Language | US English |
Inclusion criteria | Aphasia with significant recovery over months to years (ADPASS > 70th percentile) |
Number of individuals with aphasia | 6 (plus 2 excluded: 1 unable to reliably describe performance post-scan; 1 due to head motion) |
Number of control participants | 37 |
Were any of the participants included in any previous studies? | No |
Is age reported for patients and controls, and matched? | Yes (range 20-56 years) |
Is sex reported for patients and controls, and matched? | Yes (males: 1; females: 5) |
Is handedness reported for patients and controls, and matched? | Yes (right: 6; left: 0) |
Is time post stroke onset reported and appropriate to the study design? | Yes (range 5-32 months) |
To what extent is the nature of aphasia characterized? | Severity and type |
Language evaluation | ADP |
Aphasia severity | ADPASS percentile range 73-99 |
Aphasia type | 3 anomic, 1 conduction, 1 recovered, 1 transcortical sensory |
First stroke only? | Yes |
Stroke type | Ischemic only |
To what extent is the lesion distribution characterized? | Individual lesions |
Lesion extent | Extents are reported in three dimensions |
Lesion location | 4 L MCA, 2 L ICA |
Participants notes | — |
Modality | fMRI |
Is the study cross-sectional or longitudinal? | Cross-sectional |
If longitudinal, at what time point(s) were imaging data acquired? | — |
If longitudinal, was there any intervention between the time points? | — |
Is the scanner described? | Yes (Magnex Scientific 3 Tesla) |
Is the timing of stimulus presentation and image acquisition clearly described and appropriate? | Yes |
Design type | Block |
Total images acquired | 40 |
Are the imaging acquisition parameters, including coverage, adequately described and appropriate? | Yes (axial, perisylvian only) |
Is preprocessing and intrasubject coregistration adequately described and appropriate? | Yes |
Is first level model fitting adequately described and appropriate? | No (first level cross-correlation analysis unclear) |
Is intersubject normalization adequately described and appropriate? | N/A—no intersubject normalization |
Imaging notes | — |
Language condition | Picture naming |
Control condition | Viewing nonsense drawings |
Are the conditions matched for visual demands? | Yes |
Are the conditions matched for auditory demands? | Yes |
Are the conditions matched for motor demands? | Yes |
Are the conditions matched for cognitive/executive demands? | No |
Is accuracy matched between the language and control tasks for all relevant groups? | N/A, tasks not comparable |
Is reaction time matched between the language and control tasks for all relevant groups? | N/A, tasks not comparable |
Behavioral data notes | — |
Are control data reported in this paper or another that is referenced? | Somewhat |
Does the contrast selectively activate plausible relevant language regions in the control group? | Unknown |
Are activations lateralized in the control data? | Somewhat |
Control activation notes | Insufficient data to assess the control activation pattern |
Contrast notes | — |
First level contrast | Picture naming vs viewing nonsense drawings |
Analysis class | Cross-sectional aphasia vs control |
Group(s) | Aphasia vs control |
Covariate | — |
Is the second level contrast valid in terms of the group(s), time point(s), and measures involved? | Yes |
Is accuracy matched across the second level contrast? | Unknown, not reported |
Is reaction time matched across the second level contrast? | Unknown, not reported |
Behavioral data notes | — |
Type of analysis | Regions of interest (ROI) |
ROI type | Mixed |
How many ROIs are there? | 6 |
What are the ROI(s)? | (1) L IFG and MFG; (2) L pSTG, AG and SMG; (3) R IFG and MFG; (4) R pSTG, AG and SMG; (5) frontal LI; (6) temporal LI |
How are the ROI(s) defined? | (1-4) individual anatomical images; activation quantified in terms of extent |
Correction for multiple comparisons | No correction |
Statistical details | — |
Findings | ↑ R IFG ↑ R dorsolateral prefrontal cortex ↑ R supramarginal gyrus ↑ R angular gyrus ↑ R posterior STG ↓ LI (frontal) ↓ LI (temporal) |
Findings notes | — |
First level contrast | Picture naming vs viewing nonsense drawings |
Analysis class | Cross-sectional correlation with language or other measure |
Group(s) | Aphasia |
Covariate | Picture naming (outside scanner) |
Is the second level contrast valid in terms of the group(s), time point(s), and measures involved? | Yes |
Is accuracy matched across the second level contrast? | Unknown, not reported |
Is reaction time matched across the second level contrast? | Unknown, not reported |
Behavioral data notes | — |
Type of analysis | Regions of interest (ROI) |
ROI type | Mixed |
How many ROIs are there? | 6 |
What are the ROI(s)? | (1) L IFG and MFG; (2) L pSTG, AG and SMG; (3) R IFG and MFG; (4) R pSTG, AG and SMG; (5) frontal LI; (6) temporal LI |
How are the ROI(s) defined? | (1-4) individual anatomical images; activation quantified in terms of extent |
Correction for multiple comparisons | No correction |
Statistical details | — |
Findings | ↑ LI (frontal) |
Findings notes | — |