2021 / 06

DOI: 10.24075/brsmu.2021.069

ORIGINAL RESEARCH

Consolidation and reconsolidation of visual and semantic memory in Parkinson’s disease

Nikishina VB1, Petrash EA1, Kuznetsova AA2, Shuteeva TV2, Zakharova IA1
About authors

1 Pirogov Russian National Research Medical University, Moscow, Russia

2 Kursk State Medical University, Kursk, Russia

Correspondence should be addressed: Ekaterina A. Petrash
Ostrovityanova, 1, Moscow, 117997, Russia; ur.liam@hsartep

About paper

Author contributions: Nikishina VB — study concept; interpretation and summarization of the obtained empirical data; Petrash EA– study concept; processing, interpretation and summarization of the obtained empirical data; Kuznetsova AA — interpretation and summarization of the obtained empirical data; Shuteeva TV — implementation of the experiment, collection of primary empirical data; Zakharova IA — implementation of the experiment, collection of primary empirical data.

Compliance with ethical standards: the study complied with the legislation on public health protection; informed consent was obtained from all study participants (Protocol of the Ethics Committee No. 207 dated April 19, 2021).

Received: 2021-12-02 Accepted: 2021-12-20 Published online: 2021-12-31
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Fig. 1. Schematic representation of consolidation and reconsolidation of visual and semantic information
Fig. 2. A stimulus drawing selected for the study of implicit memory
Fig. 3. Auditory verbal and visual memory curves for patients with different forms of PD
Fig. 4. Characteristics of the reproduced semantic units in patients with different forms of PD
Fig. 5. Drawings made by the patients with different PD forms in the immediate recall test and after a 40-minute, 4-hour and 36-hour delay
Fig. 6. Schematic representation of the significance of differences in the number of reproduced semantic units by patients with PD grouped by the form of the disease