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Semantic relatedness can impair memory for item locations

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Abstract

While memory for semantically related items is improved over unrelated items in many cases, relatedness can also lead to memory costs. Here we examined how the semantic relatedness of words within a display influenced memory for their locations. Participants learned the locations of words inside grid displays; the words in a given display were either from a single category or were from different assorted categories. When a display containing words from a single category was compared to a scrambled display containing words from multiple categories, location memory performance was rendered worse, while word recall performance was significantly improved. Our results suggest that semantically structured spaces can both help and harm memory within the context of a location memory task. We hypothesize that relatedness can improve memory performance by increasing the likelihood that matching candidates will be retrieved, yet might worsen performance that requires distinguishing between similar target representations.

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Data availability

The data and R scripts for these experiments have been made available on a third-party archive (https://osf.io/8xf6a/).

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Acknowledgements

We would like to acknowledge and thank Jocelyn Cheng and Aisling Sampson for their assistance in stimuli preparation and data coding.

Funding

This work was supported by a Discovery Grant (#04091) from the Natural Sciences and Engineering Research Council of Canada (NSERC), an Early Researcher Award from the Province of Ontario (#ER14-10-258), funding from the Canada Foundation for Innovation and Ontario Research Fund (#37872) and from the Canada Research Chairs (#950-232147) program to E.F.R, and Alexander Graham Bell Canada Graduate Scholarships from the NSERC to X.L. and M.J.H.Z.

Author information

Authors and Affiliations

Authors

Contributions

X.L. wrote the main manuscript text, analyzed data and prepared figures. M.J.H.Z. analyzed data and prepared figures. All authors edited and reviewed the manuscript.

Corresponding author

Correspondence to Xinyi Lu.

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Conflict of interest

The authors declare that they have no conflict of interest.

Ethics approval

The research protocols in this study were approved by the University of Waterloo Research Ethics Board (#42214).

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All participants gave written informed consent.

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Appendices

Appendix

Word lists used as stimuli.

Experiments 1a and 1b

wearable

tools

toiletries

office

kitchen

instruments

sneakers

cutters

hairbrush

eraser

spatula

saxophone

necklace

pliers

deodorant

binder

muffin

banjo

sweater

screwdriver

toothpaste

clipboard

kettle

clarinet

sunglasses

scissors

lotion

ruler

sponge

harp

socks

wrench

floss

pencil

mug

violin

gloves

axe

comb

calculator

toaster

flute

jeans

drill

razor

notebook

spoon

trumpet

shorts

hammer

towel

envelope

tray

drum

shirt

pocketknife

mouthwash

folder

whisk

piano

belt

bolt

soap

printer

pan

bass

Experiment 2

animal

building

carpentry

clothing

bear

apartment

chisel

hat

cat

cabin

drill

jacket

cow

condo

hammer

pants

deer

dorm

nail

shirt

dog

house

ruler

shoes

elephant

hut

sander

shorts

horse

mansion

saw

skirt

lion

shack

screw

socks

pig

tent

screwdriver

sweater

tiger

trailer

wrench

underwear

fruit

reading

furniture

kitchen

apple

article

bed

bowl

banana

book

chair

fork

grape

journal

couch

knife

kiwi

letter

desk

ladle

orange

magazine

dresser

pan

peach

newspaper

lamp

plate

pear

novel

loveseat

pot

pineapple

pamphlet

sofa

spatula

strawberry

textbook

stool

spoon

watermelon

website

table

whisk

time

flavoring

relative

century

butter

aunt

day

garlic

brother

decade

ketchup

cousin

hour

mustard

father

millisecond

onions

grandfather

minute

pepper

grandmother

month

salt

mother

second

spices

niece

week

sugar

sister

year

vanilla

uncle

Experiment 3

wearables

tools

toiletries

office

sneakers

cutters

hairbrush

eraser

necklace

pliers

deodorant

binder

sweater

screwdriver

toothpaste

clipboard

sunglasses

scissors

lotion

ruler

socks

wrench

floss

pencil

gloves

axe

comb

calculator

jeans

drill

razor

notebook

shorts

hammer

towel

envelope

shirt

pocketknife

mouthwash

folder

belt

bolt

soap

printer

kitchen

instruments

toys

sports

spatula

saxophone

chessboard

basketball

plate

banjo

dice

bicycle

kettle

clarinet

doll

frisbee

tongs

harp

kite

helmet

mug

violin

puzzle

jumprope

toaster

flute

scrabble

shuttlecock

spoon

trumpet

slinky

skateboard

tray

drum

uno

skis

whisk

piano

lego

trampoline

pan

bass

checkers

volleyball

furniture

pantry

cleaning

table

pasta

mop

couch

rice

vacuum

lamp

milk

detergent

nightstand

sugar

rag

shelf

flour

duster

cabinet

bread

disinfectant

sofa

cereal

dustpan

stool

salt

broom

carpet

pepper

bleach

armchair

chips

sponge

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Lu, X., Zhu, M.J.H. & Risko, E.F. Semantic relatedness can impair memory for item locations. Psychological Research 88, 861–879 (2024). https://doi.org/10.1007/s00426-023-01889-7

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  • DOI: https://doi.org/10.1007/s00426-023-01889-7

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