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This study is aimed at investigating three new tests that will form part of a computerized tool designed to test brain/cognitive functioning. The system will be evaluated along with the tests' usability on samples of healthy controls and neurologically impaired patient participants. These new tests will be assessed with regard to reliability and validity. Reliability will be addressed through investigation of internal consistency of the test items. Validity will be evaluated relative to traditional paper-and-pencil tests and differentiation between patient and healthy participants.Each participant will complete both the computerized and paper and pencil-based tests. The results will be analyzed to see how performances on the two test types compare. The overall aim of this project is to determine if these new computerized tasks are an improvement over standard paper and pencil-based neuropsychological measures.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Cerebral neurological illness (CNI) participants | Active Comparator | Identified from the department of Rehabilitation, Psychiatry, and Medicine and referred to the research staff via in-person communication, email or staff message |
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| Non-CNI participants | Active Comparator | Identified from the department of Rehabilitation, Psychiatry, and Medicine and referred to the research staff via in-person communication, email or staff message |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Railroad Test | Diagnostic Test | This is a test designed to evaluate visual perception capacities and requires the participant to match photographs with railroads as a central theme. The participant is presented with a photograph image at the top of the screen and is asked to match it to one of the two, three or four choices in the lower portion of the display. |
| Measure | Description | Time Frame |
|---|---|---|
| Score on Railroad Test | 1 Day | |
| Score on Swamp Test | 1 Day | |
| Score on President Recognition Test | 1 Day |
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Inclusion Criteria:
Individuals without positive cerebral findings on neuroimaging (Non-PCF)
Neuroimaging-positive cerebral findings (PCF)
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Alexander Chervinsky, PhD | NYU Langone Health | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| New York University School of Medicine | New York | New York | 10016 | United States |
Individual participant data that underlie the results reported in this article, after deidentification (text, tables, figures, and appendices).
Beginning 3 months and ending 5 years following article publication.
Requests should be directed to alexander.chervinsky@nyulangone.org . To gain access, data requestors will need to sign a data access agreement.
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| Swamp Test | Diagnostic Test | This is a test of immediate visual memory/attention for photographs with swamp wetlands as a central theme. The participant is briefly presented with a photograph which is replaced by two, three or four choices, one of which the participant is asked to select as the initially presented image. |
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| Presidents Recognition Test | Diagnostic Test | This is a test of history knowledge and facial recognition using pictures of US presidents and non-president distractors. The participant is presented with two photographs and is asked to identify which is the picture of a US president |
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| Judgment of Line Orientation | Diagnostic Test | This test requires participants to visually match the orientation of line segments. This is a test of visual perception and was included as a relative equivalent of the Railroad Test. |
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| Symbol Span subtest of the Wechsler Memory Scale-IV | Diagnostic Test | This test requires participants to immediately recall a sequence of designs after a brief presentation. This is a test of immediate visual memory/attention and was included as a relative equivalent of the Swamp Test |
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| Information subtest of the Wechsler Adult Intelligence Scale-IV: | Diagnostic Test | This test requires participants to answer factual knowledge questions. This is a test of fund of knowledge and was included as a verbal equivalent for the non-verbal Presidents Recognition Test. |
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| Digit Span subtest of the Wechsler Adult Intelligence Scale-I | Diagnostic Test | This test requires the participant to repeat sets of digits forward, backward, and to sequence digits in ascending order. This is a test of immediate memory/attention and was included to investigate possible attentional correlates of the Swamp Test. This test includes a performance validity indicator that will permit analyses of validity indicators included with the experimental tests |
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| Reading subtest of the Wide Range Achievement Test | Diagnostic Test | This test requires participants to read words printed on a card. This is a test of word knowledge/academic achievement and was included to investigate the academic achievement concomitants of the Presidents Recognition Test. |
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| Symbol Digit Modalities Test: | Diagnostic Test | This test requires participants to visually match abstract symbols with numbers within a certain time period. The participant either verbalizes or writes the response on an answer sheet. This is a test of speed of information processing and was included to assess speed of response factors pertaining to all of the experimental tests as reflecting speed of information processing. |
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| Dot Counting Test | Diagnostic Test | This test requires participants to count arrays of dots presented on a card while being timed. This is a performance validity test and was included to ascertain validity factors pertaining to each of the experimental tests. |
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