Table 4.

Probability distribution of terms over topics

Neurological conditions		Cognitive rehabilitation		Simulation		Gait & Balance		Gaming
Term	Probability	Term	Probability	Term	Probability	Term	Probability	Term	Probability
studies	0.0347	Cognitive	0.0396	simulation	0.0425	balance	0.0633	games	0.0646
effects	0.0313	Task	0.0332	measures	0.0329	control	0.0400	exercise	0.0416
intervention	0.0296	Performance	0.0220	assessment	0.0303	gait	0.0379	children	0.0359
Trial	0.0296	brain	0.0215	performance	0.0293	walking	0.0319	activity	0.0261
rehabilitation	0.0278	learning	0.0214	injury	0.0287	postural	0.0204	physical	0.0241
included	0.0231	skills	0.0190	driving	0.0203	effects	0.0189	wii	0.0232
evidence	0.0196	impairment	0.0182	validity	0.0148	training	0.0150	video	0.0196
quality	0.0166	assessment	0.0167	reliability	0.0146	falls	0.0139	cerebral	0.0167
therapy	0.0162	memory	0.0163	time	0.0143	speed	0.0135	palsy	0.0150
outcome	0.0149	function	0.0146	tests	0.0134	vestibular	0.0120	play	0.0144
systematic	0.0117	ability	0.0131	model	0.0131	dynamic	0.0118	motivation	0.0138
clinical	0.0113	attention	0.0131	evaluation	0.0112	treadmill	0.0117	fit	0.0131
based	0.0099	deficits	0.0117	traumatic	0.0106	adults	0.0116	age	0.0112
control	0.0095	people	0.0104	brain	0.0103	disease	0.0110	level	0.0105
limited	0.0092	executive	0.0101	rate	0.0094	stability	0.0108	exergames	0.0103
data	0.0089	disability	0.0093	correlation	0.0091	Parkinson	0.0092	feasibility	0.0100
improve	0.0087	spatial	0.0092	setting	0.0089	time	0.0089	Kinect	0.0091
treatment	0.0087	navigation	0.0089	TBI	0.0080	increased	0.0086	participation	0.0085
search	0.0078	social	0.0086	objective	0.0076	improve	0.0084	Nintendo	0.0084
physical	0.0078	injury	0.0083	spinal	0.0075	muscle	0.0084	adults	0.0081
Interventions		Neural impact		Perception/Navigation		Psychological issues		Tele-Rehabilitation
term	Probability	term	Probability	term	Probability	term	Probability	term	Probability
training	0.0594	motor	0.0725	visual	0.0387	virtual	0.2631	rehabilitation	0.0687
patients	0.0535	stroke	0.0494	feedback	0.0263	reality	0.1102	system	0.0608
improve	0.0417	upper	0.0418	motion	0.0210	environment	0.0488	technology	0.0309
stroke	0.0363	movement	0.0388	task	0.0184	real	0.0209	design	0.0224
rehabilitation	0.0298	limb	0.0324	neglect	0.0150	pain	0.0200	based	0.0215
function	0.0262	hand	0.0271	movement	0.0142	patients	0.0151	developed	0.0201
week	0.0234	function	0.0265	healthy	0.0141	disorders	0.0149	computer	0.0178
control	0.200	arm	0.0257	kinematics	0.0131	immersive	0.0115	device	0.0145
therapy	0.0197	rehabilitation	0.0237	reaching	0.0124	body	0.0101	interactive	0.0142
program	0.0190	extremity	0.0218	force	0.0115	training	0.0096	user	0.0141
effects	0.0180	therapy	0.0203	adaptation	0.0114	experience	0.0094	applications	0.0124
intervention	0.0178	activity	0.0196	head	0.0114	world	0.0089	patients	0.0115
sessions	0.0174	recovery	0.0191	target	0.0108	subject	0.0082	therapists	0.0111
based	0.0169	stimulation	0.0176	conditions	0.0096	objective	0.0074	clinical	0.0102
treatment	0.0159	robot	0.0169	patients	0.0095	enhance	0.0074	assisted	0.0094
significant	0.0145	observed	0.0098	display	0.0082	behavior	0.0065	interface	0.0091
outcome	0.0141	imagery	0.0090	perception	0.0081	system	0.0063	provide	0.0090
trial	0.0135	mirror	0.0082	performance	0.0075	potential	0.0059	evaluation	0.0086
reality	0.0128	induced	0.0079	environment	0.0075	purpose	0.0058	proposed	0.0080
post	0.0124	control	0.0077	degrees	0.0072	exposure	0.0056	telerehabilitation	0.0080