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The Aging Nervous System

Terms in this set (19)

Central Nervous System Changes: Cerebrum
Decreased multi regional volume (Caudate, cerebellum, prefrontal, inferior parietal, and Hippocampus), decreased gyral thickness, and increased ventricular size
Central Nervous System Changes: Nerves
Loss of conduction velocity, decreased neurotransmitter activity, and loss or decrease of myelin sheaths
Central Nervous System Changes: Vision
Declines at middle age, altered color discrimination, poor light adaptation, and inaccurate information sent to CNS
Central Nervous System Changes: Hearing
Difficulty carrying normal conversation, vestibular component of CN VIII affected
Central Nervous System Changes: Cognition

What makes up mild cognitive impairment?
Minor memory lapses, impaired attention or concentration, transient depression, and changing interests
Frailty is when your body has run out of ________ ________
physiological reserve
Most Common Frailty Screening:
Frailty Phenotype
Criteria of Frailty Phenotype
Shrinking, unintentional weight loss, sacropenia, self reported exhaustion, lowest 20% grip strength, lowest 20% walking speed, and low physical activity
________ should never be considered the primary cause of functional limitations or restrictions in normal life activities
Aging
Medication of surviving cellular structure to reform primary function, assume a different function, and regain control of sensory processing and motor programming.
Neuroplasticity
Modification of existing motor programs and synaptic firing patterns
Motor Learning
Using existing synaptic connections and existing programming
Motor Control
•Motor control and learning can be maintained and fostered:

(4 things)
Physical activity, mental activity, life activities, and engagement in novel activities
Neuroplastic Adaptation occur due to occurrences in life:
Disease, trauma, metabolic imbalances, dietary, and external demands
Most important principles of neuroplasticity
Salience, repetition, and intensity
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