INTEGRATION OF ELECTROENCEPHALOGRAPHY (EEG) AND TRANSCRANIAL DIRECT CURRENT STIMULATION (tDCS) WITH HIGH-SPEED OPERATION, ELECTRODE, RE-USE, AUTOMATED tDCS ELECTRODE CONFIGURATION, AND MULTIPLE INDEPENDENT tDCS CURENT SOURCES
First Claim
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1. A method of integrating transcranial direct current stimulation (tDCS) and electroencephalography (EEG), comprising:
- collecting EEG data from a subject using an electrode arrangement that includes a plurality of electrodes positioned on a scalp of the subject; and
applying tDCS to the subject using said electrode arrangement.
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Abstract
Transcranial direct current stimulation (tDCS) and electroencephalography (EEG) are integrated, including re-using electrodes to perform both tDCS and EEG, and automatically alternating EEG collection and tDCS application. EEG and tDCS functionalities are integrated into a single headset. Improvements in tDCS include realizing multiple tDCS current flow configurations without repositioning electrodes, and concurrently applying multiple independent tDCS currents to a subject.
44 Citations
27 Claims
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1. A method of integrating transcranial direct current stimulation (tDCS) and electroencephalography (EEG), comprising:
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collecting EEG data from a subject using an electrode arrangement that includes a plurality of electrodes positioned on a scalp of the subject; and applying tDCS to the subject using said electrode arrangement. - View Dependent Claims (2, 3, 4, 27)
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5. An apparatus that integrates tDCS and EEG, comprising:
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an electrode arrangement including a plurality of electrodes adapted for placement on a scalp of a subject; an EEG analyzer coupled to said electrode arrangement to receive EEG data from the subject; and a tDCS drive apparatus coupled to said electrode arrangement for applying tDCS to the subject. - View Dependent Claims (6, 7, 8)
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9. A method of performing tDCS, comprising:
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maintaining a plurality of electrodes respectively positioned at a plurality of locations on a scalp of a subject; and during said maintaining, using a first set of said electrodes to apply a first tDCS current flow in a first current flow configuration on the scalp, and thereafter, using a second set of said electrodes to apply a second tDCS current flow in a second current flow configuration on the scalp, wherein said second set of electrodes is different from said first set of electrodes. - View Dependent Claims (10, 11, 12, 13)
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14. An apparatus for performing tDCS, comprising:
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a plurality of electrodes adapted to be maintained at respective locations on a scalp of a subject; a tDCS drive apparatus; and a switching arrangement coupled to said electrodes and said tDCS drive apparatus for, while said electrodes are maintained at said locations, connecting said tDCS drive apparatus to a first set of said electrodes for application of a first tDCS current flow in a first current flow configuration on the scalp, and subsequently connecting said tDCS drive apparatus to a second set of said electrodes for application of a second tDCS current flow in a second current flow configuration on the scalp, wherein said second set of electrodes is different from said first set of electrodes. - View Dependent Claims (15, 16, 17, 18)
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19. A method of integrating tDCS and EEG, comprising:
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collecting EEG data from a subject; applying tDCS to the subject; and automatically alternating said collecting and said applying.
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20. An apparatus that integrates tDCS and EEG, comprising:
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an EEG portion for receiving EEG data from the subject; a tDCS portion for applying tDCS to the subject; and a selecting portion for automatically alternating selection of said EEG portion and said tDCS portion for operation.
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21. A method of applying tDCS to a subject, comprising:
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applying a first tDCS current to the subject; and concurrently with said applying said first tDCS current, applying to the subject a second tDCS current that is independent of said first tDCS current.
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22. An apparatus for applying tDCS to a subject, comprising:
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an electrode arrangement including a plurality of electrodes adapted for placement on a scalp of the subject; a first current source connected to said electrode arrangement for supplying a first tDCS current to said electrode arrangement; and a second current source connected to said electrode arrangement for supplying to said electrode arrangement, concurrently with said first tDCS current, a second tDCS current that is independent of said first tDCS current.
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23. A headset that integrates tDCS and EEG, comprising:
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a housing; an electrode arrangement supported on said housing, said electrode arrangement including a plurality of electrodes, and said housing configured to maintain said electrodes in contact with a scalp of a subject; an EEG analyzer supported on said housing and coupled to said electrode arrangement for collecting EEG data from the subject; and a tDCS drive apparatus supported on said housing and coupled to said electrode arrangement for applying tDCS to the subject. - View Dependent Claims (24, 25, 26)
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Specification