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♪ (chitarra) ♪

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(Peter) Oggigiorno,[br]ascoltiamo musica in continuazione.

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Ci sveglia,[br]motiva i nostri allenamenti,

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ci fa compagnia durante[br]i nostri viaggi.

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Non importa[br]che tipo di musica sia,

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la musica stessa ha la capacità[br]di influire sul nostro umore e corpo

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in tutti i modi possibili.

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Muoviamo la testa, ondeggiamo, balliamo.

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La musica può dare brividi,

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anche farci piangere.

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La musica attiva tutte le aree[br]del cervello che abbiamo mappato finora.

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Non c'è area[br]del cervello che conosciamo

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che la musica non tocca in qualche modo.

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Cosa c'è dietro a tutto ciò?

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Cosa ci fa esattamente la musica?

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Per scoprirlo, ho fatto[br]tutta una serie di test

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ideati per misurare[br]le mie risposte alla musica.

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Ho incontrato ragazzi il cui cervello[br]potrebbe davvero cambiare,

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grazie a quelle ore[br]di apprendimento, pratica ed esecuzione.

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Ho parlato con un terapeuta[br]che usava la musica

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per aiutare l'ex deputata[br]Gabrielle Giffords

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a imparare a parlare di nuovo[br]e ha dato un'occhiata al cervello

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di un artista due volte vincitore[br]di un Grammy mentre suonava.

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♪ (suonando e cantando) ♪

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...tutto per scoprire come[br]la musica ci influenza.

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♪ (musica allegra) ♪

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Quindi, cosa succede[br]quando ascoltiamo la musica?

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Abbiamo visitato l'USC Brain[br]and Creativity Institute,

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dove mi hanno esaminato il cervello,[br]letteralmente,

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per cercare di capirlo.

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Entrerò in questa macchina[br]per la fMRI

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Un piccolo tubo mi circonderà.

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Avremo una lettura base[br]del mio cervello.

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Poi ascolterò un po' di musica,

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e vedremo[br]come il mio cervello risponde.

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Chiudi gli occhi, rilassati,

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cerca di entrare nella musica[br]meglio che puoi, ok?

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♪ (musica classica) ♪[br](Peter) Questo è il risultato.

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Sono scansioni[br]del mio cervello.

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Le aree rosse sono dove[br]la mia attività è superiore alla media;

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in blu, sotto la media.

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Come potete vedere,[br]c'è attività rossa in tutto il cervello,

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non solo in un'area specifica.

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(Daniel) 25 anni fa,

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l'idea era che il linguaggio è[br]nella parte sinistra del cervello

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e la musica[br]nella parte destra.

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Ma ora che abbiamo a disposizione[br]strumenti di migliore qualità,

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neuroimmagini a più alta risoluzione[br]e migliori metodi sperimentali,

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abbiamo scoperto che non è corretto.

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Questo come si manifesta[br]nelle diverse parti del cervello?

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Quando la musica entra e poi

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è trasferita in diverse parti del cervello[br]si ferma

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in unità di elaborazione specializzate[br]nella corteccia auditiva.

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Tracciano il volume, l'altezza, il ritmo

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il timbro e cose del genere.

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C'è un'attivazione della corteccia visiva[br]quando si legge la musica come musicista

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o si guarda la musica.

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Corteccia motoria,[br]quando si battono i piedi,

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si schioccano le dita,[br]si battono le mani.

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E il cervelletto, che media[br]le risposte emotive.

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Il sistema di memoria nell'ippocampo,

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sentendo un passaggio familiare,

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lo trova nei banchi di memoria.

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La musica raggiunge[br]entrambe le metà del cervello,

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sinistra e destra,[br]anteriore e posteriore.

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interno ed esterno.

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♪ (cantando) ♪

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(Peter) E il cervello di un musicista?

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Suonare un brano musicare[br]coinvolge così tante cose:

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sistemi motori, sistemi temporali,

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sistemi di memoria, sistemi uditivi.

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C'è ogni sorta[br]di attività cerebrale.

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Suonare è una cosa molto grossa.

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♪ (Chopin, "Fantaisie-Impromptu") ♪

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Sono Alex Jacob Robertson.

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Sono Nathan Glenn Robertson.

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