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Table 1 Neuropsychological test results

From: Two distinct phenotypes, hemiplegic migraine and episodic Ataxia type 2, caused by a novel common CACNA1A variant

WISC-IVNEPSY IIVineland ABS-II
 Score95% CIClassification rangeSubtestsscoreClassificationScalesScore
Verbal Comprehension Index5652–66Extremely lowMemory  Communication63
Perceptual Reasoning Index7872–88Borderline - averageMemory for faces total8averageDaily living skills77
Working Memory Index4643–61Extremely lowImmediate9averageSocialization79
Processing Speed Index4745–65Extremely lowDelayed8averageMotor skills37
Intelligence Quotient4441–53Extremely lowMemory for names total6below averageAdaptive Behavior Composite56
Cognitive Proficiency Index33 Extremely lowDelayed4impaired
Fluid Reasoning6358–74Extremely low-borderlineLearning trials5below averageSubscalesAge (yr.mo) equivalent
Lexical knowledge7468–85Extremely low-averageMemory for designs  
LTM6964–79Extremely low-borderlineImmediate1impairedReceptive3.8
STM4643–60Extremely lowDelayed2impairedExpressive4.8
Subtests:score  Narrative memory  Written4.3
Verbal tasks   Free recall4impairedPersonal4.2
Similarities2 ImpairedCued recall1impairedDomestic5.9
Vocabulary5 Below averageRecognition8averageCommunity4.9
Information4 ImpairedSentence repetition1impairedInterpersonal relationships5.6
Comprehension1 ImpairedSensorimotor  Play and leasure time4.3
Word Reasoning6 Below averageFingertip tapping1impairedCoping skills4.1
Perceptual tasks   Imitating hand position2impairedGross motor skills2.9
Block Design9 AverageVisuomotor precision4impairedFine motor skills3.3
Matrix Reasoning8 AverageVisuospatial    
Picture Concepts3 ImpairedDesign coping general5below average  
Working Memory Tasks   Design coping specific1impaired  
Digit Span1 ImpairedBlock construction6below average  
Forward3 ImpairedGeometric puzzle9average  
Backward3 ImpairedLanguage    
Arithmetic2 ImpairedPhonological processing4impaired  
Letter-Number sequencing1 ImpairedSpeeded naming8average  
Processing Speed Tasks   Comprehension of instructions1impaired  
Coding1 ImpairedSemantic fluency1impaired  
Symbol Search1 ImpairedPhonological fluency2impaired  
    Attention/Executive    
    Auditory attention<2%ileimpaired  
    Visual attention9average  
    Design fluency6below average  
    Inhibition1impaired  
    Social perception    
Score: Standard score (mean100, standard deviation 15)Theory of mind4impaired  
Score: Scaled score (mean 10, standard deviation 3)Affect recognition4impaired