Table 3.

Most common symptoms of mTBI according to their categories [4, 6, 11–13].

References	Cognitive	Somatic physical	Affective emotional	Sleep disturbance
Marshall, 2012 [11] Hanson et al., 2014 [6] Hynes and Dickey, 2006 [12] Scorza et al., 2012 [13] McCrory et al., 2013 [4]	(i) Confusion (ii) Retrograde amnesia (iii) Anterograde amnesia (iv) Loss of consciousness (v) Disorientation (vi) Feeling foggy (in a fog) (vii) Vacant stare (viii) Inability to focus (ix) Delayed verbal responses (x) Delayed motor responses (xi) Slurred (xii) Incoherent speech (slurred) (xiii) Excessive drowsiness	(i) Headache (ii) Dizziness (iii) Balance disruption (iv) Nausea (v) Vomiting (vi) Visual disturbances (vii) Phonophobia	(i) Emotional liability (ii) Irritability (iii) Fatigue (iv) Anxiety (v) Sadness	(i) Trouble falling asleep (ii) Decreased sleep (iii) Increased sleep
Hanson et al., 2014 [6]	(i) Feeling slowed down (ii) Difficulty concentrating (iii) Difficulty remembering (iv) Forgetting of recent information (v) Confused about recent events (vi) Answers questions slowly (vii) Repeats questions	(i) Balance problems (ii) Visual problems (iii) Fatigue (iv) Sensitivity to light (v) Sensitivity to noise (vi) Dazed (vii) Stunned	(i) Nervousness	(i) Drowsiness
Hynes and Dickey, 2006 [12]	(i) Dysphagia (ii) Seeing stars	(i) Deafness (ii) Ringing in the ears (iii) Temporomandibular
Scorza et al., 2012 [13]	(i) Disorientation (ii) Stunned (iii) Vacant stare	(i) Blurred vision (ii) Convulsions (iii) Light-headedness (iv) Numbness (v) Tingling (vi) Tinnitus	(i) Clinginess (ii) Depression (iii) Personality changes