Working Memory Model…read more

Central Episodic
Buffer (2000)
Executive
Visuo-Spacial
Phonological Loop
Sketchpad
Articulatory
Control System
Inner scribe
(articulatory loop)
Visual cache
Phonological
Store…read more

The Phonological Store is a brief store of
information (acoustic) ­ 1.5 to 2 sec.
The Articulatory Control Process is an
acoustic rehearsal of information to maintain
it in the phonological store ­ `inner voice'
This process is suggested by the results of the
`Word Length Effect' investigation ­ Baddeley
et al, 1975:
capacity determined by pronunciation time,
not number of items
Ellis and Hennelly(1986) cross-cultural study…read more

The visuo-spatial sketchpad is a
description of visual STM ­ `inner eye'
The sketchpad processes information as
if the person were looking at a real
object
The process is suggested by the results
of Shepherd's shape experiments
TASK
and the Kosslyn and Schwartz (boat)
investigation TASK (next slide)…read more

Kosslyn and Schwartz…read more

Involved in higher mental processes
(problem solving, decision making)
Allocates resources to separate sub-
systems (slave units)
Modality free ­ free of any particular
sensory source
Has a limited capacity…read more