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. 2017 May 16;12(5):e0177290. doi: 10.1371/journal.pone.0177290

Table 1. Study design & participants.

Citation Study Design Participant Details Session Details
Rozelle Case Study Male, 55 yrs 69 Sessions
1995 1 yr post CVA
SL: left posterior temporal/parietal infarction EEG: sessions 1–21, 4-5x/week for 15–25 minutes
AT
M NFT: 22 weeks/48 sessions
CD: garbled speech, short-term memory loss, tinnitus, fatigue Sessions 1–6, daily
4 week break between session 6 & 7
Monopolar and Bipolar
Focused Technology F-1000 Biofeedback system
Bearden Case Study Male, 52 yrs 14 weeks / 42 sessions/ 3x/week then reduced to 2x/week
2003 1 yr post CVA Time per session varied (9 to 14 minutes)
SL: left hemispheric ischemic infarction
AT Monopolar
M
CD: severely impaired memory and ability to read, upper field visual deficit, inability to learn new material Thought Technology
Procomp+/ Biograph biofeedback
system
Doppelmayr Controlled Trial Experiment 1: Experiment 1: 10 days/ 10 sessions, 12 minutes each
2007 NFT n = 15
Control n = 17 Experiment 2: 10 days/ 9–15 sessions, 16 minutes each
Mean age: 56 yrs (SD = 13)
Experiment 2: Monopolar
Alpha NFT n = 7
RSA n = 6 Procomp+system
AT (both)
Cannon Case Study Female, 43 yrs 26 weeks/52 sessions, 2x/week for 30 minutes
2010 1 year post CVA
SL: right hemisphere artery embolus Monopolar and Bipolar
AT
M NeuroCybernetics
CD: energy and mood issues, inability to focus, distracted
Toppi Case Studies Participant 1: Female, 70 yrs 10 sessions @ 25 minutes each, 3 min baseline, six 3 minute training sessions
2014 Stroke Location: right hemispheric stroke
Monopolar
Participant 2: Male, 20 yrs
Stroke Location: left hemispheric stroke Modality: not specified
Mroczkowska Case Study Female, 53 yrs 10 weeks/30 sessions, 3x/week, 40 minutes each
2014 ~1 month post CVA
SL: hemorrhagic stroke in the left hemisphere Monopolar
AT
CD: anxiety, motivation and cognitive/executive function issues, Broca’s aphasia; speech impairments Exememory Application
Cho RCT NFT n = 13 6 weeks/30 sessions, 5x/week, 30 minutes each
2015 Age– 62.9 yrs (+/-7.2)
Lesion (right/left)– 9/4 Monopolar
Control group n = 14 NeuroComp System
Age– 63.6 yrs (+/-9.3)
Lesion (right/left)– 8/5
AT
CD: visual perception and reductions in cognitive function

Abbreviations: additional therapy (AT); cerebral vascular accident (CVA); electroencephalography (EEG); Medication (M); Mini Mental State Exam (MMSE); neurofeedback (NF); randomized controlled trial (RCT); respiratory sinus arrhythmia biofeedback training (RSA); Sensorimotor Rhythm (SMR), stroke location (SL).