lack weakness clumsiness inadequacy inanity limitation paralysis stupidity expertise ingenuity proficiency adroitness bent cleverness command craft deftness expertness finesse flair genius gift handiness knack know-how mastery savvy skillfulness mind for the goods the right stuff what it takes ineptitude want accomplishment ability achievement act art attainment bringing about carrying-out completion conclusion consummation coup deed effecting effort execution exploit feat finish fulfillment performance production realization stroke triumph failure forfeit idleness beginning commencement introduction loss start unfulfillment defeat frustration nullification giftedness smarts stuff disinclination inaptitude aptitudes abilities capabilities capacities competences faculties giftednesses gifts knacks proficiencies talents skillessnesses inaptitudes stupidities incapacities weaknesses lacks inabilities artifice invention inventiveness artlessness candor frankness honesty honor ingenuousness innocence openness reality simplicity sincerity truthfulness artistry artfulness brilliance craftship creativity style taste touch virtuosity workmanship lot boyhood girlhood greenness juvenility minority pubescence spring youth youthfulness adulthood infancy adolescence childhood juniority schoolboy days young manhood babyhood cradle immaturity nonage nursery puberty schooldays pupilage tender age bloom ignorance inexperience innocence juvenescence prime springtide awkward age salad days springtime of life end experience knowledge potency springtime awkward stage high-school years preadolescence teenage years jejuneness jejunity youngness maturity teens deluge flood flow growth outpouring rise swell upsurge wave billow breaker efflux gush intensification roll surf decline decrease climb grow stream arise eddy heave mount pour ripple sluice swirl tower undulate well forth descend lessen barrage assault attack blast bombardment burst hail mass onslaught plethora rain shower storm surge torrent defense beat cadence cadency measure meter oscillation palpitation pressure pulsation pulse quake quiver rhyme rhythm swing throb thump tick undulation vibration stillness beachcomber crest roller tide access bang blowout breach break cannonade crack discharge eruption explosion fit flare fusillade gust outbreak round rupture rush sally salvo spate split spurt volley closing closure juncture cascade disgorge overflow pitch plunge spew spill spit up throw up tumble vomit course career chase dart dash follow gallop hasten hunt hurry hustle pursue race scamper scoot scurry speed spring dally dawdle delay ignore neglect procrastinate rest retreat run away shun slow wait all along all the while amid at the same time as at the time for the time being in the course of in the interim in the meanwhile in the middle of in the time of meanwhile mid midst over pending the time between the whole time throughout until when while amidst among amongst between during surrounded by away from beyond outside separate amid\u002Famidst in the midst of in the thick of for after beneficial to concerning conducive to for the sake of in contemplation of in exchange for in favor of in furtherance of in order to in order to get in place of in pursuance of in the direction of in the interest of in the name of notwithstanding on the part of on the side of pro supposing to counterbalance to go to to the amount of to the extent of toward under the authority of with a view to with regard to with respect all over all the time all through around at full length completely every bit everyplace everywhere far and near far and wide for the duration from beginning to end from end to end from one end to the other from start to finish from the start from the word go high and low in all respects in every place in everything inside and out on all accounts overall right through round through the whole of to the end up and down albeit although at the same time howbeit immediately upon just after just as much as whereas during the time in the time throughout the time whilst boyhood teens girlhood greenness juvenility minority pubescence spring youth youthfulness adulthood infancy age adolescence childhood dotage elderliness life lifetime majority maturity middle age milestone old age senility seniority wear and tear juniority schoolboy days young manhood babyhood cradle immaturity nonage nursery puberty pupilage schooldays tender age awkward age bloom ignorance inexperience innocence juvenescence prime salad days springtide springtime of life end experience knowledge intellect Einstein academician doctor egghead genius highbrow intellectual mastermind prodigy pundit sage scholar dumbbell idiot simpleton head cerebellum cerebrum encephalon gray matter mentality medulla oblongata mind upper story wit body attack advance aggress ambush assail assault bash bat bean beat beset besiege biff blast boff bombard boot bop brain bust charge chop down clip clock club combat cook harm hit hurt infiltrate invade jump kick knock block off knock cold knock for a loop larrup lay siege to light into molest mug overwhelm pounce upon punch raid rush set upon slog soak stab storm strike take the offensive turn on wallop whop aid assist guard help leave alone lose protect retreat surrender decrease be lazy defend resist shelter shield slough off submit support sustain withstand attacks advances aggresses ambushes assails assaults bashes bats beans beats besets besieges biffs blasts blisters boffs bombards boots bops brains busts charges chops down clips clocks clubs combats cooks harms hits hurts infiltrates invades jumps kicks knocks block off knocks cold knocks for a loop larrups lies siege to molests mugs overwhelms punches raids rushes sets upon slogs soaks stabs storms strikes takes the offensive turns on wallops whops sloughs off is lazy sustains supports submits defends leaves alone helps loses withstands shields shelters resists decreases surrenders protects guards retreats assists aids brainpower I.Q. grasp intellectual power mental ability mental capacity understanding disbelief misunderstanding physicality computer CPU abacus adding machine analog artificial intelligence calculator clone data processor digital electronic brain laptop mac mainframe micro microcomputer mini minicomputer number cruncher personal computer thinking machine creator architect author begetter deity designer founder framer generator initiator maker originator prime mover producer sire destroyer creators architects authors begetters deities designers founders framers generators initiators makers originators prime movers producers sires destructors destroyers drab dusty silvery Dove ash clouded dappled heather iron lead neutral oyster pearly powder shaded silvered slate stone ashen cinereal dingy dusky leaden livid mousy peppery sere smoky somber gray battleship granite gray\u002Fgrey grey grayer grayest element material thing amount being body constituents corporeality entity individual object phenomenon protoplasm quantity stuff substantiality sum corporeity materialness physical world abstract concept nothing nothingness affair business circumstance event incident job proceeding question situation subject topic transaction bag episode lookout nub occurrence undertaking goings-on shooting match insignificance meaninglessness argument interest point sense theme context focus head motif motive purport resolution substance text subject matter consequence importance burden content core extent gist import magnitude meat moment neighborhood note order pith range tune upshot vicinity weight triviality unimportance complication distress grievance perplexity predicament to-do trouble upset worry solution discharge infection maturation purulence pus suppuration ulceration affect count imply involve mean signify express value weigh be important be of value be substantive carry weight cut ice have influence make a difference mean something full value matter result significance thrust amounts bodies burdens cores full values imports matters results senses significances substances thrusts upshots values meaninglessnesses nothings article branch chapter clause detail division heading item paragraph part passage piece portion provision whole assembly basis bed chassis corpus crux essence frame fuselage gravamen groundwork hull main part majority mass skeleton staple substructure tenor total trunk assignment beeswax carrying-on duty function hanky-panky happening issue palaver problem responsibility task businesses Mom and pops cartels concerns corporations establishments factories firms fly-by-night operations houses institutions markets megacorps mills monopolies organizations outfits partnerships setups shoestring operations shops stores syndicates trusts ventures unemployment recreations avocations audiovisual auditory aural neurological olfactory sensual sonic tactile visual sensational acoustic afferent audible auricular clear discernible distinct gustative gustatory hearable lingual ocular olfactive ophthalmic optic perceptible phonic plain receptive sensatory sensible sensory neural advancement evolution expansion improvement increase progress addition adulthood advance augmentation boost buildup chrysalis developing enlargement flowering hike maturation maturity ontogenesis ontogeny progression reinforcement ripening spread spreading unfolding adding to advancing augmenting elaborating evolvement evolving increasing making progress maturing ongoing perfecting reinforcing unraveling upgrowth upping decline decrease halt retreat retrogression stoppage lessening reduction shrinkage stagnation withdrawal change issue outcome result situation circumstance conclusion denouement event eventuality materialization occurrence phenomenon transpiration upshot eventuation turn of events cause origin source amelioration betterment break breakthrough development enrichment furtherance gain go ahead growth headway promotion rise step upgrade diminishment loss hindrance block failure hesitation impediment recession stop advances accommodations allowances bites credits deposits down payments floaters front moneys hikes increases loans prepayments retainers rises scores stakes takes touches failures blocks stops impediments withdrawals recessions hesitations halts decreases amplification boosting deepening elaboration exaggeration expatiation extension fleshing out heightening intensification lengthening magnification padding raising strengthening stretching supplementing widening abridgment compression abridgement condensation contraction shortening accession accretion beefing up enhancement increment inflation multiplication raise swelling deduction drop fall subtraction degradation boom jump prosperousness push rush spurt upsurge upswing upturn collapse discovery find finding invention leap quantum leap step forward step back attention brain consciousness genius head imagination instinct intellect judgment mentality perception psyche sense soul spirit talent thought wisdom apperception brainpower brains capacity cognizance conception creativity faculty function ingenuity intellectual intuition lucidity marbles observation power ratiocination reason reasoning regard sanity soundness thinker understanding wits intellectuality percipience being body ignorance incapacity physicality reality stupidity incompetence unsoundness amnesia corporeality thinking concentration mark note notice observance recollection remark remembrance subconscious thoughts heedlessness neglect thoughtlessness attitude desire determination eye feeling mood opinion point of view sentiment view will wish bent conviction disposition fancy humor impulse intention leaning liking notion outlook persuasion pleasure purpose strain temper temperament tone urge vein way of thinking dislike disinclination resent complain deplore disapprove object be affronted be opposed look askance at take offense like love agree approve praise sanction disobey disregard forget ignore attend behave follow heed keep listen observe respect watch adhere to do as told follow orders pay attention pay heed take heed care for perceive baby-sit behold discern discipline ensure govern guard look oversee see sit superintend supervise be attentive give heed to have charge of keep an eye on listen up make certain mind the store ride herd on overlook tend trouble be cautious be concerned be on guard be solicitous be wary have a care mind one's p's and q's take care toe the line watch one's step watch out bethink cite recall recollect remind reminisce retain bring to mind adhere abide by be attached be constant be devoted be devoted to be faithful be loyal be true cleave to comply fulfill maintain mind obey practice stand by support condemn let go release scorn disjoin loose loosen not conform separate unfasten adheres abides by be attaches be devotes be devotes to cleaves to complies follows fulfills heeds is constant is faithful is loyal is true keeps maintains minds obeys observes practices respects stands by supports unfastens separates looses not conforms forgets neglects let goes overlooks loosens disjoins scorns condemns disregards releases disobeys ignores animus bile catch concentrate on devote oneself get a load of hear hearken lend an ear look after look on occupy oneself with pick up see to miss be lazy absorption application assiduity consideration contemplation debate deliberation diligence engrossment heedfulness immersion industry intentness scrutiny study thoughtfulness indifference laziness lethargy negligence bare in mind be aware of be cognizant of be mindful of beware call to mind consider remember to remember bean brains cerebrum noggin noodle pate smarts upper story brain cerebellum encephalon gray matter head intellect medulla oblongata mentality mind wit body attic belfry capitulum coconut cranium crown dome scalp skull think tank thinker top story upstairs bottom conclusion end ending finish follower foot ignorance inability rear stupidity intelligence acuity acumen agility alertness aptitude brainpower brightness brilliance capacity cleverness comprehension coruscation discernment judgment luminosity penetration perception perspicacity precocity quickness quotient reason sagacity savvy sense skill subtlety the right stuff trenchancy understanding what it takes disinclination physicality ineptness noddle poll IQS acuities aptitudes brainpowers brightnesses competences comprehensions gray matters intellects judgments know-hows minds perceptions precocities reasons senses the right stuffs understandings disbelief inabilities misinterpretations mistakes misunderstandings stupidities drab dusty grey silvery Dove ash clouded dappled heather iron lead neutral oyster pearly powder shaded silvered slate stone ashen cinereal dingy dusky leaden livid mousy peppery sere smoky somber aged age-old ancient antediluvian antiquated antique been around creaky elderly getting on gray moth-eaten oldie over the hill passé rusty senescent senior citizen shot timeworn venerable worn worse for wear fresh modern new recent up-to-date young unripe youthful anemic blanched cadaverous colorless ghastly pale pallid pasty sallow wan white darken becloud bedim blacken cloud over cloud up deepen dim eclipse fog haze make dim murk obfuscate obscure overcast overshadow shade shadow tone down lighten clear up brighten illuminate whiten darkens beclouds bedims blackens clouds up deepens dims eclipses fogs grays hazes makes dim murks obfuscates obscures overcasts overshadows shades shadows tones down illuminates brightens lightens whitens blah bleary blurred caliginous cloudy dark dreary dull dusk faded faint flat fuzzy gloomy ill-defined indistinct lackluster lightless mat monotone monotonous murky muted obscured opaque poorly lit shadowy sullied tarnished tenebrous unclear unilluminated vague weak bright cheerful clear distinct encouraging happy light lively luminous shining sparkling vivacious brilliant favorable good intelligent smart dimmer element material thing amount being body constituents corporeality entity individual object phenomenon protoplasm quantity stuff substantiality sum corporeity materialness physical world abstract concept nothing nothingness affair business circumstance event incident job proceeding question situation subject topic transaction bag episode lookout nub occurrence undertaking goings-on shooting match insignificance meaninglessness argument interest point sense theme context focus head motif motive purport resolution substance text subject matter consequence importance burden content core extent gist import magnitude meat moment neighborhood note order pith range tune upshot vicinity weight triviality unimportance complication distress grievance perplexity predicament to-do trouble upset worry solution discharge infection maturation purulence pus suppuration ulceration affect count imply involve mean signify express value weigh be important be of value be substantive carry weight cut ice have influence make a difference mean something full value matter result significance thrust amounts bodies burdens cores full values imports matters results senses significances substances thrusts upshots values meaninglessnesses nothings article branch chapter clause detail division heading item paragraph part passage piece portion provision whole assembly basis bed chassis corpus crux essence frame fuselage gravamen groundwork hull main part majority mass skeleton staple substructure tenor total trunk assignment beeswax carrying-on duty function hanky-panky happening issue palaver problem responsibility task businesses Mom and pops cartels concerns corporations establishments factories firms fly-by-night operations houses institutions markets megacorps mills monopolies organizations outfits partnerships setups shoestring operations shops stores syndicates trusts ventures unemployment recreations avocations attitude medicine therapy behaviorism mental make-up mental processes personality study psych science of the mind way of thinking where head is at ethos beliefs code culture habits ideology mentality mind mindset principles psyche psychology spirit traits values body physicality ethoses brainpower brains cast character comprehension disposition frame of mind headset intellect intelligence quotient makeup mental age outlook personality rationality reasoning routine sense turn of mind understanding wit disbelief analysis cytology diagnosis dissection division embryology etiology examination genetics histology inquiry investigation medicine morphology physiology zoology connection anatomy anthropology biological science ecology environmental science natural science animal biology bioscience botany science of life study of living things life science physics chemistry life sciences pure science science of matter biology common feminine masculine neuter gender-specific feminines effeminate effete fertile gender gynic womanhood womanish womanliness masculinity femininities femininity\u002Ffeminine ilk brand class classification denomination kin lot order persuasion race set sort species variety ilks kind breed complexion connection description designation essence fiber habit likes manner mold nature number stamp stripe style temperament tendency tribe way abuse bruise burn cramp cut damage fracture laceration loss scar shock sore sprain suffering swelling trauma wound abrasion affliction affront agony bad bite blemish chop deformation detriment discomfiture disservice distress evil gash grievance hemorrhage ill impairment indignity injustice insult lesion libel mischief misery mutilation nick outrage pang ruin scratch slander stab sting twinge wrong boo-boo ouch help praise advantage benefit blessing cheer comfort compliment delight flattery goodness happiness health joy kindness morality pleasure profit virtue aid assistance favor good right injury scrape scuff abrasions abradings chafings erosions gratings rubbings scratchings scuffings crime defilement harm hurt malevolence maltreatment manhandling misdeed offense pollution violation wrongdoing good deed obedience acclamation adulation approval commendation plaudit preservation respect backhanded compliment brickbat dirty deed left-handed compliment provocation put down slap slap in the face slight slur vexation appeasement pleasantry aggression assailment assault blitz blitzkrieg encroachment invasion offensive onset onslaught push raid boo boo black and blue mark amount breadth capacity content diameter extent height intensity length magnitude proportion range scope stature volume width amplitude area bigness body caliber capaciousness dimensions enormity extension greatness highness immensity largeness mass measurement proportions spread stretch substance substantiality tonnage vastness voluminosity admeasurement hugeness size appraise adjudge apprize assay assess audit calculate check check out deem evaluate examine eye figure figure in figure out gauge guesstimate have one's number inspect look over peg price rate read review set at survey take account of valuate value ignore neglect appraises adjudges assays assesses audits calculates checks checks out deems evaluates examines eyes figures figures out gauges guesstimates has one's number inspects looks over pegs prices rates reads reviews sets at sizes surveys takes account of valuates values neglects ignores appraising adjudging assaying assessing auditing calculating checking checking out deeming evaluating examining eyeing figuring figuring out gauging guesstimating having one's number inspecting looking over pegging pricing rating reading reviewing setting at sizing surveying taking account of valuating valuing neglecting ignoring compass distance expanse field operation space sphere areas breadths compasses distances expanses fields operations ranges spaces spheres stretches widths