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Manhattan Cognitive Assessment — Full Profile

Composite Cognitive Index (CCI) · 4 domain indices · 8 subtests · Provisional norms

108
Average
CCI = 55 (69th percentile)
Raw total: 24/28
90% CI: 47–63
Performance fell within the Average range of the reference distribution for the assessed tasks.
✓ Performance Validity: Established Performance validity indices are within acceptable limits on both the immediate (FCRM-1) and delayed (FCRM-2) forced-choice recognition trials. There is no indication of inadequate effort. All cognitive scores are considered valid and interpretable.
VLI Verbal & Language Index T = 63 · 90th %ile Superior
SubtestRawT-score (90% CI)%ileRange
Lexical Decision
The Lexical Decision Task measures millisecond-precision lexical-semantic access — how rapidly stored verbal representations are retrieved from long-term memory. Item-level reaction times are z-scored against English Lexicon Project norms (Balota et al., 2007, N = 816). The measure loads on both verbal/language and semantic-memory dimensions.
4/5 56
48–64
73rd Average
Verbal Analogies
Verbal analogical reasoning assesses the ability to identify semantic relationships between concepts, tapping the interface of crystallized and fluid intelligence (Gc–Gf).
2/2 64
56–72
92nd Superior
General Knowledge
Semantic factual knowledge reflects the breadth of long-term knowledge acquisition and is among the most g-loaded and neurologically resilient cognitive measures, widely used as a premorbid estimate.
3/3 70
62–78
98th Very Superior
NVI Nonverbal / Visuospatial Index T = 57 · 76th %ile High Average
SubtestRawT-score (90% CI)%ileRange
Abstract Pattern Reasoning
Abstract matrix reasoning measures fluid intelligence (Gf) — the capacity to identify rules in novel visual patterns independent of prior knowledge. This is the most culture-reduced measure of general cognitive ability.
2/3 50
42–58
50th Average
Mental Rotation
Mental rotation (Shepard & Metzler, 1971) measures visuospatial processing — the capacity to mentally manipulate objects in space. Response latency scales linearly with angular disparity between stimuli.
2/2 64
56–72
92nd Superior
MLI Memory & Learning Index T = 57 · 76th %ile High Average
SubtestRawT-score (90% CI)%ileRange
Immediate Recognition
FCRM-1 is the immediate trial of a two-alternative forced-choice recognition memory paradigm. In addition to indexing encoding efficiency, it provides a primary performance validity index — performance meaningfully below chance indicates inadequate effort (Slick, Sherman & Iverson, 1999).
4/5 56
48–64
73rd Average
Delayed Recognition
FCRM-2 is the delayed retention trial of the forced-choice recognition memory paradigm, administered after a filled interval. It indexes hippocampal-dependent consolidation and provides a secondary performance validity measure (Slick, Sherman & Iverson, 1999). Comparison with FCRM-1 dissociates encoding failure from consolidation deficit.
4/5 56
48–64
73rd Average
EFI Executive Function Index T = 70 · 98th %ile Very Superior
SubtestRawT-score (90% CI)%ileRange
Color Stroop
Color-word interference (Stroop, 1935) measures inhibitory control and selective attention under response conflict — a hallmark executive function measure with established frontal lobe sensitivity.
3/3 70
62–78
98th Very Superior
Research and educational use only. The MaCA is a brief, self-administered screening instrument developed by Dr. Daniel J. Winarick. The norms are provisional and based on a convenience sample. This report is not a clinical evaluation, a neuropsychological assessment, or a diagnosis. Scores can be influenced by fatigue, anxiety, distraction, internet latency, and other factors unrelated to cognitive ability. Do not use this result for clinical, occupational, or legal decisions without a formal evaluation by a qualified professional.