#hemianopia — Public Fediverse posts

RE: https://mastodon.scot/@daisydaisy/117099913409242599

(GitHub) #MrFlashyBeepy - Instructions for building a device to ameliorate #hemianopia https://github.com/Watty-Git/mrflashybeepy

(YouTube) "Biohacking my vision loss with software and lasers" https://www.youtube.com/watch?v=dBOXvobZwJA #homonymous #hemianopia #blindness

Clinical trial: #Multisensory rehabilitation of vision loss after cortical damage https://clinicaltrials.gov/study/NCT07659691 "evaluate the functional recovery of vision in hemianopic (blindness in one hemifield) and quadrantanopic (blindness in one quadrant) patients"; #hemianopia #blindness

"There will be a "training phase" in which subjects will be exposed (and respond) to spatiotemporally congruent pairs of visual-auditory stimuli presented within their blinded field"; no mention of visual-to-auditory sensory substitution? https://www.seeingwithsound.com/webvoice/webvoice.htm?large&hemianopia

Right-sided #hemianopia simulation + The vOICe compensation through visual-to-auditory sensory substitution https://www.artificialvision.com/webvoice/webvoice.htm?large&hemianopiaR

Functional and structural adaptations following immersive audiovisual training in post-stroke #hemianopia: A study of behaviour, DTI, and FC https://www.sciencedirect.com/science/article/pii/S105381192500672X "Post-training FC [functional connectivity] increased between visual and auditory regions in the unaffected hemisphere."

Brain stimulation improves vision recovery after stroke https://actu.epfl.ch/news/brain-stimulation-improves-vision-recovery-after-s/ using #noninvasive cf-tACS to deliver "low-frequency alpha waves to the primary visual cortex and high-frequency gamma waves to the motion-sensitive area"; #hemianopia

Boosting hemianopia recovery: the power of interareal cross-frequency brain stimulation https://academic.oup.com/brain/advance-article/doi/10.1093/brain/awaf252/8322719?login=false

🧠 A team of scientists led by Friedhelm Hummel at the Neuro-X Institute have developed a therapy for stroke patients experiencing hemianopia, a condition that causes loss of half of their visual field.

This new treatement combines visual training with a multifocal, non-invasive brain stimulation approach to re-orchestrate brain communication and improve recovery.

Learn more: https://go.epfl.ch/170859

#EPFL #stroke #hemianopia

Thanks to @daisydaisy for telling #ohs2025 all about #MrFlashyBeepy, an open source gadget that uses Multisensory Training to ameliorate #Hemianopia (stroke induced vision loss) for around £50 in parts:

https://github.com/Watty-Git/mrflashybeepy/

Why not use The vOICe then? Pans audio from left to right *and* includes visual information of the blind hemifield: The vOICe web app simulating #hemianopia with preserved image-encoding soundscapes in the blind hemifield https://www.seeingwithsound.com/webvoice/webvoice.htm?hemianopiaR&large #BCI #NeuroTech #neuroscience

Cross-modal exposure restores multisensory enhancement after hemianopia (in an animal model) https://academic.oup.com/cercor/advance-article-abstract/doi/10.1093/cercor/bhad343/7276486 "Repeated stimulation of a visual–auditory stimulus restores overt responses to visual stimuli in the blinded hemifield" #hemianopia #crossmodal #multisensory #neuroscience

Oblique multi-periscopic #prism for #field expansion of #homonymous #hemianopia https://opg.optica.org/boe/fulltext.cfm?uri=boe-14-5-2352&id=530130

Innovative vision rehabilitation method for #hemianopsia: Comparing pre- and post #audio-luminous biofeedback training for ocular motility improving visual functions and quality of life https://www.frontiersin.org/articles/10.3389/fneur.2023.1151736/full "combination of #auditory #biofeedback and #visual #stimulation"; #hemianopia #multisensory

(2021) Case report: visual #rehabilitation in #hemianopia patients. Home-based visual rehabilitation in patients with hemianopia consecutive to brain tumor treatment: feasibility and potential effectiveness https://www.frontiersin.org/articles/10.3389/fneur.2021.680211/full "non-commercial #audiovisual stimulation program"

Ameliorating #hemianopia with #multisensory training https://www.jneurosci.org/content/early/2023/01/04/JNEUROSCI.0962-22.2022 "The patients were repeatedly exposed to congruent visual-auditory stimuli within their blinded #hemifield during two-hour sessions over several weeks. The results were dramatic."; use The vOICe for this? #neuroscience

Note that #The_vOICe web app includes options for simulating #hemianopia while conveying visual information in the blind #hemifield through visual-to-auditory sensory substitution https://www.seeingwithsound.com/webvoice/webvoice.htm?hemianopiaR&large #crossmodal #multisensory #neuroscience

(2022) Audio-visual stimulation for visual compensatory functions in stroke survivors with visual field defect: a systematic review https://link.springer.com/article/10.1007/s10072-022-05926-y by Kholoud Alwashmi et al.; "Systematic AV training may improve the processing of visual information by recruiting subcortical pathways"; poster PDF at https://ava2021meeting.files.wordpress.com/2021/03/alwashmi.pdf?force_download=true #hemianopia #multisensory #neuroscience

(2021) Association cortex is essential to reverse #hemianopia by #multisensory #training https://academic.oup.com/cercor/article/31/11/5015/6287334 "Hemianopia induced by unilateral visual cortex lesions can be resolved by repeatedly exposing the blinded hemifield to auditory-visual stimuli"

(thesis, 2019) Visual rehabilitation using the principles of multisensory integration https://wakespace.lib.wfu.edu/handle/10339/93992 Funny how they fail to mention (visual-to-auditory) sensory substitution, for fear of competition? You're welcome, here it is: https://www.seeingwithsound.com/webvoice/webvoice.htm?hemianopiaR&large #hemianopia #neuroscience

(2021) Reversing #hemianopia with cross-modal training https://grantome.com/grant/NIH/R01-EY026916-05 "non-invasive rehabilitative training paradigm (using auditory-visual cues) can permanently reinstate vision in animals rendered hemianopic" #neuroscience #blindness #crossmodal #multisensory

Rehabilitation of hemianopia following stroke with multisensory training https://www.abstractsonline.com/pp8/#!/10619/presentation/81637 using "visual-auditory stimulus pairs in the blinded hemifield using a custom apparatus"; "Within a few sessions, both patients regained the ability to detect, localize, and report on visual stimuli in their formerly blinded field".

BTW, The vOICe web app can simulate #hemianopia with preserved image-encoding soundscapes in the blind hemifield: try https://www.seeingwithsound.com/webvoice/webvoice.htm?hemianopiaR&large #neuroscience #SfN22