Brain Informatics

Table 12 Top 50 keywords from clinical reports for TCSZ, FNSZ, SPSZ, and CPSZ seizure types

From: Seizure classification with selected frequency bands and EEG montages: a Natural Language Processing approach

Rank	TCSZ		FNSZ		SPSZ		CPSZ
Rank	Word	Frequency	Word	Frequency	Word	Frequency	Word	Frequency
1	Eeg	0.291	Eeg	0.306	Seizures	0.495	Seizures	0.318
2	Right	0.281	left	0.274	Activity	0.256	Eeg	0.311
3	Seizure	0.266	Right	0.253	Eeg	0.238	patient	0.29
4	Left	0.264	Activity	0.252	Left	0.238	Activity	0.24
5	Patient	0.231	Seizures	0.235	Hemisphere	0.19	Seizure	0.238
6	Activity	0.228	Patient	0.217	Patient	0.179	Left	0.228
7	Seizures	0.185	Seizure	0.197	Clinical	0.179	Right	0.22
8	Tonic	0.128	Clinical	0.158	Right	0.145	Clinical	0.166
9	Sleep	0.115	Slowing	0.132	Beta	0.114	Partial	0.165
10	Clonic	0.111	Temporal	0.13	Record	0.11	Complex	0.153
11	Hemisphere	0.11	Region	0.126	Section	0.107	Record	0.141
12	Clinical	0.109	Record	0.124	Sleep	0.102	Temporal	0.13
13	Record	0.109	Continuous	0.119	Temporal	0.085	10	0.112
14	Region	0.105	Background	0.107	Monitoring	0.085	Region	0.107
15	Background	0.105	10	0.107	10	0.085	Slowing	0.104
16	10	0.105	Sharp	0.106	Rhythmic	0.085	Sharp	0.09
17	Seen	0.099	Focal	0.106	Delta	0.085	Frequency	0.089
18	Sharp	0.099	Hemisphere	0.104	History	0.076	Video	0.086
19	Recording	0.096	Performed	0.099	Pattern	0.076	Background	0.083
20	Arm	0.095	Posterior	0.096	Video	0.076	Performed	0.083
21	Waves	0.092	Frequency	0.096	Performed	0.076	Hemisphere	0.08
22	Temporal	0.088	Waves	0.094	Recording	0.076	Status	0.078
23	Performed	0.086	Monitoring	0.086	0	0.076	20	0.075
24	20	0.082	Recording	0.085	Bursts	0.076	Continuous	0.074
25	History	0.079	Video	0.084	Central	0.076	Recording	0.071

Rank	TCSZ		FNSZ		SPSZ		CPSZ
Rank	Word	Frequency	Word	Frequency	Word	Frequency	Word	Frequency
26	Amplitude	0.076	20	0.083	Occur	0.074	Monitoring	0.071
27	Slow	0.076	Diffuse	0.081	Shaking	0.074	Noted	0.07
28	Time	0.074	Noted	0.081	Region	0.068	Waves	0.068
29	Slowing	0.073	Electrodes	0.08	Seconds	0.068	Description	0.067
30	Anterior	0.07	Delta	0.079	Theta	0.068	Rhythmic	0.067
31	Rhythm	0.07	Status	0.077	20	0.068	Seen	0.066
32	Occipital	0.069	History	0.077	Noted	0.068	Electrode	0.064
33	Pattern	0.069	Description	0.076	Introduction	0.068	Epileptiform	0.063
34	Generalized	0.069	Pattern	0.076	Buzz	0.067	Posterior	0.063
35	Hz	0.069	Theta	0.076	Fast	0.066	Using	0.063
36	Artifact	0.066	Seen	0.075	30	0.066	Pattern	0.061
37	Electrode	0.066	Epileptiform	0.073	Characterized	0.066	History	0.061
38	Onset	0.062	Amplitude	0.073	Polyspike	0.059	ekg	0.06
39	Focal	0.062	Moderate	0.071	Description	0.059	Introduction	0.06
40	Ictal	0.06	Occipital	0.071	Impression	0.059	Impression	0.059
41	Electrodes	0.06	Abnormal	0.067	Duration	0.059	Theta	0.058
42	Wave	0.059	Medications	0.067	bpm	0.059	Placement	0.056
43	Monitoring	0.057	Sleep	0.063	Medications	0.059	Abnormal	0.056
44	Delta	0.056	Epilepticus	0.063	Epileptiform	0.057	Focal	0.056
45	Abnormal	0.056	ekg	0.063	Seizure	0.057	Slow	0.056
46	Posterior	0.056	Polymorphic	0.061	Service	0.054	Repetitive	0.055
47	Muscle	0.055	Rhythmic	0.06	Sections	0.053	Epilepticus	0.055
48	Epileptiform	0.055	Standard	0.06	24	0.053	Channel	0.055
49	Dominant	0.055	Electrode	0.057	Multiple	0.051	Medications	0.054
50	Voltage	0.053	Electrographic	0.057	hr	0.051	Digital	0.054

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