Definition of aphantasia in English:

aphantasia

nounˌeɪfanˈteɪzɪəˌeɪˌfænˈteɪziə

mass nounMedicine

The inability to form mental images of objects that are not present.
if counting sheep is an abstract concept, or you are unable to visualize the faces of loved ones, you could have aphantasia

Early 21st century: from a- ‘without, not’ + Greek phantasia ‘imagination, appearance’.

nounˌāˌfanˈtāzēəˌeɪˌfænˈteɪziə

Medicine

The inability to form mental images of objects that are not present.
if counting sheep is an abstract concept, or you are unable to visualize the faces of loved ones, you could have aphantasia

Early 21st century: from a- ‘without, not’ + Greek phantasia ‘imagination, appearance’.

词汇	aphantasia
释义	Definition of aphantasia in English: aphantasia nounˌeɪfanˈteɪzɪəˌeɪˌfænˈteɪziə mass nounMedicine The inability to form mental images of objects that are not present. if counting sheep is an abstract concept, or you are unable to visualize the faces of loved ones, you could have aphantasia Origin Early 21st century: from a- ‘without, not’ + Greek phantasia ‘imagination, appearance’. Definition of aphantasia in US English: aphantasia nounˌāˌfanˈtāzēəˌeɪˌfænˈteɪziə Medicine The inability to form mental images of objects that are not present. if counting sheep is an abstract concept, or you are unable to visualize the faces of loved ones, you could have aphantasia Origin Early 21st century: from a- ‘without, not’ + Greek phantasia ‘imagination, appearance’.
随便看	macroërgate macruran macrurid macrurous macrurous macs macte Mactra mactroid macula macula densa maculae macula lutea macular macular macular degeneration macular sparing macula-sparing maculate maculated maculation maculation maculations maculature macule