Review the following computerized charting record and identify the stage of Alzheimer's disease (AD) of the patient described. Time 08000900100014001600 Body Systems Cognition Visuospatial Gross motor Personality Decision-making Charting Oriented to person, states he is "in the clinic" but does not know the name or location;; looks at clock and states the correct time; unable to repeat serial 7s or add 2 numbers Puts on shirt and pants but unable to fasten them; puts on his slippers; reaches for utensils on the breakfast tray but cannot accurately locate them Pacing in room: appears restless Agitation has gradually increased since midmorning; describes seeing his daughter walking on the sidewalk in front of the building Unable to make choices of afternoon recreational therapy activities; wanders in hall
Pineal Gland
A small endocrine gland in the vertebrate brain that produces the hormone melatonin, involved in regulating sleep patterns.
Melatonin
A hormone produced by the pineal gland that regulates sleep and wakefulness cycles.
Hypnagogic Sensations
Experiences occurring at the onset of sleep, often involving visual, auditory, or tactile hallucinations.
Sleep Spindles
Brief bursts of brain activity visible on an EEG that occur during stage 2 of sleep, associated with memory consolidation and synaptic plasticity.