(CNN) — Civil rights leader Rev. Jesse Jackson has been hospitalized, according to a statement obtained by CNN.

Jackson, 84, a protégé of the Rev. Martin Luther King Jr., is under observation for progressive supranuclear palsy (PSP), the Rainbow PUSH Coalition said Wednesday evening.

“He has been managing this neurodegenerative condition for more than a decade,” the organization said in the statement.

“He was originally diagnosed with Parkinson’s disease however, last April, his PSP condition was confirmed. The family appreciates all prayers at this time.”

Further details about his condition have not been released.

PSP is “a rare neurological disorder that affects body movements, walking and balance, and eye movements,” according to the US National Institute of Neurological Disorder

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