concussion

traumatic brain injury

Brain damage from external force

• TBIBrain damage from impact
• contusionTissue damage beneath skin
• bruiseDiscolored tissue injury
• hemorrhageProfuse discharge of blood

swelling · lesion · fracture · skull · cranial · hematoma · brain damage

headache

Cranial pain

• dizzinessUnsteady, spinning sensation
• nauseaPre-vomiting stomach discomfort
• confusionMental disorientation or bewilderment
• disorientationLoss of spatial awareness

memory loss · amnesia · blurred vision · light sensitivity · ringing ears · balance problems · fogginess · slurred speech

collision

Forceful contact between objects

• crashSudden violent impact
• hitSuccessful contact or strike
• joltAbrupt forceful shake
• smashBreak violently apart

slam · bump · strike · blow · punch · bash · knock · whack

football

Field sport with goals

• helmetProtective head covering
• tackleGear or takedown
• hockeyStick-and-goal sport
• boxingCombat sport using fists

soccer · heading · contact sport · sideline · athletic trainer · NFL · CTE · player safety

knockout

Incapacitating final blow

• blackoutComplete power loss
• faintWeak and indistinct
• loss of consciousnessAwareness temporarily ceasing
• dazeBewildered mental state

stupor · out cold · unresponsive · collapse · lights out · KO · passing out · coming to

rest

Cessation of activity

• healingRestoration of health
• rehabilitationRecovery from injury/addiction
• protocolPrescribed conduct rules
• return to playMedical clearance for competition

gradual return · monitoring · clearance · recovery time · medical clearance · sitting out

neurology

Medical science of nerves

• neuronsSignal-transmitting brain cells
• cerebrumBrain's largest division
• cortexOrgan's external tissue
• white matterPale neural fiber tissue

grey matter · axon · synapse · skull · cranium · brain tissue · neural · cognitive function