Alleviation of forgetting by a pretest exposure to background stimuli: Role of delay and duration of cueing

254 ALLEVIATION STIMULI:

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TO B A C K G R O U N D

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DURATION

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S.J.

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de P h y s i o l o g i e

physiologie, Division

SARA,

BY A P R E T E S T

value

255 REFERENCES

i. Spear, N.E.. The p r o c e s s i n g of memories: f o r g e t t i n g and retention, 1-553. L a w r e n c e E r l b a u m Associates, Hillsdale, New Jersey, 1 9 7 8

LEARNING

AND P O S T T R I A L

DICKINSON,

A. AND COLWILL,

The P s y c h o l o g i c a l

The

idea

extent

simple

the

relevant

during

experience

is shared

research

in this

beneficial

have

applied

muli

to the brain

affect

asked w h e t h e r

enhanced

its ability

memory this

task,

task

coloured ceding

the

a delayed choice

which

about

with

and

which

substrate

fact that

of

comparable

exteroceptive

stimuli

stimulation the neural

Furthermore,

of p o s t t r i a l

the

stimulation

by w h i c h

that p o s t t r i a l

were

we adopted

directly. enhances

such

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conditional

learning.

trained

colour

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illumination

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on a s h o r t - t e r m

discrimination.

of one of two s i m u l t a n e o u s l y

was

does

of the r e i n f o r c e r

associative

initially

processing

a new a p p r o a c h

the s h o r t - t e r m

the o c c u r e n c e

to support

of p i g e o n s

keylights

their

the

of the m e c h a n i s m s

such p r o c e s s i n g

of i n f o r m a t i o n

a group

stimulation

in learning.

learning,

a procedure

tention

end,

Traditionally,

on the d e l e t e r i o u s

acts by m o d u l a t i n g

to d e m o n s t r a t e

associate

by m a n i p u l a t i n g

learning

learning.

In an attempt in fact

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neural

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or not p o s t t r i a l

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of theories.

However,

of w h e t h e r

analysis

for example the

concentrated

now been d e m o n s t r a t e d

specifically

behavioural highlights

depends

the n e u r o p h y s i o l o g i c a l

directly.

directly

of C a m b r i d g e , ( E n g l a n d )

learning

immediately

of d e l i v e r i n g

the q u e s t i o n

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area has

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University

associative

and a reinforcer,

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R.M.

Laboratory,

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PROCESSING

if the r e t e n t i o n initiated

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presented interval

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