Amnesia is typically the worst for events more recently before the injury event.

Graded amnesia

After a severe concussion, the former NFL player became one of the most extreme cases of retrograde amnesia. After the injury, Scott was unable to remember 46 years of his life.

Scott Bolzan

The concept of retrograde amnesia has been a recurring theme in cinema for over a century. Hollywood has frequently used the amnesia plot in various genres, from early films like 'Garden of Lies' (1915) to contemporary action thrillers such as the Jason Bourne series, illustrating a cultural fascination with the dramatic potential of sudden memory loss.

Retrograde Amnesia in Popular Culture

Based on the patient's symptoms described in the scenario, identify the specific form of memory loss they are most likely experiencing and justify your answer by referencing the key details from the case.

Clinical Scenario: Memory Impairment

Retrograde amnesia is a condition characterized by the loss of memories for events that took place before a traumatic incident. Individuals with this type of amnesia may be unable to recall parts of their past or, in some cases, their entire life history. This memory impairment particularly affects episodic memories, which are recollections of personal experiences.

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* Anterograde amnesia
* Retrograde amnesia

Types of Amnesia

Goldstein, E. B. (2014). Cognitive psychology: Connecting mind, research and everyday experience. Nelson Education.


Cognitive psychology: Connecting mind, research and everyday experience

Spielman, R. M., Jenkins, W. J., & Lovett, M. D. (2020, April 22). Psychology (2nd ed.). OpenStax. https://openstax.org/books/psychology-2e/pages/1-introduction

OpenStax Psychology (2nd ed.) Textbook

Retrograde Amnesia

Anterograde amnesia is the inability to form new long-term memories following an event like brain trauma, while memories from before the injury remain intact. This condition, often linked to hippocampal damage, disrupts the consolidation of information from short-term to long-term memory. A key characteristic of this amnesia is the differential impact on memory systems: individuals are typically unable to form new episodic (events) or semantic (facts) memories, but they often retain the ability to form new procedural memories (skills).

Anterograde Amnesia

The primary distinction between anterograde and retrograde amnesia lies in the timeline of memory loss relative to a specific causal event. Retrograde amnesia involves the loss of memories from the past, specifically those formed before the event. In contrast, anterograde amnesia is the inability to form new memories moving forward into the present, or after the event has occurred. This relationship can be visualized as a single-line flow diagram with the event at the center, where an arrow for retrograde amnesia extends backward into the past and an arrow for anterograde amnesia extends forward into the present.

Comparison of Anterograde and Retrograde Amnesia

Given the following case study, identify the specific type of memory loss the patient is most likely experiencing and explain your reasoning.

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