The study explores age-related changes in complex memory, focusing on feature memory and binding. Complex memory requires not only memory for individual features (e.g., item, location, color) but also the ability to bind these features together. The research investigates whether age-related impairments in complex memory arise from deficits in feature memory, binding processes, or both. Young and older adults were tested on their memory for colored items in an array. Older adults showed a specific deficit in location memory but not in item or color memory. They also had poorer memory for bound information, especially when features were acquired intentionally. These findings suggest that older adults have impaired memory for location, which may contribute to their difficulties in context and source memory. Complex event memories involve multiple types of information, including semantic features, time, place, modality, speaker, and item parameters. Research indicates that older adults have impaired memory for these features. However, intact memory for individual features does not necessarily lead to intact complex memories, as binding is essential to integrate features into a coherent memory. The study found that older adults had impaired binding of features, particularly when information was acquired intentionally. This suggests that age-related changes in complex memory may result from deficits in both feature memory and binding processes. The study used recognition tests to assess memory for individual features and bound information. Older adults showed poorer performance in binding tasks, indicating a deficit in the cognitive processes that integrate features into complex memories. The results suggest that older adults have a specific and disproportionate deficit in location memory, which may contribute to their difficulties in remembering the source of information. However, their memory for item and color features was intact, indicating that the impairment is not general but specific to certain features. The study also examined whether older adults' memory for bound information was impaired due to a deficit in binding or in memory for the features themselves. The results indicated that older adults had a binding deficit, particularly when information was acquired intentionally. This suggests that the ability to bind features into complex memories is impaired with age, even when individual features are remembered accurately. The findings highlight the importance of both feature memory and binding processes in complex memory and suggest that age-related impairments in complex memory may arise from deficits in binding rather than feature memory alone.The study explores age-related changes in complex memory, focusing on feature memory and binding. Complex memory requires not only memory for individual features (e.g., item, location, color) but also the ability to bind these features together. The research investigates whether age-related impairments in complex memory arise from deficits in feature memory, binding processes, or both. Young and older adults were tested on their memory for colored items in an array. Older adults showed a specific deficit in location memory but not in item or color memory. They also had poorer memory for bound information, especially when features were acquired intentionally. These findings suggest that older adults have impaired memory for location, which may contribute to their difficulties in context and source memory. Complex event memories involve multiple types of information, including semantic features, time, place, modality, speaker, and item parameters. Research indicates that older adults have impaired memory for these features. However, intact memory for individual features does not necessarily lead to intact complex memories, as binding is essential to integrate features into a coherent memory. The study found that older adults had impaired binding of features, particularly when information was acquired intentionally. This suggests that age-related changes in complex memory may result from deficits in both feature memory and binding processes. The study used recognition tests to assess memory for individual features and bound information. Older adults showed poorer performance in binding tasks, indicating a deficit in the cognitive processes that integrate features into complex memories. The results suggest that older adults have a specific and disproportionate deficit in location memory, which may contribute to their difficulties in remembering the source of information. However, their memory for item and color features was intact, indicating that the impairment is not general but specific to certain features. The study also examined whether older adults' memory for bound information was impaired due to a deficit in binding or in memory for the features themselves. The results indicated that older adults had a binding deficit, particularly when information was acquired intentionally. This suggests that the ability to bind features into complex memories is impaired with age, even when individual features are remembered accurately. The findings highlight the importance of both feature memory and binding processes in complex memory and suggest that age-related impairments in complex memory may arise from deficits in binding rather than feature memory alone.