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Table 11 Top 50 keywords from clinical reports for GNSZ, ABSZ, MYSZ, and TNSZ seizure types

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

Rank GNSZ ABSZ MYSZ TNSZ
Word Frequency Word Frequency Word Frequency Word Frequency
1 Eeg 0.365 Activity 0.329 Activity 0.451 Seizures 0.316
2 Seizures 0.238 Spike 0.241 Wave 0.27 Eeg 0.251
3 Patient 0.238 Wave 0.221 Spike 0.24 Seen 0.235
4 Activity 0.235 Child 0.211 Eeg 0.18 Patient 0.235
5 Left 0.209 Eeg 0.201 Clinical 0.18 Spike 0.162
6 Clinical 0.178 Clinical 0.177 10 0.15 Recording 0.154
7 Right 0.168 Seizure 0.165 Patient 0.15 Seizure 0.154
8 Seizure 0.146 Slow 0.157 Record 0.15 Wave 0.154
9 Record 0.14 Record 0.157 Myoclonus 0.143 Activity 0.145
10 Background 0.122 Hz 0.152 Myoclonic 0.126 Tonic 0.131
11 Recording 0.114 Generalized 0.137 Pattern 0.12 Multiple 0.129
12 Sharp 0.114 Photic 0.126 Background 0.12 Generalized 0.129
13 Performed 0.112 Stimulation 0.126 fFndings 0.112 Clinical 0.129
14 10 0.112 Burst 0.123 Predominant 0.1 Detection 0.125
15 Slowing 0.112 Seconds 0.118 Stimulation 0.1 Diffusely 0.121
16 Temporal 0.104 10 0.118 Photic 0.1 Performed 0.121
17 Continuous 0.097 Amplitude 0.118 2012 0.095 20 0.121
18 Pattern 0.095 Drowsy 0.117 Abnormal 0.09 Diffuse 0.117
19 20 0.093 Seen 0.115 Performed 0.09 Seconds 0.113
20 Hemisphere 0.093 High 0.113 Hz 0.09 Beta 0.108
21 Monitoring 0.093 Background 0.113 Slow 0.09 Left 0.105
22 Seen 0.093 Left 0.113 1 0.084 Software 0.102
23 History 0.09 Hyperventilation 0.11 Vanco 0.075 Addition 0.099
24 Noted 0.09 Predominant 0.104 dnr1 0.075 Right 0.097
25 Video 0.09 Performed 0.103 Prognostic 0.075 Record 0.097
Rank GNSZ ABSZ MYSZ TNSZ
Word Frequency Word Frequency Word Frequency Word Frequency
26 Region 0.089 Right 0.103 vdrf 0.075 Normal 0.091
27 Focal 0.086 Seizures 0.103 Frontally 0.075 p3 0.091
28 Waves 0.085 Discharge 0.099 Alpha 0.075 Waves 0.089
29 Theta 0.081 Frontally 0.098 30 0.067 Discharges 0.081
30 Description 0.08 Sleep 0.098 Excess 0.067 Epilepsy 0.081
31 Frequency 0.079 Bursts 0.088 Rhythm 0.067 Cerebral 0.081
32 Amplitude 0.076 History 0.083 Epilepsy 0.067 Amplitude 0.081
33 Sleep 0.074 Patient 0.083 Post 0.067 Slow 0.081
34 Medications 0.074 Second 0.077 Jerking 0.067 History 0.081
35 Abnormal 0.073 Slowing 0.071 Status 0.067 Hz 0.081
36 Delta 0.072 Absence 0.07 Morphine 0.063 Abnormal 0.081
37 Epileptiform 0.072 Poly 0.07 Traumatic 0.063 10 0.072
38 Status 0.072 UV 0.07 Ready 0.063 Background 0.072
39 Ekg 0.071 Occurs 0.069 Percocet 0.063 Electrode 0.072
40 Posterior 0.071 Duration 0.068 dvt 0.063 Onset 0.072
41 Electrode 0.07 Posterior 0.068 History 0.06 Procedures 0.071
42 Diffuse 0.069 Video 0.068 Electrode 0.06 Activating 0.071
43 Frontal 0.068 Frontal 0.068 High 0.06 Frequent 0.071
44 Wave 0.067 Epilepsy 0.066 ekg 0.06 Followed 0.064
45 Standard 0.065 Focal 0.064 Introduction 0.06 Sleep 0.064
46 Slow 0.065 Correlation 0.064 Impression 0.06 Etiology 0.064
47 Anterior 0.064 Staring 0.062 Old 0.06 Sharp 0.063
48 Rhythmic 0.064 Identified 0.061 Noted 0.06 Appears 0.063
49 Introduction 0.061 Features 0.061 Left 0.06 Opens 0.06
50 Hz 0.06 Discharges 0.06 Focal 0.06 Consistent 0.06