A 52-year-old female executive is referred for psychiatric evaluation by her primary care provider due to progressive cognitive decline over the past 14 months. Her husband reports personality changes including social disinhibition, apathy, and loss of empathy that preceded any memory complaints. She has made inappropriate comments to coworkers and recently shoplifted from a store, which is entirely out of character. On cognitive assessment, her memory recall is relatively intact, but she demonstrates significant deficits in executive function, including poor abstraction, impaired set-shifting on the Trail Making Test Part B, and reduced verbal fluency. Brain MRI reveals focal atrophy of the frontal and anterior temporal lobes bilaterally. Which assessment finding pattern is most consistent with this patient's likely diagnosis?