Examlex
The variance of the sum of two investments will be equal to the sum of the variances of the two investments when the covariance between the investments is zero.
Alzheimer's Disease
A progressive neurodegenerative disorder characterized by memory loss, cognitive decline, and personality changes, leading to impaired daily functioning.
Acetylcholine
A neurotransmitter in the nervous system that plays a critical role in the function of the brain and muscles.
Neurotransmitter
Chemical messengers that transmit signals across a chemical synapse, from one neuron (nerve cell) to another target neuron, muscle cell, or gland cell.
Proactive Interference
A phenomenon where older memories interfere with the recall of newer memories.
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