(WHO) set 55 as the
beginning of old age. At the
same time, defines old age,
not by years, but by new
roles, loss of previous roles,
or inability to make active
contributions to society.
What's the difference
between normal
ageing and dementia?
What's confusion?
is the inability
to think as
clearly or
quickly as you
normally do.
Aka delirium
Types
Hyperactive
Hypoactive
Sluggish and drowsy
Looks withdrawn
Agitated
Incoherent speech
Delusions
Dementia
Factors affecting memory
Sleep
Age
Stress
Exercise
Anatomy of the limbic system
Limbic lobe
Hippocampul
formation
Septal area
Orbitofrontal
cortex
Hippocampus
Dentate gyrus
Entorhinal
cortex
Sabiculum
Physiology of memory
Sensory memory
Ichonic (visual)
Echoic (auditory)
Working memory
Visio-spatial sketchpad
phonological loop
Central excutive
Episodic buffer
Long-term memory
Explicit
Semantic (facts)
Episodic (events)
Encoding
Consolidation
Storage
Retrieval
Implicit
Priming
Procedural
Alzheimer's disease
Signs and
symptoms
Pathology
Tangles and plaques
Beta amyloid and Tau protein
Investigations
Blood works
CT scan
MMSE
Prognosis
early diagnosis has
a greater chance to
benefit from
treatments.