Memory Systems
Encoding Strategies
Value
Working Memory & Processing
Retrieving Memories
Brain & Memory Disorders
100

Maria sees a sparkler wave in the dark and briefly “sees” a trail of light even after it disappears.

Iconic Memory

100

A student repeats vocabulary terms over and over to keep them in mind temporarily.

Maintenance Rehearsal (Shallow Processing)

100

You are driving, listening to music, and thinking about directions at the same time.

Parallel Processing

100

Maya is trying to remember her locker combo. She sees someone else spinning a lock, and suddenly the numbers come back.

Priming / Retrieval Cues

100

Someone has damage to the hippocampus and cannot form new long-term memories.

Anterograde Amnesia

200

A person hears someone talking, gets distracted, but still remembers the last few words a second later.

Echoic Memory

200

You remember your friend’s birthday because it’s the same day as your brother’s.

Elaborative Rehearsal (Deep Processing)

200

You imagine the layout of your bedroom when deciding where to put new furniture.

Visuospatial Sketchpad

200

Brandon walks into his old elementary school and suddenly remembers classmates and events from years ago.

Context-Dependent Memory

200

A witness’s memory changes after hearing misleading information about a car crash.

Misinformation Effect / Constructive Memory

300

You can only hold about 7 digits of a phone number just long enough to dial it.

Short-Term Memory Capacity (~7 items)

300

Someone memorizes information by forming a rhyme or jingle.

Acoustic Encoding / Mnemonic Device

300

You repeat a phone number in your head to prevent forgetting it.

Phonological Loop / Articulatory Rehearsal

300

Sofia studies while chewing cinnamon gum, and on test day she chews the same flavor and performs better.

State-Dependent Memory

300

(DAILY DOUBLE) Someone remembers where they were and every detail of the moment they heard shocking news.


Flashbulb Memory

400

(DAILY DOUBLE) Even after not swimming for years, someone jumps into the pool and instantly knows how to perform freestyle.

Procedural Memory (Implicit)

400

A student studies a little each day for two weeks and remembers far more than someone who crammed the night before.

Distributed Practice / Spacing Effect

400

The “boss” of working memory that directs attention, decision-making, and coordinates the loop and sketchpad.

Central Executive

400

Jack is in a bad mood and suddenly remembers every embarrassing or upsetting event he’s experienced.

Mood-Congruent Memory

400

A person remembers a fact but cannot remember where or how they learned it.

Source Amnesia