Download Cognitive Models of Memory by Martin A. Conway PDF

By Martin A. Conway

Simply because reminiscence enters into nearly all cognition, it really is very unlikely to layout cognitive types that view reminiscence as a self-contained cognitive school. as a substitute, reminiscence researchers specialize in particular points of reminiscence. Taking this nearby method of reminiscence, the chapters of this quantity assessment versions of the temporary retention of information, conceptual wisdom, autobiographical wisdom, transitory psychological representations, the neurobiological foundation of reminiscence, and age-related adjustments in human reminiscence. on the middle of every bankruptcy is a priority with the matter of representation--how the brain represents truth and, on the subject of reminiscence, how adventure is represented, retained, and reconstructed. The authors assessment the versions opposed to empirical findings and opposed to present wisdom approximately mind functionality and structure. in addition they tackle the connection among formal and nonformal types of human reminiscence.

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Difficoltà nel produrre e comprendere parole a contenuto emotivo sono state osservate anche per pazienti commisurotomizzati, probabilmente a causa della mancanza di un normale flusso di informazioni dall’emisfero destro a quello sinistro. Tuttavia, anche l’emisfero sinistro non è privo di ruolo per la comprensione delle componenti emotive della voce. La predominanza destra sarebbe infatti relativa alle cosiddette componenti affettive non-verbali (di natura prosodica appunto), distinta dalla semantica emotiva, ovvero la capacità di etichettare le emozioni e di comprenderne il significato in funzione allo specifico conteso (ad esempio, un soggetto può non essere in grado di comprendere che un individuo è triste poiché ha subito recentemente una perdita).

Le caratteristiche distintive dei due emisferi in termini rappresentazionali secondo la dicotomia “analitico/sintetico” consentono di spiegare una serie di fenomeni relativi alle funzioni comunicative e pragmatiche, come la rappresentazione dei significati e l’attivazione di molteplici percorsi interpretativi nell’elaborazione di parole semanticamente ambigue. In particolare, risulta che l’emisfero destro sia specializzato per l’attivazione simultanea di significati multipli in riferimento a termini ambigui all’interno di un enunciato [114].

Dall’altro lato, i risultati relativi alla funzione espressiva di produzione delle emozioni appaiono più eterogenei: entrambi gli emisferi presentano tale competenza, sebbene sia distribuita in funzione del canale sensoriale implicato, quello visivo o vocale. Rispetto al primo canale, i due emisferi apportano un contributo equo, anche se differenziato per gli specifici compiti richiesti (definizione di dettaglio o dell’intera configurazione mimica). Rispetto al secondo, l’elaborazione delle componenti affettive mediante il canale vocale è prerogativa dell’emisfero destro piuttosto che di quello sinistro [159] (al riguardo si veda il Capitolo 9).

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