Transcranial UltrasoundOpen Label Study for the Use of Transcranial Ultrasound Treatment of Tremor

Inclusion Criteria:

In order for a subject to be considered for the Essential Tremor application of this study, the following criteria are required:

Subjective complaint of tremor assessed and validated by physician

Must be willing to comply with the study protocol

English Proficiency

At least 18 years of age

At most 90 years of age

In order for a subject to be considered for the Parkinson's Disease application of this study, the following criteria are required:

Diagnosis of Parkinson's Disease validated by physician

Must be willing to comply with the study protocol

English Proficiency

At least 18 years of age

At most 90 years of age

Exclusion Criteria:

In order for a subject to be considered for this study, he/she may NOT have any of the following:

Subjects not English proficient

Subjects unable to give informed consent

Subjects do not meet age requirements (18-90)

Subjects who would not be able to lay down without excessive movement in a calm environment sufficiently long enough to be able to achieve sleep

Pregnancy, women who may become pregnant or are breastfeeding

Women with child-bearing potential who are not willing to use a double-barrier birth control method

Males not willing to use a double-barrier birth control method with female sex partners with child-bearing potential

Advanced terminal illness

Any active cancer or chemotherapy

Any other neoplastic illness or illness characterized by neovascularity

Macular degeneration

Subjects with scalp rash or open wounds on the scalp (for example from treatment of squamous cell cancer)