Lewin, Vivienne

• Introduction -- Conference -- When two become four: A two-year observation of dizygotic twin infant girls in their family setting -- Tsunami Boy -- The influence of conjoined twins on each other -- Twinship: a unique sibling relationship -- Conference 2 -- Siblings in development: towards a metapsychology -- Sibling incest -- Conference 3 -- Developing a sense of identity as an individual -- Taking account of siblings—a view from child psychotherapy -- Conference 4 -- Twin development: Professor Alessandra Piontelli

Lewin, Vivienne

• Introduction -- Conference -- When two become four: A two-year observation of dizygotic twin infant girls in their family setting -- Tsunami Boy -- The influence of conjoined twins on each other -- Twinship: a unique sibling relationship -- Conference 2 -- Siblings in development: towards a metapsychology -- Sibling incest -- Conference 3 -- Developing a sense of identity as an individual -- Taking account of siblings—a view from child psychotherapy -- Conference 4 -- Twin development: Professor Alessandra Piontelli

Lewin, Vivienne

• Introduction -- Conference -- When two become four: A two-year observation of dizygotic twin infant girls in their family setting -- Tsunami Boy -- The influence of conjoined twins on each other -- Twinship: a unique sibling relationship -- Conference 2 -- Siblings in development: towards a metapsychology -- Sibling incest -- Conference 3 -- Developing a sense of identity as an individual -- Taking account of siblings—a view from child psychotherapy -- Conference 4 -- Twin development: Professor Alessandra Piontelli