Granted Patent
B2
US 12,465,718 · App. 17/423,741 · Granted Nov 11, 2025
Methods and devices for modulation of integrated neural networks to influence composite sensory processes
Assignee:
IST, LLC
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Abstract
Methods and apparatuses are described for modulating multiple integrated neural networks to alter composite sensory processes, such as audition or hearing. These methods and apparatuses may be used for therapeutic and non-therapeutic uses, including enhancing entertainment and communication, by providing a cranio-cervical tuning apparatus worn in or around the outer ear or auricle. These methods and apparatuses may include functional neurosensory bias for neurosensory scrambling neuromodulation to influence composite or multi-modal sensory processes.
Claims (27)
1 . A method of treatment, the method comprising:
inserting a first low-impedance hydrogel into a subject's first ear canal in a manner that the first low-impedance hydrogel expands to contact a wall of the first ear canal, wherein the first low-impedance hydrogel comprises a first electrical contact;
inserting a second low-impedance hydrogel into the subject's second ear canal in a manner that the second low-impedance hydrogel expands to contact a wall of the second ear canal, wherein the second low-impedance hydrogel comprises a second electrical contact;
applying a treatment electrical signal between the first and second electrical contacts, wherein the treatment electrical signal comprises a biphasic, pulsed signal having a frequency of greater than 200 Hertz (Hz), in a manner that the wall of the first ear canal receives a current density of greater than 2 Milliampere per square centimeter (mA/cm 2 ); and
applying a second electrical signal between the first and second low-impedance hydrogels, wherein the second electrical signal comprises a biphasic, pulsed signal having a frequency of greater than 200 Hz.
2 . The method of claim 1 , wherein the step of applying the treatment comprises applying at a current density that is at or below a sensory threshold for feeling the applied treatment electrical signal.
3 . The method of claim 1 , wherein the treatment is a method of treating insomnia and the subject is an insomniac subject.
4 . The method of claim 3 , wherein the treatment electrical signal is applied for 10 minutes or more before the subject goes to bed.
5 . The method of claim 1 , wherein the treatment is a method of treating one or more of: anxiety, depression or a neurosensory disorder.
6 . The method of claim 1 , wherein the treatment is a method of treating tinnitus.
7 . The method of claim 6 , further comprising delivering an audio signal to the subject concurrent with the delivery of the treatment electrical signal.
8 . The method of claim 1 , wherein the second electrical signal is different than the treatment electrical signal by one or more of: a pulse width, an interphase interval, a pulse frequency, and/or a pulse amplitude.
9 . The method of claim 1 , wherein the second electrical signal is applied concurrently with the treatment electrical signal.
10 . The method of claim 1 , wherein the frequency is greater than 250 Hz.
11 . The method of claim 1 , wherein the current density is 5 mA/cm 2 or greater.
12 . The method of claim 1 , wherein the treatment electrical signal has a pulse width of 150 microseconds or less.
13 . The method of claim 1 , wherein the hydrogel of the first and second electrical contacts have a shore A durometer of 80 or less.
14 . The method of claim 1 , wherein the first electrical contact is configured to be positioned at least 5 mm from an opening into the first ear canal while the first hydrogel is positioned within the subject's ear.
15 . The method of claim 1 , further comprising concurrently applying an electrical stimulation to the subject's neck.
16 . A method of treating insomnia, the method comprising:
inserting a first low-impedance hydrogel into a subject's first ear canal in a manner that the first low-impedance hydrogel expands to contact a wall of the first ear canal, wherein the first low-impedance hydrogel comprises a first electrical contact;
inserting a second low-impedance hydrogel into the subject's second ear canal in a manner that the second low-impedance hydrogel expands to contact a wall of the second ear canal, wherein the second low-impedance hydrogel comprises a second electrical contact; and
increasing drowsiness by applying a treatment electrical signal between the first and second electrical contacts for at least 10 minutes before the subject's target bedtime, wherein the treatment electrical signal comprises a biphasic, pulsed signal having a frequency of greater than 200 Hertz (Hz), in a manner that the wall of the first ear canal receives a current density of >2 Milliampere per square centimeter (mA/cm 2 ); and
applying a second electrical signal between the first and second low-impedance hydrogels, wherein the second electrical signal comprises a biphasic, pulsed signal having a frequency of greater than 200 Hz.
17 . The method of claim 16 , further comprising removing the first and second electrical contacts before the subject's bedtime after applying treatment.
18 . The method of claim 16 , wherein the treatment electrical signal is applied for 10 minutes or more before the subject goes to bed.
19 . The method of claim 16 , wherein the second electrical signal is different than the treatment electrical signal by one or more of: a pulse width, an interphase interval, a pulse frequency, and/or a pulse amplitude.
Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded Oct 2, 2025
From: WETMORE, DANIEL Z.; TYLER, WILLIAM J.
To: IST, LLC
Reel/Frame 072455/0318 →
Continuity (2)
Provisional Application
62794394
· Jan 18, 2019
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