Children with severe disabilities can develop learned helplessness, which makes them lose interest in their environment.
tʃˈɪldɹən wɪð sᵻvˈɪɹ dˌɪsɐbˈɪləɾiz kæn dɪvˈɛləp lˈɜːnd hˈɛlpləsnəs, wˌɪtʃ mˌeɪks ðˌɛm lˈuːz ˈɪntɹɛst ɪn ðɛɹ ɛnvˈaɪɹənmənt.