Memory trace decay theory can explain forgetting from sensory memory and short-term memory but does not adequately explain forgetting from long-term memory.

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Memory trace decay theory suggests that forgetting occurs over time due to the fading of memory traces or neural connections that represent a memory. This makes sense for forgetting from sensory memory and short-term memory, as these memories are believed to be temporary and have a limited capacity for storage. However, long-term memory is thought to have an almost unlimited capacity for storage and is capable of retaining memories for a lifetime. Therefore, memory trace decay theory cannot fully explain forgetting from long-term memory, as the memory traces or neural connections should remain intact unless they are disrupted by other factors such as interference or retrieval failure.

Memory Trace Decay Theory Can Explain Forgetting from Sensory Memory