* contraindications to the use of tdcs (such as metal plates on the head); * severe acute covid-19 illness; * less than 8 years of schooling; * presence of serious neurological conditions such as neurocognitive disorders, stroke, lacunar infarction, cerebral atrophy and others; * presence of serious psychiatric disorders, such as untreated mood disorders (including suicidal ideation), personality disorders, or psychotic disorders; * unstable clinical conditions; * use of medications (such as benzodiazepines and anticonvulsants) that can impair cognition; * presence of pathological neuroimaging findings (eg, acute or subacute lacunar or hemorrhagic stroke and others); * presence of a pacemaker, orthosis or prosthesis incompatible with the performance of magnetic resonance imaging; * claustrophobia.

* contraindications to the use of tdcs (such as metal plates on the head); * severe acute covid-19 illness; * less than 8 years of schooling; * presence of serious neurological conditions such as neurocognitive disorders, stroke, lacunar infarction, cerebral atrophy and others; * presence of serious psychiatric disorders, such as untreated mood disorders (including suicidal ideation), personality disorders, or psychotic disorders; * unstable clinical conditions; * use of medications (such as benzodiazepines and anticonvulsants) that can impair cognition; * presence of pathological neuroimaging findings (eg, acute or subacute lacunar or hemorrhagic stroke and others); * presence of a pacemaker, orthosis or prosthesis incompatible with the performance of magnetic resonance imaging; * claustrophobia.

contraindications to the use of tdcs (such as metal plates on the head); severe acute covid-19 illness; less than 8 years of schooling; presence of serious neurological conditions such as neurocognitive disorders, stroke, lacunar infarction, cerebral atrophy and others; presence of serious psychiatric disorders, such as untreated mood disorders (including suicidal ideation), personality disorders, or psychotic disorders; unstable clinical conditions; use of medications (such as benzodiazepines and anticonvulsants) that can impair cognition; presence of pathological neuroimaging findings (eg, acute or subacute lacunar or hemorrhagic stroke and others); presence of a pacemaker, orthosis or prosthesis incompatible with the performance of magnetic resonance imaging; claustrophobia.

contraindications to the use of tdcs (such as metal plates on the head); severe acute covid-19 illness; less than 8 years of schooling; presence of serious neurological conditions such as neurocognitive disorders, stroke, lacunar infarction, cerebral atrophy and others; presence of serious psychiatric disorders, such as untreated mood disorders (including suicidal ideation), personality disorders, or psychotic disorders; unstable clinical conditions; use of medications (such as benzodiazepines and anticonvulsants) that can impair cognition; presence of pathological neuroimaging findings (eg, acute or subacute lacunar or hemorrhagic stroke and others); presence of a pacemaker, orthosis or prosthesis incompatible with the performance of magnetic resonance imaging; claustrophobia.