Table 1.

Demographic details and background neuropsychological assessments for 1 (car expert) and 2 (plant expert)

		Maximum	Patient 1	Patient 2
Age			50	67
Years of education			11	19
Years since onset			2	5
Semantic	Picture naming	64	13*	5*
	Word-picture matching	64	32*	51*
	Camel and Cactus test: Pictures	64	32*	45*
	Camel and Cactus test: Words	64	27*	27*
	Synonym judgement	96	63*	63*
Non-semantic	Digit span	-	7	3
	PALPA Word repetition	80	78	55*
	PALPA Nonword repetition	30	29	14
	VOSP: Dot counting	10	10	10
	VOSP: Position discrimination	20	20	19
	VOSP: Number location	10	9	8
	VOSP: Cube analysis	10	10	8
	Rey figure copy	36	35	31*
	Coloured Progressive Matrices	36	33	29

^*denotes impaired performance. VOSP = Visual Object and Space Perception battery (Warrington & James, 1991). Non-verbal reasoning assessed using the Coloured Progressive Matrices test (Raven, 1962).