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Onde acute focali nei pazienti psichiatrici

Onde acute focali nei pazienti psichiatrici

Elizabeth Zimmerman

132,52 €
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Editorial:
KS OmniScriptum Publishing
Año de edición:
2026
Materia
Psicología
ISBN:
9786630098570
132,52 €
IVA incluido
Disponible

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L’elettroencefalografia (EEG) è una tecnica di neuroimaging utilizzata per registrare l’attività elettrica del cervello dalla superficie del cuoio capelluto. Tra i ritmi EEG regolari, sinusoidali e uniformi delle onde cerebrali normali e le anomalie chiaramente patologiche osservate nell’epilessia, si colloca un’aberrazione controversa e di breve durata denominata 'onda acuta'. Un’onda acuta, nota anche come scarica epilettiforme o parossistica, è un evento elettrico di durata limitata che rappresenta l’attivazione sincrona di diverse migliaia di neuroni eccitabili. Mentre alcuni ricercatori e clinici considerano le onde acute come fattori importanti della sintomatologia e della progettazione del trattamento, altri le considerano benigne. Questo lavoro ha analizzato la presentazione dei sintomi in pazienti psichiatrici con onde acute. Le onde acute erano altamente prevalenti e correlate alla presentazione dei sintomi. È interessante notare che le onde acute isolate e altamente focali erano associate a una patologia più grave, mentre si ipotizza che quelle distribuite in regioni cerebrali omologhe svolgano un ruolo protettivo. Le ragioni di questo risultato sono esplorate alla luce della recente teoria delle reti neuronali. Questo lavoro evidenzia l’importante necessità di riesaminare il ruolo delle onde acute nella psicopatologia.

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