Abstract：
:Mystery surrounds the cause of large individual differences in mental imagery vividness and strength, and how these might map onto mental disorders. Here, we report the concentration of sex hormones predicts the strength and vividness of visual mental imagery. We employed an objective measure of imagery utilizing binocular rivalry and a subjective questionnaire to assess imagery. The strength and vividness of imagery was greater for females in the mid luteal phase than both females in the late follicular phase and males. Further, imagery strength and vividness were significantly correlated with salivary progesterone concentration. For the same participants, performance on visual and verbal working memory tasks was not predicted by progesterone concentration. These results suggest sex hormones might influence visual imagery, but not general working memory. As hormone concentration changes over time, this implies a partial dynamic basis for individual differences in visual mental imagery, any dependent cognition and mental disorders.
journal_name
Biol Psycholjournal_title
Biological psychologyauthors
Wassell J,Rogers SL,Felmingam KL,Bryant RA,Pearson Jdoi
10.1016/j.biopsycho.2015.02.003subject
Has Abstractpub_date
2015-04-01 00:00:00pages
61-8eissn
0301-0511issn
1873-6246pii
S0301-0511(15)00043-5journal_volume
107pub_type
杂志文章abstract：:The aim of this study was to determine the relationship between motor skill and attentional reserve. Participants practiced a reaching task with the dominant upper extremity, to which a distortion of the visual feedback was applied, while a control group performed the same task without distortion. Event-related brain ...
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