Neural Overlap in Item Representations Across Episodes Impairs Context Memory

Behavioral data
Column information:
Onset
Duration
Block
Trial: Trial (within a block)
Task: task (1:artist, 2:function; task info. of the learning phase for the item repetition and source memory test phases)
Stim cat: Stimulus category (1:natural, 2:manmade)
Repetition: Repetition (1: repeated, 2: once)
Reaction_time: Reaction time (in sec)
Response
Accuracy: Accuracy (1: correct, 0: incorrect in the source test phase; NaN for the other phases)
Confidence_lvl: Confidence level (1: highly unsure, 4: highly sure in the source test phase; n/a for the other phases)
RT_confidence: RT of confidence report (n/a for the non-test phases)

Stimulus presentation time
Phase 1 (encoding phase): 1s
Phase 2 (item repetition phase): 1s
Phase 3 (source memory test phase): 6s