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Some of the First Signs of Neurological Disorders (Such as Dementia,brain

question 43

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Some of the first signs of neurological disorders (such as dementia,brain injury or stroke) are deficits in basic cognitive functions such as perception,learning,memory,attention,language and visuo-spatial skills,and also deficits in skills that involve problem-solving,planning and engaging in goal-directed behaviour.These are known as:


Definitions:

Variance

A statistical measure of the dispersion or spread in a set of data points, indicating how much the values differ from the mean of the set.

Variance

A measure of variability that denotes the average of the squared differences from the mean, showing how widely the values in a data set are spread.

Squared Deviations

Values obtained by subtracting the mean from each data point in a set, squaring the result to eliminate negative numbers, used in variance calculation.

Aptitude Test

An examination designed to measure a person's ability to develop skills or acquire knowledge, predicting future performance.

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