No, LSD has not been shown to cause neurotoxicity. MDMA showed neurotoxicity in labolatory animal but in exposure in human lvl not (dose make poison)

Neurotoxicity, risk of CNS adverse effects

Raymond M. Singer has written:

'Neurotoxicity guidebook' -- subject(s): Neurotoxicology

Jean Harry has written:

'Neurotoxicity risk assessment for human health' -- subject(s): Drug effects, Environmental Exposure, Environmental Pollutants, Environmental aspects, Environmental aspects of Neurotoxicology, Environmental toxicology, Etiology, Methods, Nervous system, Neurotoxicity Syndromes, Neurotoxicology, Risk assessment, Toxicity, Toxicology