stimdatabases - Methods

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Databases for Stimulus Selection, Evaluation and Other Tools

This page provides links to databases or other web-sites which may be useful for the selection, evaluation or manipulation of stimulus material. There is information on


PsychWiki Archive (useful links to norms, stimuli, data etc.)

Overview of Published Norms (From "Behavior Research Methods, Instruments, & Computers" - up to 1999)

Searchable Archive of the Psychonomic Society (description)

"Mix and Match" Software (for stimulus matching and pseudorandomising)

MGH OptSeq (Randomization tool for event-related fMRI designs)

fmripower (matlab based power calculation tool for group fMRI studies)

The R Project for Statistical Computing

R Seek Search engine for R-related issues


BrainMap Project, for standardization, sharing, and meta-analysis of neuroimaging data (see reference list for more resources)

J├╝lich Brain Model, three-dimensional, realistic model of the human brain

CoCoMac Database, Collations of Connectivity data on the Macaque brain

Neuroanatomy Tutorial (some more links at bottom)

Brain Atlas (simple and interactive)

Language, Word Recognition

There are more links to language-related databases on the Language Group Wiki

Linguistic Data Consortium (a collection of databases etc., see e.g. their Catalog page).

CELEX Psycholinguistic Database (orthographic, phonetic and lexical information on English/German/Dutch words)

McWord : An Orthographic Wordform Database (web site that provides simple ways to extract information from CELEX. Also allows you to generate nonwords with specifiable degrees of approximation to English orthography)

MRC Psycholinguistic Database, (orth/phon/lex information on English words, plus imageability ratings; direct access to search engine [ here)

SUBTLEXus: word frequencies based on American English (movie subtitles)

ARC Nonword Database

Wuggy (a multi-lingual pseudoword generator)

Bristol Norms (Age-of-acquisition, imageability and familiarity)

English Lexicon Project (orth/phon/lex information on English words, plus Lexical Decision and Reading Latencies, HAL Frequencies etc.)

British National Corpus (English words and phrases)

Wordsmith (anagrams, dictionary etc.)

Princeton WordNet (Conceptual-semantic networks)

Edinburgh Word Association Thesaurus (empirical semantic word association data)

Sentence Cloze Probability Norms (for 498 sentences)

Latent Semantic Analysis (for analysing and comparing texts and documents; more here)

Affective Norms for English Words

Affective Norms for English Text

Berlin Affective Word List Affective norms for German words

dlexDB Project German lexical database

Google Word Frequencies Frequencies for sets of ngrams (1 to 5 words) within Google books (over time)

Frequencies of word n-grams (from LDC catalog, see above)

University of Florida Free Association Norms Free word association norms (XML version)

Aralex A lexical database for Modern Standard Arabic

Pictures and Objects

Snodgrass&Vanderwart Original, and Snodgrass&Vanderwart revisited (visual, semantic and phonological information on line drawings)

The International Picture Naming Project (norms for picture naming in 7 different languages, plus some norms for reading and repetition)

HMAX HMAX model of object recognition by the Riesenhuber lab

McRae's Semantic Feature Norms (norms for living and nonliving basic-level concepts, see Paper)

Face Recognition (collection of databases)

Images and 3D Objects

Emotion Research

International Affective Picture System (IAPS) (normative ratings of emotion (pleasure, arousal, dominance) for a set of color photographs (objects and scenes))

International Affective Digital Sounds (IADS)

Affective Norms for English Words (ANEW)

Affective Norms for English Text (ANET)

Speech, Sounds and Noises

What they can do with sounds at CNBH (e.g. musical rain)

Noise-Vocoded Speech (look at bottom for how to do it yourself)

Praat Software (for analysing and manipulating speech sounds)

STRAIGHT (speech manipulation tool)

Reaction Time Distributions

Ex-Gaussian in Matlab

Diffusion Model Analysis Toolbox (DMAT, in Matlab; look here for internal intro)

Matlab Tools

Presentation about Optimising Matlab Code by Rob Young (look for more links inside)