Study Notes on Repressed Memories and Memory Psychology

Sigmund Freud and Repressed Memories

  • Sigmund Freud studied repressed memories in psychology.

  • Suggested memories from traumatic events could be suppressed by the brain.

  • Conscious mind represents visible thoughts, while preconscious and unconscious mind store repressed memories.

  • Repressed memories can influence behavior and manifest through dreams or neuroses.

Psychoanalysis Techniques

  • Early psychoanalysis aimed to recover repressed memories via:

    • Dream interpretation

    • Free association

    • Analyzing Freudian slips (accidental word choices revealing suppressed thoughts).

Empirical Support for Memory Suppression

  • Modern research supports intentional forgetting via:

    • Directed forgetting paradigms showing worse recall for forgotten items.

    • fMRI studies indicating brain activity patterns during suppression processes.

  • Participants exhibit less hippocampus activation while increasing prefrontal cortex activation when suppressing memories.

PTSD and Memory Recall

  • PTSD relates to trauma and can lead to partial memory recall due to:

    • Memory avoidance

    • Dissociation

  • Delayed recall indicates the brain may protect against stress-related memories.

Memory Malleability and False Memories

  • False memories can form due to suggestion or misinformation in therapy or questioning.

  • Elizabeth Loftus's research illustrates how eyewitness testimony can be unreliable, with implanted memories affecting recollections.

Types of Memory

  • Hippocampus: Critical for episodic memory; damage leads to anterograde amnesia, where new memories can't form while older ones remain.

  • Temporal Lobes: Semantic memory associated with factual knowledge.

  • Cerebellum & Basal Ganglia: Implicit memory related to skills and habits (e.g., muscle memory).

Memory Encoding and Retrieval

  • Effective encoding enhances memory, including using self-reference effects wherein personal relevance boosts recall.

  • Emotionally charged events result in stronger memories (flashbulb memories).

Tests and Experiments

  • Contextual cues (e.g., environment and state) aid in memory retrieval.

  • The serial position effect shows better retention for information at the beginning (primacy) and end (recency) of lists.

Memory Reconstruction Errors

  • Memory as an inferential process means gaps can be filled incorrectly, leading to inaccuracies.

  • Critical examples include the reconstruction of memories based on suggestion, leading to differing beliefs about events that never occurred.

Implications for Therapy

  • The ethical implications of therapy practices can lead to the formation of false memories through suggestive questioning, raising questions about the validity of recovered memories in therapy.