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Reliability & Validity
Correlations MRI, EEG, ERP

Explanation Tests

Motor Tapping: Tapping test Motor tapping - The subject is required to tap a circle with the index finger of each hand in turn, as fast as possible.
Reflects - Hand-eye coordination and fine movement speed (manual dexterity).
Choice reaction-time - One of four circles lights up and the subject has to press the lit circle as quickly as possible.
Reflects - Reaction time to stimulus. 		Choize Reaction Time test (keuze reactietijd)
Timing Test Timing - A circle appears on the screen for 1 to 12 seconds, then the subject is required to indicate the correct duration.
Reflects - Ability to accurately estimate time duration.
Spot The Real Word - A real word is presented simultaneously with a nonsense word. The subject is required to select the real word.
Reflects - Language comprehension and premorbid Intelligence quotient. 		Spot the Real Word Test
Span of Visual Memory - Corsi Blocks Span of Visual Memory - The subject is required to press a series of squares on the screen in the order in which they previously lit up.
Reflects - Spatial short-term memory capacity, also called the Corsi Block Tapping Test.
Digit span - The subject is presented with a sequence of digits (4, 7, 2, etc.) and then has to repeat them in either forward or backward order.
Reflects - Verbal short-term memory capacity. 		Digit Span
Verbal Interference - Stroop Verbal Interference - This test requires the subject to name the ‘ink' colour a word is written in, and not read the actual word e.g. ‘the word blue written in red ink'.
Reflects - Ability to suppress unwanted, well-learned automatic responses. Also called the STROOP test.
Switching of Attention - Numbers and letters are presented in various sequences requiring visual scanning and tracking.
Reflects - Ability to follow a sequence mentally, deal with more than one stimulus or thought at a time, and to shift the course of ongoing mental activity. Also called the Trailmaking test part A and B.		 Switching of Attention - Trailmaking A & B
Memory Recall and Recognition Memory Recall and Recognition - The subject has to recall the words after various time intervals and recognize the words from a list of repeated and new words.
Reflects - Ability for new auditory-verbal learning, recall and recognition.
Word Generation - The subject is required to say as many words as possible (within 1 minute) which start with a given letter.
Reflects - Verbal fluency or word fluency.		 Word Generation - Word Fluency
Malingering test Malingering - Description withheld.
Reflects - Validity of deceptive claims of memory impairment.