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- LaminectomyA laminectomy is a surgical procedure that removes a portion of a vertebra called the lami
- Large deformation diffeomorphic metric mappingSuite of algorithms
- Larry AbbottAmerican theoretical neuroscientist (born 1950)
- Larry KatzAmerican neuroscientist (1956–2005)
- Larry SwansonAmerican neuroscientist (born 1945)
- Lary WalkerAmerican neuroscientist
- Late positive componentThe late positive component or late positive complex (LPC) is a positive-going event-relat
- Lateral funiculusThe most lateral of the bundles of the anterior nerve roots is generally taken as a dividi
- Lateralized readiness potentialIn neuroscience, the lateralized readiness potential (LRP) is an event-related brain poten
- LatrotoxinGroup of neurotoxins in spider venom
- Laura S. BoylanAmerican neurologist
- Laurel H. CarneyAmerican engineer and scientist
- Lauren OreficeAmerican neuroscientist
- Lawrence B. SalkoffAmerican neuroscientist (born 1944)
- Leah KrubitzerAmerican neuroscientist
- Lean (drug)Recreational drug beverage
- Left–right confusionInability to differentiate left and right directions
- Legal status of psychedelic drugs in the United KingdomThis article concerns the legal status of psychedelic drugs in United Kingdom. The legalit
- Leiden Institute for Brain and CognitionThe Leiden Institute for Brain and Cognition or LIBC is an interfaculty center for interdi
- Leigh syndromeMetabolic disease
- Leroy LoweCanadian biologist (born 1963)
- Les Paradis artificiels1860 book by Charles Baudelaire
- Lesch–Nyhan syndromeRare genetic disorder
- Lesion network mappingLesion network mapping is a neuroimaging technique that analyzes the connectivity pattern
- Leslie B. VosshallAmerican neurobiologist
- Leslie M. KayAmerican neuroscientist
- Lesser palatine nerveThe lesser palatine nerves (posterior palatine nerve) are branches of the maxillary nerve
- LevoamphetamineCNS stimulant and isomer of amphetamine
- Lewis JuddAmerican neurobiologist and psychiatrist (1930–2018)
- Lezanne OoiAustralian neuroscientist and academic
- Li GanChinese-American neuroscientist
- Lieber Institute for Brain DevelopmentThe Lieber Institute for Brain Development (LIBD) is a nonprofit research center located i
- Liisa GaleaCanadian neuroscientist
- Liliana LubińskaPolish neuroscientist
- Lilliputian hallucinationHallucinations of small beings
- Lilly Research CentreMedical Research Centre in Surrey, England
- Lily JanTaiwanese-American neuroscientist (born 1947)
- Limbic encephalitisLimbic encephalitis is a form of encephalitis, a disease characterized by inflammation of
- Limbic-predominant age-related TDP-43 encephalopathyForm of dementia
- Lin TianBiochemist
- Linda ChangAmerican neurologist
- Linde Lee JacobsAmerican nurse and health advocate
- Linear-nonlinear-Poisson cascade modelThe linear-nonlinear-Poisson (LNP) cascade model is a simplified functional model of neura
- Lingual gyrusGyrus of the occipital lobe of the brain
- LipotropinLipotropin is the name for two hormones produced by the cleavage of pro-opiomelanocortin (
- Liqun LuoChinese-American neuroscientist (born 1966)
- Lisa BoulangerAmerican neuroscientist
- Lisa GenovaAmerican female literary fiction writer
- Lisa L. CunninghamAmerican scientist
- Lisa MosconiItalian American neuroscientist and author
- Lisa SaksidaCanadian neuroscientist
- Lisa WelanderSwedish neurologist
- Locomotor activityBehavioral measure in animals
- Long-term video-EEG monitoringLong-term or "continuous" video-electroencephalography (EEG) monitoring is a diagnostic te
- Loraine OblerAmerican neuroscientist
- Louis PtáčekAmerican neurologist and professor
- Louis SokoloffAmerican neuroscientist
- Louise EisenhardtLouise Eisenhardt (17 July 1891 – 22 January 1967) was one of the first neuropathologists
- Louise Parr-BrownlieNew Zealand neuroscientist
- Lucina UddinAmerican neuroscientist
- Ludwig Boltzmann Institute for Functional Brain TopographyThe Ludwig-Boltzmann-Institute for functional Brain Topography was a research institute fo
- Ludwig GuttmannGerman-Polish neurologist (1899–1980)
- Lumbricals of the footThe lumbricals are four small skeletal muscles, accessory to the tendons of the flexor dig
- Lutz JänckeGerman neuropsychologist

