--- title: "You Don't Need to Lose Consciousness for a TBI" description: "Loss of consciousness is only one of several diagnostic factors. Amnesia, altered mental state, neurological deficits, and intracranial lesions also matter." lang: en json-ld: | [ { "@context": "https://schema.org", "@type": "LegalService", "@id": "https://bikebrainlaw.com/#organization", "name": "Colorado Brain Injury & Bike Crash Attorneys | Bike Brain Law", "description": "Colorado brain injury and cycling accident attorneys serving Denver, Boulder, Fort Collins and statewide. Specialized TBI representation. Free consultation. Call 303.831.1116.", "url": "https://bikebrainlaw.com", "image": "https://bikebrainlaw.com/og-image.png" }, { "@context": "https://schema.org", "@type": "BlogPosting", "@id": "https://bikebrainlaw.com/blog/you-dont-need-loss-of-consciousness-for-tbi#blogposting", "isPartOf": { "@type": "Blog", "@id": "https://bikebrainlaw.com/blog#blog", "name": "Bike Brain Law Blog" }, "mainEntityOfPage": { "@type": "WebPage", "@id": "https://bikebrainlaw.com/blog/you-dont-need-loss-of-consciousness-for-tbi" }, "url": "https://bikebrainlaw.com/blog/you-dont-need-loss-of-consciousness-for-tbi", "headline": "You Don't Need to Lose Consciousness to Suffer a Traumatic Brain Injury", "name": "You Don't Need to Lose Consciousness to Suffer a Traumatic Brain Injury", "description": "Loss of consciousness is only one of several diagnostic factors. Amnesia, altered mental state, neurological deficits, and intracranial lesions also matter.", "image": { "@type": "ImageObject", "@id": "https://bikebrainlaw.com/blog/you-dont-need-loss-of-consciousness-for-tbi#primaryimage", "url": "https://bikebrainlaw.com/images/content/img_0678-aerial-lookout-1-.jpg", "contentUrl": "https://bikebrainlaw.com/images/content/img_0678-aerial-lookout-1-.jpg", "caption": "Aerial view of a winding mountain road in Colorado", "description": "Aerial view of a winding mountain road in Colorado", "representativeOfPage": true }, "primaryImageOfPage": { "@type": "ImageObject", "@id": "https://bikebrainlaw.com/blog/you-dont-need-loss-of-consciousness-for-tbi#primaryimage", "url": "https://bikebrainlaw.com/images/content/img_0678-aerial-lookout-1-.jpg", "contentUrl": "https://bikebrainlaw.com/images/content/img_0678-aerial-lookout-1-.jpg", "caption": "Aerial view of a winding mountain road in Colorado", "description": "Aerial view of a winding mountain road in Colorado", "representativeOfPage": true }, "thumbnailUrl": "https://bikebrainlaw.com/images/content/img_0678-aerial-lookout-1-.jpg", "datePublished": "2025-12-14T15:00:00.000Z", "dateModified": "2025-12-14T15:00:00.000Z", "inLanguage": "en-US", "articleSection": "Brain Injury", "keywords": "Brain Injury, Colorado, personal injury, TBI, cycling accident", "timeRequired": "PT1M", "articleBody": "A traumatic brain injury may or may not involve loss of consciousness. Loss of consciousness is only one of several factors that may be used to diagnose a TBI. Other factors include: Decreased level of consciousness. Loss of memory immediately before or after the injury, i.e. amnesia. Alteration in mental state, e.g. confusion, disorientation, slowed thinking. Neurological deficits, e.g. weakness, loss of balance, change in vision. Intracranial lesion, e.g. brain bleed, intracranial abnormality, skull fracture. Even if you did not blackout, get knocked out, or see stars, you may have still suffered a TBI or concussion. Often loss of consciousness can be too brief to notice or the person who gets knocked out didn't even know it despite being out for a long period of time. This is why it is important to see a medical professional even if you don't think or know if you lost consciousness.", "commentCount": 0, "additionalProperty": [ { "@type": "PropertyValue", "name": "readingTime", "value": "1 min read", "unitText": "minutes", "unitCode": "MIN" }, { "@type": "PropertyValue", "name": "wordCount", "unitText": "words" }, { "@type": "PropertyValue", "name": "characterCount", "value": 898, "unitText": "characters" }, { "@type": "PropertyValue", "name": "headingCount", "value": 0 }, { "@type": "PropertyValue", "name": "paragraphCount", "value": 7 }, { "@type": "PropertyValue", "name": "listCount", "value": 1 } ], "author": { "@type": "Person", "@id": "https://bikebrainlaw.com/#dan-dangelo", "name": "Attorney Dan D'Angelo", "jobTitle": "Trial Lawyer · Brain Injury Advocate · Avid Cyclist", "description": "Attorney Dan D'Angelo founded D'Angelo Law Office, P.C. in 2009 and Bike Brain Law to focus exclusively on traumatic brain injury and cycling injury cases in Colorado. An avid cyclist himself, Dan combines deep TBI science knowledge with hands-on cycling experience to build winning cases against insurance companies and corporations that put profits over safety.", "image": { "@type": "ImageObject", "url": "https://bikebrainlaw.com/images/content/20231015_dangelo_dan_square_076.jpg", "contentUrl": "https://bikebrainlaw.com/images/content/20231015_dangelo_dan_square_076.jpg", "caption": "Attorney Dan D'Angelo" }, "url": "https://bikebrainlaw.com/#about", "worksFor": { "@id": "https://bikebrainlaw.com/#organization" } }, "publisher": { "@id": "https://bikebrainlaw.com/#organization" } }, { "@context": "https://schema.org", "@type": "BreadcrumbList", "itemListElement": [ { "@type": "ListItem", "position": 1, "name": "Home", "item": "https://bikebrainlaw.com" }, { "@type": "ListItem", "position": 2, "name": "Blog", "item": "https://bikebrainlaw.com/blog" }, { "@type": "ListItem", "position": 3, "name": "You Don't Need to Lose Consciousness to Suffer a Traumatic B", "item": "https://bikebrainlaw.com/blog/you-dont-need-loss-of-consciousness-for-tbi" } ] } ] --- [![Bike Brain Law](/assets/logo-white-CuISKEAM.webp)](/)[303.831.1116](tel:3038311116) Practice Areas Practice Areas - [Brain Injury Focused brain injury representation backed by science, trial experience, and real results. ](/practice-areas/traumatic-brain-injury) - [Cycling Accidents An avid cyclist who fights for injured riders across Colorado. ](/practice-areas/cycling-accidents) - [Bicycle Product Liability Holding manufacturers accountable when defective bike parts cause injuries. ](/practice-areas/bicycle-product-liability) Resources - [Insights & Guides ](/blog) - [Case Results ](/results) - Our Process - FAQs Service Areas - [Denver](/service-areas/denver) - [Boulder](/service-areas/boulder) - [Fort Collins](/service-areas/fort-collins) - [Golden](/service-areas/golden) - [Colorado Springs](/service-areas/colorado-springs) - [Aurora](/service-areas/aurora) Featured [ ![Attorney Dan D'Angelo](/assets/dan-dangelo-headshot-DJ4GY3yR.jpg) Meet Attorney Dan D'Angelo Trial lawyer, trusted brain injury advocate, avid cyclist. Learn more ](/) Free consultation · No fee unless we win. Talk to Dan AboutTestimonials[Results](/results)FAQsContact[Insights & Guides](/blog)Free Consultation [](tel:3038311116) [All articles](/blog) [Brain Injury](/blog/brain-injury)· December 14, 2025· 1 min read # You Don't Need to Lose Consciousness to Suffer a Traumatic Brain Injury Loss of consciousness is only one of several diagnostic factors. Amnesia, altered mental state, neurological deficits, and intracranial lesions also matter. ![Dan D'Angelo](/images/content/20231015_dangelo_dan_square_076.jpg) By Attorney Dan D'Angelo Trial Lawyer · Brain Injury Advocate · Avid Cyclist ![Aerial view of a winding mountain road in Colorado](/images/content/img_0678-aerial-lookout-1-.jpg) A traumatic brain injury may or may not involve loss of consciousness. Loss of consciousness is only one of several factors that may be used to diagnose a TBI. Other factors include: - Decreased level of consciousness. - Loss of memory immediately before or after the injury, _i.e._ amnesia. - Alteration in mental state, e.g. confusion, disorientation, slowed thinking. - Neurological deficits, e.g. weakness, loss of balance, change in vision. - Intracranial lesion, e.g. brain bleed, intracranial abnormality, skull fracture. Related from Bike Brain Law - [Traumatic Brain Injury Claims How we build winning TBI cases against insurers. ](/#practice-areas) - [TBI & Injury FAQs Answers to the questions brain injury victims ask most. ](/#faqs) - [Our Case Process What to expect from consultation to settlement. ](/#process) Free, confidential case review ### Injured in a brain injury or serious accident in Colorado? Talk directly with Attorney Dan D'Angelo for a free consultation with zero obligation to find out where you stand. [Get My Free Consultation](/#contact) [303.831.1116](tel:3038311116) Even if you did not blackout, get knocked out, or see stars, you may have still suffered a TBI or concussion. Often loss of consciousness can be too brief to notice or the person who gets knocked out didn't even know it despite being out for a long period of time. This is why it is important to see a medical professional even if you don't think or know if you lost consciousness. ## Have a question about your case? Attorney Dan D'Angelo offers free consultations for brain injury and cycling accident victims throughout Colorado. [Free Consultation](/#contact) [303.831.1116](tel:3038311116) ![Dan D'Angelo](/images/content/20231015_dangelo_dan_square_076.jpg) About the Author ### Attorney Dan D'Angelo Trial Lawyer · Brain Injury Advocate · Avid Cyclist Attorney Dan D'Angelo founded D'Angelo Law Office, P.C. in 2009 and Bike Brain Law to focus exclusively on traumatic brain injury and cycling injury cases in Colorado. An avid cyclist himself, Dan combines deep TBI science knowledge with hands-on cycling experience to build winning cases against insurance companies and corporations that put profits over safety. - Practicing Colorado personal injury attorney since 2009 - Focused practice in TBI and bicycle injury litigation - Multi-million dollar settlements and verdicts for injury victims - Avid road and commuter cyclist ## Related articles [ ![Brain imaging scans on a medical lightbox](/images/content/img_7090.jpg) #### Can a Denver Attorney Take My Traumatic Brain Injury Case to Trial? ](/blog/can-a-denver-attorney-take-my-tbi-case-to-trial)[ ![Racks of bicycles at a train station](https://odfyhkstsknriaebnttc.supabase.co/storage/v1/object/sign/blog-images/4aa19bbd-3cb5-4c36-a7ac-e40bf22d19ed.jpeg?token=eyJraWQiOiJzdG9yYWdlLXVybC1zaWduaW5nLWtleV81NTc3MTNiMy1mM2NiLTRjZmEtYmM3Yi0wYmQ0NmVmZjE3ZjIiLCJhbGciOiJIUzI1NiJ9.eyJ1cmwiOiJibG9nLWltYWdlcy80YWExOWJiZC0zY2I1LTRjMzYtYTdhYy1lNDBiZjIyZDE5ZWQuanBlZyIsInNjb3BlIjoiZG93bmxvYWQiLCJpYXQiOjE3ODUzNDY3NTksImV4cCI6MjEwMDcwNjc1OX0.xJyXEWuIgBqj1qmDqQQdai23W09gRBBqooyEtV3uisw) #### Why loss of consciousness is difficult to spot and why it's so important to your legal case. ](/blog/why-loss-of-consciousness-is-difficult-to-spot-and-how-to-identify-it)[ ![Treelined path with cyclist posing at the end](https://odfyhkstsknriaebnttc.supabase.co/storage/v1/object/sign/blog-images/55e622d3-709b-4210-a141-ac41b5765070.jpg?token=eyJraWQiOiJzdG9yYWdlLXVybC1zaWduaW5nLWtleV81NTc3MTNiMy1mM2NiLTRjZmEtYmM3Yi0wYmQ0NmVmZjE3ZjIiLCJhbGciOiJIUzI1NiJ9.eyJ1cmwiOiJibG9nLWltYWdlcy81NWU2MjJkMy03MDliLTQyMTAtYTE0MS1hYzQxYjU3NjUwNzAuanBnIiwic2NvcGUiOiJkb3dubG9hZCIsImlhdCI6MTc4NTM1MDA4MiwiZXhwIjoyMTAwNzEwMDgyfQ.y_WQrz9NT3BkAoSyOlpdMw9IrxR3LDOQRK0TKozc9dA) #### How long do brain injury symptoms last? ](/blog/how-long-do-brain-injury-symptoms-last) [![Bike Brain Law](/assets/logo-white-CuISKEAM.webp)](/) Colorado's dedicated brain injury and cycling accident attorney. 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