Diseases with the autistic symptoms belong to a common group called autism spectrum disorders (ASD). The individuals with ASD have the difficulties with communication, behavior and social interactions. There are some genetic and environmental reasons of ASD. Environmental aspects comprise pre and postnatal factors. It is claimed that up to 40% of ASD's cases have environmental causes. The pesticides play a significant role in causing disturbances in homeostasis. There are synthetic or natural substances used to eliminate noxious or undesired organisms. They are widely used in horticulture and agriculture as plant protection products. Pesticides can exert influence on the nervous system. Depending on the structure, they have effect on GABA and glutamatergic neurotransmission. Changes in neurotransmission can cause cognitive dysfunctions, automatisms and memory deficits. This article is review about the potential role of pesticides in the development of ASD.
